Friday, July 7, 2017

Running cluvfy (Cluster Verification Utility) during 12cR2 RAC installation


Following is the output of cluster verification utility that I executed during 12cR2 RAC installation. You can see 2 examples in the following. Example 1 demonstrated if you don’t have passwordless SSH connectivity configured for “grid” and “oracle” users, so you will need to execute this from each node one by one. Following output is from one node only.

Example 1
Change directory to the location where GI software was extracted, and invoke “runcluvfy.sh” script.
[grid@salman11 grid]$ ./runcluvfy.sh stage -pre crsinst -n salman11 -fixup -verbose

Verifying Physical Memory ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      3.6103GB (3785700.0KB)    8GB (8388608.0KB)         failed
Verifying Physical Memory ...FAILED (PRVF-7530)
Verifying Available Physical Memory ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      2.2215GB (2329424.0KB)    50MB (51200.0KB)          passed
Verifying Available Physical Memory ...PASSED
Verifying Swap Size ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      4GB (4194300.0KB)         3.6103GB (3785700.0KB)    passed
Verifying Swap Size ...PASSED
Verifying Free Space: salman11:/usr,salman11:/var,salman11:/etc,salman11:/sbin,salman11:/tmp ...
  Path              Node Name     Mount point   Available     Required      Status
  ----------------  ------------  ------------  ------------  ------------  ------------
  /usr              salman11      /             39.9765GB     25MB          passed
  /var              salman11      /             39.9765GB     5MB           passed
  /etc              salman11      /             39.9765GB     25MB          passed
  /sbin             salman11      /             39.9765GB     10MB          passed
  /tmp              salman11      /             39.9765GB     1GB           passed
Verifying Free Space: salman11:/usr,salman11:/var,salman11:/etc,salman11:/sbin,salman11:/tmp ...PASSED
Verifying User Existence: grid ...
  Node Name     Status                    Comment
  ------------  ------------------------  ------------------------
  salman11      passed                    exists(54322)

  Verifying Users With Same UID: 54322 ...PASSED
Verifying User Existence: grid ...PASSED
Verifying Group Existence: asmadmin ...
  Node Name     Status                    Comment
  ------------  ------------------------  ------------------------
  salman11      passed                    exists
Verifying Group Existence: asmadmin ...PASSED
Verifying Group Existence: asmdba ...
  Node Name     Status                    Comment
  ------------  ------------------------  ------------------------
  salman11      passed                    exists
Verifying Group Existence: asmdba ...PASSED
Verifying Group Existence: oinstall ...
  Node Name     Status                    Comment
  ------------  ------------------------  ------------------------
  salman11      passed                    exists
Verifying Group Existence: oinstall ...PASSED
Verifying Group Membership: asmdba ...
  Node Name         User Exists   Group Exists  User in Group  Status
  ----------------  ------------  ------------  ------------  ----------------
  salman11          yes           yes           yes           passed
Verifying Group Membership: asmdba ...PASSED
Verifying Group Membership: asmadmin ...
  Node Name         User Exists   Group Exists  User in Group  Status
  ----------------  ------------  ------------  ------------  ----------------
  salman11          yes           yes           yes           passed
Verifying Group Membership: asmadmin ...PASSED
Verifying Group Membership: oinstall(Primary) ...
  Node Name         User Exists   Group Exists  User in Group  Primary       Status
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          yes           yes           yes           yes           passed
Verifying Group Membership: oinstall(Primary) ...PASSED
Verifying Run Level ...
  Node Name     run level                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      5                         3,5                       passed
Verifying Run Level ...PASSED
Verifying Hard Limit: maximum open file descriptors ...
  Node Name         Type          Available     Required      Status
  ----------------  ------------  ------------  ------------  ----------------
  salman11          hard          65536         65536         passed
Verifying Hard Limit: maximum open file descriptors ...PASSED
Verifying Soft Limit: maximum open file descriptors ...
  Node Name         Type          Available     Required      Status
  ----------------  ------------  ------------  ------------  ----------------
  salman11          soft          65536         1024          passed
Verifying Soft Limit: maximum open file descriptors ...PASSED
Verifying Hard Limit: maximum user processes ...
  Node Name         Type          Available     Required      Status
  ----------------  ------------  ------------  ------------  ----------------
  salman11          hard          16384         16384         passed
Verifying Hard Limit: maximum user processes ...PASSED
Verifying Soft Limit: maximum user processes ...
  Node Name         Type          Available     Required      Status
  ----------------  ------------  ------------  ------------  ----------------
  salman11          soft          16384         2047          passed
Verifying Soft Limit: maximum user processes ...PASSED
Verifying Soft Limit: maximum stack size ...
  Node Name         Type          Available     Required      Status
  ----------------  ------------  ------------  ------------  ----------------
  salman11          soft          10240         10240         passed
Verifying Soft Limit: maximum stack size ...PASSED
Verifying Architecture ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      x86_64                    x86_64                    passed
Verifying Architecture ...PASSED
Verifying OS Kernel Version ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      3.8.13-35.3.1.el7uek.x86_64  3.8.13                    passed
Verifying OS Kernel Version ...PASSED
Verifying OS Kernel Parameter: semmsl ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          250           250           250           passed
Verifying OS Kernel Parameter: semmsl ...PASSED
Verifying OS Kernel Parameter: semmns ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          32000         32000         32000         passed
Verifying OS Kernel Parameter: semmns ...PASSED
Verifying OS Kernel Parameter: semopm ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          100           100           100           passed
Verifying OS Kernel Parameter: semopm ...PASSED
Verifying OS Kernel Parameter: semmni ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          128           128           128           passed
Verifying OS Kernel Parameter: semmni ...PASSED
Verifying OS Kernel Parameter: shmmax ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          4398046511104  4398046511104  1938278400    passed
Verifying OS Kernel Parameter: shmmax ...PASSED
Verifying OS Kernel Parameter: shmmni ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          4096          4096          4096          passed
Verifying OS Kernel Parameter: shmmni ...PASSED
Verifying OS Kernel Parameter: shmall ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          1073741824    1073741824    378570        passed
Verifying OS Kernel Parameter: shmall ...PASSED
Verifying OS Kernel Parameter: file-max ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          6815744       6815744       6815744       passed
Verifying OS Kernel Parameter: file-max ...PASSED
Verifying OS Kernel Parameter: ip_local_port_range ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          between 9000 & 65500  between 9000 & 65500  between 9000 & 65535  passed
Verifying OS Kernel Parameter: ip_local_port_range ...PASSED
Verifying OS Kernel Parameter: rmem_default ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          262144        262144        262144        passed
Verifying OS Kernel Parameter: rmem_default ...PASSED
Verifying OS Kernel Parameter: rmem_max ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          4194304       4194304       4194304       passed
Verifying OS Kernel Parameter: rmem_max ...PASSED
Verifying OS Kernel Parameter: wmem_default ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          262144        262144        262144        passed
Verifying OS Kernel Parameter: wmem_default ...PASSED
Verifying OS Kernel Parameter: wmem_max ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          1048576       1048576       1048576       passed
Verifying OS Kernel Parameter: wmem_max ...PASSED
Verifying OS Kernel Parameter: aio-max-nr ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          1048576       1048576       1048576       passed
Verifying OS Kernel Parameter: aio-max-nr ...PASSED
Verifying OS Kernel Parameter: panic_on_oops ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          1             1             1             passed
Verifying OS Kernel Parameter: panic_on_oops ...PASSED
Verifying Package: binutils-2.23.52.0.1 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      binutils-2.23.52.0.1-16.el7  binutils-2.23.52.0.1      passed
Verifying Package: binutils-2.23.52.0.1 ...PASSED
Verifying Package: compat-libcap1-1.10 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      compat-libcap1-1.10-7.el7  compat-libcap1-1.10       passed
Verifying Package: compat-libcap1-1.10 ...PASSED
Verifying Package: libgcc-4.8.2 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      libgcc(x86_64)-4.8.5-11.el7  libgcc(x86_64)-4.8.2      passed
Verifying Package: libgcc-4.8.2 (x86_64) ...PASSED
Verifying Package: libstdc++-4.8.2 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      libstdc++(x86_64)-4.8.2-16.el7  libstdc++(x86_64)-4.8.2   passed
Verifying Package: libstdc++-4.8.2 (x86_64) ...PASSED
Verifying Package: libstdc++-devel-4.8.2 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      libstdc++-devel(x86_64)-4.8.2-16.el7  libstdc++-devel(x86_64)-4.8.2  passed
Verifying Package: libstdc++-devel-4.8.2 (x86_64) ...PASSED
Verifying Package: sysstat-10.1.5 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      sysstat-10.1.5-4.el7      sysstat-10.1.5            passed
Verifying Package: sysstat-10.1.5 ...PASSED
Verifying Package: ksh ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      ksh                       ksh                       passed
Verifying Package: ksh ...PASSED
Verifying Package: make-3.82 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      make-3.82-21.el7          make-3.82                 passed
Verifying Package: make-3.82 ...PASSED
Verifying Package: glibc-2.17 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      glibc(x86_64)-2.17-157.el7_3.1  glibc(x86_64)-2.17        passed
Verifying Package: glibc-2.17 (x86_64) ...PASSED
Verifying Package: glibc-devel-2.17 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      glibc-devel(x86_64)-2.17-157.el7_3.1  glibc-devel(x86_64)-2.17  passed
Verifying Package: glibc-devel-2.17 (x86_64) ...PASSED
Verifying Package: libaio-0.3.109 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      libaio(x86_64)-0.3.109-13.el7  libaio(x86_64)-0.3.109    passed
Verifying Package: libaio-0.3.109 (x86_64) ...PASSED
Verifying Package: libaio-devel-0.3.109 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      libaio-devel(x86_64)-0.3.109-13.el7  libaio-devel(x86_64)-0.3.109  passed
Verifying Package: libaio-devel-0.3.109 (x86_64) ...PASSED
Verifying Package: nfs-utils-1.2.3-15 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      nfs-utils-1.3.0-0.el7     nfs-utils-1.2.3-15        passed
Verifying Package: nfs-utils-1.2.3-15 ...PASSED
Verifying Package: smartmontools-6.2-4 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      smartmontools-6.2-4.el7   smartmontools-6.2-4       passed
Verifying Package: smartmontools-6.2-4 ...PASSED
Verifying Package: net-tools-2.0-0.17 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      net-tools-2.0-0.17.20131004git.el7  net-tools-2.0-0.17        passed
Verifying Package: net-tools-2.0-0.17 ...PASSED
Verifying Port Availability for component "Oracle Notification Service (ONS)" ...
  Node Name         Port Number   Protocol      Available     Status
  ----------------  ------------  ------------  ------------  ----------------
  salman11          6200          TCP           yes           successful
  salman11          6100          TCP           yes           successful
Verifying Port Availability for component "Oracle Notification Service (ONS)" ...PASSED
Verifying Port Availability for component "Oracle Cluster Synchronization Services (CSSD)" ...
  Node Name         Port Number   Protocol      Available     Status
  ----------------  ------------  ------------  ------------  ----------------
  salman11          42424         TCP           yes           successful
Verifying Port Availability for component "Oracle Cluster Synchronization Services (CSSD)" ...PASSED
Verifying Users With Same UID: 0 ...PASSED
Verifying Current Group ID ...PASSED
Verifying Root user consistency ...
  Node Name                             Status
  ------------------------------------  ------------------------
  salman11                              passed
Verifying Root user consistency ...PASSED
Verifying Package: cvuqdisk-1.0.10-1 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman11      cvuqdisk-1.0.10-1         cvuqdisk-1.0.10-1         passed
Verifying Package: cvuqdisk-1.0.10-1 ...PASSED
Verifying Node Connectivity ...
  Verifying Hosts File ...
  Node Name                             Status
  ------------------------------------  ------------------------
  salman11                              passed
  Verifying Hosts File ...PASSED

Interface information for node "salman11"

 Name   IP Address      Subnet          Gateway         Def. Gateway    HW Address        MTU
 ------ --------------- --------------- --------------- --------------- ----------------- ------
 enp0s8 192.231.231.50  192.231.231.0   0.0.0.0         192.231.231.1   08:00:27:A4:2E:3B 1500
 enp0s9 10.10.10.10     10.10.10.0      0.0.0.0         192.231.231.1   08:00:27:AC:CD:5E 1500

Check: MTU consistency of the subnet "192.231.231.0".

  Node              Name          IP Address    Subnet        MTU
  ----------------  ------------  ------------  ------------  ----------------
  salman11          enp0s8        192.231.231.50  192.231.231.0  1500

Check: MTU consistency of the subnet "10.10.10.0".

  Node              Name          IP Address    Subnet        MTU
  ----------------  ------------  ------------  ------------  ----------------
  salman11          enp0s9        10.10.10.10   10.10.10.0    1500
  Verifying Check that maximum (MTU) size packet goes through subnet ...PASSED
Verifying Node Connectivity ...PASSED
Verifying Multicast check ...
Checking subnet "192.231.231.0" for multicast communication with multicast group "224.0.0.251"
Verifying Multicast check ...PASSED
Verifying ASMLib installation and configuration verification. ...
  Verifying '/etc/init.d/oracleasm' ...PASSED
  Verifying '/dev/oracleasm' ...PASSED
  Verifying '/etc/sysconfig/oracleasm' ...PASSED

  Node Name                             Status
  ------------------------------------  ------------------------
  salman11                              passed
Verifying ASMLib installation and configuration verification. ...PASSED
Verifying Network Time Protocol (NTP) ...
  Verifying '/etc/ntp.conf' ...
  Node Name                             File exists?
  ------------------------------------  ------------------------
  salman11                              no

  Verifying '/etc/ntp.conf' ...PASSED
  Verifying '/etc/chrony.conf' ...
  Node Name                             File exists?
  ------------------------------------  ------------------------
  salman11                              no

  Verifying '/etc/chrony.conf' ...PASSED
  Verifying '/var/run/ntpd.pid' ...
  Node Name                             File exists?
  ------------------------------------  ------------------------
  salman11                              no

  Verifying '/var/run/ntpd.pid' ...PASSED
  Verifying '/var/run/chronyd.pid' ...
  Node Name                             File exists?
  ------------------------------------  ------------------------
  salman11                              no

  Verifying '/var/run/chronyd.pid' ...PASSED
Verifying Network Time Protocol (NTP) ...PASSED
Verifying Same core file name pattern ...PASSED
Verifying User Mask ...
  Node Name     Available                 Required                  Comment
  ------------  ------------------------  ------------------------  ----------
  salman11      0022                      0022                      passed
Verifying User Mask ...PASSED
Verifying User Not In Group "root": grid ...
  Node Name     Status                    Comment
  ------------  ------------------------  ------------------------
  salman11      passed                    does not exist
Verifying User Not In Group "root": grid ...PASSED
Verifying Time zone consistency ...PASSED
Verifying resolv.conf Integrity ...
  Verifying (Linux) resolv.conf Integrity ...
  Node Name                             Status
  ------------------------------------  ------------------------
  salman11                              failed

  checking response for name "salman11" from each of the name servers specified
  in "/etc/resolv.conf"

  Node Name     Source                    Comment                   Status
  ------------  ------------------------  ------------------------  ----------
  salman11      192.231.231.1             IPv4                      failed
  Verifying (Linux) resolv.conf Integrity ...FAILED (PRVF-5636, PRVG-10048)
Verifying resolv.conf Integrity ...FAILED (PRVF-5636, PRVG-10048)
Verifying DNS/NIS name service ...PASSED
Verifying Domain Sockets ...PASSED
Verifying /boot mount ...PASSED
Verifying Daemon "avahi-daemon" not configured and running ...
  Node Name     Configured                Status
  ------------  ------------------------  ------------------------
  salman11      no                        passed

  Node Name     Running?                  Status
  ------------  ------------------------  ------------------------
  salman11      no                        passed
Verifying Daemon "avahi-daemon" not configured and running ...PASSED
Verifying Daemon "proxyt" not configured and running ...
  Node Name     Configured                Status
  ------------  ------------------------  ------------------------
  salman11      no                        passed

  Node Name     Running?                  Status
  ------------  ------------------------  ------------------------
  salman11      no                        passed
Verifying Daemon "proxyt" not configured and running ...PASSED
Verifying User Equivalence ...PASSED
Verifying File system mount options for path /var ...PASSED
Verifying zeroconf check ...PASSED
Verifying ASM Filter Driver configuration ...PASSED

Pre-check for cluster services setup was unsuccessful on all the nodes.


Failures were encountered during execution of CVU verification request "stage -pre crsinst".

Verifying Physical Memory ...FAILED
salman11: PRVF-7530 : Sufficient physical memory is not available on node
          "salman11" [Required physical memory = 8GB (8388608.0KB)]

Verifying resolv.conf Integrity ...FAILED
salman11: PRVF-5636 : The DNS response time for an unreachable node exceeded
          "15000" ms on following nodes: salman11
salman11: PRVG-10048 : Name "salman11" was not resolved to an address of the
          specified type by name servers o"192.231.231.1".
salman11: Check for integrity of file "/etc/resolv.conf" failed


  Verifying (Linux) resolv.conf Integrity ...FAILED
  salman11: PRVF-5636 : The DNS response time for an unreachable node exceeded
            "15000" ms on following nodes: salman11
  salman11: PRVG-10048 : Name "salman11" was not resolved to an address of the
            specified type by name servers o"192.231.231.1".


CVU operation performed:      stage -pre crsinst
Date:                         Apr 22, 2017 1:12:53 PM
CVU home:                     /u01/app/12.2.0/grid/
User:                         grid
First “failure” detected by cluvfy because I have not sufficient amount of memory. Since I am on Virtualbox without ample amount of resources, so I ignored it.
Rest of the failures are because I don’t have a DNS in my virtual environment, and a valid DNS server entry in resolve.conf.
All of above can be ignored (for my case at least)

Example 2   
If we have password less SSH connectivity enabled, we can run cluvfy from one node to verify all RAC nodes. See following output.
Change directory to the location where GI software was extracted and invoke “runcluvfy.sh” script.
[grid@salman11 grid]$ ./runcluvfy.sh stage -pre crsinst -n salman11,salman12 -fixup -verbose

Verifying Physical Memory ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      3.6104GB (3785812.0KB)    8GB (8388608.0KB)         failed
  salman11      3.6104GB (3785812.0KB)    8GB (8388608.0KB)         failed
Verifying Physical Memory ...FAILED (PRVF-7530)
Verifying Available Physical Memory ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      2.7644GB (2898664.0KB)    50MB (51200.0KB)          passed
  salman11      2.3254GB (2438344.0KB)    50MB (51200.0KB)          passed
Verifying Available Physical Memory ...PASSED
Verifying Swap Size ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      4GB (4194300.0KB)         3.6104GB (3785812.0KB)    passed
  salman11      4GB (4194300.0KB)         3.6104GB (3785812.0KB)    passed
Verifying Swap Size ...PASSED
Verifying Free Space: salman12:/usr,salman12:/var,salman12:/etc,salman12:/sbin,salman12:/tmp ...
  Path              Node Name     Mount point   Available     Required      Status
  ----------------  ------------  ------------  ------------  ------------  ------------
  /usr              salman12      /             53.5537GB     25MB          passed
  /var              salman12      /             53.5537GB     5MB           passed
  /etc              salman12      /             53.5537GB     25MB          passed
  /sbin             salman12      /             53.5537GB     10MB          passed
  /tmp              salman12      /             53.5537GB     1GB           passed
Verifying Free Space: salman12:/usr,salman12:/var,salman12:/etc,salman12:/sbin,salman12:/tmp ...PASSED
Verifying Free Space: salman11:/usr,salman11:/var,salman11:/etc,salman11:/sbin,salman11:/tmp ...
  Path              Node Name     Mount point   Available     Required      Status
  ----------------  ------------  ------------  ------------  ------------  ------------
  /usr              salman11      /             39.9785GB     25MB          passed
  /var              salman11      /             39.9785GB     5MB           passed
  /etc              salman11      /             39.9785GB     25MB          passed
  /sbin             salman11      /             39.9785GB     10MB          passed
  /tmp              salman11      /             39.9785GB     1GB           passed
Verifying Free Space: salman11:/usr,salman11:/var,salman11:/etc,salman11:/sbin,salman11:/tmp ...PASSED
Verifying User Existence: grid ...
  Node Name     Status                    Comment
  ------------  ------------------------  ------------------------
  salman12      passed                    exists(54322)
  salman11      passed                    exists(54322)

  Verifying Users With Same UID: 54322 ...PASSED
Verifying User Existence: grid ...PASSED
Verifying Group Existence: asmadmin ...
  Node Name     Status                    Comment
  ------------  ------------------------  ------------------------
  salman12      passed                    exists
  salman11      passed                    exists
Verifying Group Existence: asmadmin ...PASSED
Verifying Group Existence: asmdba ...
  Node Name     Status                    Comment
  ------------  ------------------------  ------------------------
  salman12      passed                    exists
  salman11      passed                    exists
Verifying Group Existence: asmdba ...PASSED
Verifying Group Existence: oinstall ...
  Node Name     Status                    Comment
  ------------  ------------------------  ------------------------
  salman12      passed                    exists
  salman11      passed                    exists
Verifying Group Existence: oinstall ...PASSED
Verifying Group Membership: asmdba ...
  Node Name         User Exists   Group Exists  User in Group  Status
  ----------------  ------------  ------------  ------------  ----------------
  salman12          yes           yes           yes           passed
  salman11          yes           yes           yes           passed
Verifying Group Membership: asmdba ...PASSED
Verifying Group Membership: asmadmin ...
  Node Name         User Exists   Group Exists  User in Group  Status
  ----------------  ------------  ------------  ------------  ----------------
  salman12          yes           yes           yes           passed
  salman11          yes           yes           yes           passed
Verifying Group Membership: asmadmin ...PASSED
Verifying Group Membership: oinstall(Primary) ...
  Node Name         User Exists   Group Exists  User in Group  Primary       Status
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman12          yes           yes           yes           yes           passed
  salman11          yes           yes           yes           yes           passed
Verifying Group Membership: oinstall(Primary) ...PASSED
Verifying Run Level ...
  Node Name     run level                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      5                         3,5                       passed
  salman11      5                         3,5                       passed
Verifying Run Level ...PASSED
Verifying Hard Limit: maximum open file descriptors ...
  Node Name         Type          Available     Required      Status
  ----------------  ------------  ------------  ------------  ----------------
  salman12          hard          65536         65536         passed
  salman11          hard          65536         65536         passed
Verifying Hard Limit: maximum open file descriptors ...PASSED
Verifying Soft Limit: maximum open file descriptors ...
  Node Name         Type          Available     Required      Status
  ----------------  ------------  ------------  ------------  ----------------
  salman12          soft          1024          1024          passed
  salman11          soft          65536         1024          passed
Verifying Soft Limit: maximum open file descriptors ...PASSED
Verifying Hard Limit: maximum user processes ...
  Node Name         Type          Available     Required      Status
  ----------------  ------------  ------------  ------------  ----------------
  salman12          hard          16384         16384         passed
  salman11          hard          16384         16384         passed
Verifying Hard Limit: maximum user processes ...PASSED
Verifying Soft Limit: maximum user processes ...
  Node Name         Type          Available     Required      Status
  ----------------  ------------  ------------  ------------  ----------------
  salman12          soft          16384         2047          passed
  salman11          soft          16384         2047          passed
Verifying Soft Limit: maximum user processes ...PASSED
Verifying Soft Limit: maximum stack size ...
  Node Name         Type          Available     Required      Status
  ----------------  ------------  ------------  ------------  ----------------
  salman12          soft          10240         10240         passed
  salman11          soft          10240         10240         passed
Verifying Soft Limit: maximum stack size ...PASSED
Verifying Architecture ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      x86_64                    x86_64                    passed
  salman11      x86_64                    x86_64                    passed
Verifying Architecture ...PASSED
Verifying OS Kernel Version ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      3.8.13-35.3.1.el7uek.x86_64  3.8.13                    passed
  salman11      3.8.13-35.3.1.el7uek.x86_64  3.8.13                    passed
Verifying OS Kernel Version ...PASSED
Verifying OS Kernel Parameter: semmsl ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          250           250           250           passed
  salman12          250           250           250           passed
Verifying OS Kernel Parameter: semmsl ...PASSED
Verifying OS Kernel Parameter: semmns ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          32000         32000         32000         passed
  salman12          32000         32000         32000         passed
Verifying OS Kernel Parameter: semmns ...PASSED
Verifying OS Kernel Parameter: semopm ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          100           100           100           passed
  salman12          100           100           100           passed
Verifying OS Kernel Parameter: semopm ...PASSED
Verifying OS Kernel Parameter: semmni ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          128           128           128           passed
  salman12          128           128           128           passed
Verifying OS Kernel Parameter: semmni ...PASSED
Verifying OS Kernel Parameter: shmmax ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          4398046511104  4398046511104  1938335744    passed
  salman12          4398046511104  4398046511104  1938335744    passed
Verifying OS Kernel Parameter: shmmax ...PASSED
Verifying OS Kernel Parameter: shmmni ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          4096          4096          4096          passed
  salman12          4096          4096          4096          passed
Verifying OS Kernel Parameter: shmmni ...PASSED
Verifying OS Kernel Parameter: shmall ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          1073741824    1073741824    378581        passed
  salman12          1073741824    1073741824    378581        passed
Verifying OS Kernel Parameter: shmall ...PASSED
Verifying OS Kernel Parameter: file-max ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          6815744       6815744       6815744       passed
  salman12          6815744       6815744       6815744       passed
Verifying OS Kernel Parameter: file-max ...PASSED
Verifying OS Kernel Parameter: ip_local_port_range ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          between 9000 & 65500  between 9000 & 65500  between 9000 & 65535  passed
  salman12          between 9000 & 65500  between 9000 & 65500  between 9000 & 65535  passed
Verifying OS Kernel Parameter: ip_local_port_range ...PASSED
Verifying OS Kernel Parameter: rmem_default ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          262144        262144        262144        passed
  salman12          262144        262144        262144        passed
Verifying OS Kernel Parameter: rmem_default ...PASSED
Verifying OS Kernel Parameter: rmem_max ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          4194304       4194304       4194304       passed
  salman12          4194304       4194304       4194304       passed
Verifying OS Kernel Parameter: rmem_max ...PASSED
Verifying OS Kernel Parameter: wmem_default ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          262144        262144        262144        passed
  salman12          262144        262144        262144        passed
Verifying OS Kernel Parameter: wmem_default ...PASSED
Verifying OS Kernel Parameter: wmem_max ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          1048576       1048576       1048576       passed
  salman12          1048576       1048576       1048576       passed
Verifying OS Kernel Parameter: wmem_max ...PASSED
Verifying OS Kernel Parameter: aio-max-nr ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          1048576       1048576       1048576       passed
  salman12          1048576       1048576       1048576       passed
Verifying OS Kernel Parameter: aio-max-nr ...PASSED
Verifying OS Kernel Parameter: panic_on_oops ...
  Node Name         Current       Configured    Required      Status        Comment
  ----------------  ------------  ------------  ------------  ------------  ------------
  salman11          1             1             1             passed
  salman12          1             1             1             passed
Verifying OS Kernel Parameter: panic_on_oops ...PASSED
Verifying Package: binutils-2.23.52.0.1 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      binutils-2.23.52.0.1-16.el7  binutils-2.23.52.0.1      passed
  salman11      binutils-2.23.52.0.1-16.el7  binutils-2.23.52.0.1      passed
Verifying Package: binutils-2.23.52.0.1 ...PASSED
Verifying Package: compat-libcap1-1.10 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      compat-libcap1-1.10-7.el7  compat-libcap1-1.10       passed
  salman11      compat-libcap1-1.10-7.el7  compat-libcap1-1.10       passed
Verifying Package: compat-libcap1-1.10 ...PASSED
Verifying Package: libgcc-4.8.2 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      libgcc(x86_64)-4.8.5-11.el7  libgcc(x86_64)-4.8.2      passed
  salman11      libgcc(x86_64)-4.8.5-11.el7  libgcc(x86_64)-4.8.2      passed
Verifying Package: libgcc-4.8.2 (x86_64) ...PASSED
Verifying Package: libstdc++-4.8.2 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      libstdc++(x86_64)-4.8.2-16.el7  libstdc++(x86_64)-4.8.2   passed
  salman11      libstdc++(x86_64)-4.8.2-16.el7  libstdc++(x86_64)-4.8.2   passed
Verifying Package: libstdc++-4.8.2 (x86_64) ...PASSED
Verifying Package: libstdc++-devel-4.8.2 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      libstdc++-devel(x86_64)-4.8.2-16.el7  libstdc++-devel(x86_64)-4.8.2  passed
  salman11      libstdc++-devel(x86_64)-4.8.2-16.el7  libstdc++-devel(x86_64)-4.8.2  passed
Verifying Package: libstdc++-devel-4.8.2 (x86_64) ...PASSED
Verifying Package: sysstat-10.1.5 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      sysstat-10.1.5-4.el7      sysstat-10.1.5            passed
  salman11      sysstat-10.1.5-4.el7      sysstat-10.1.5            passed
Verifying Package: sysstat-10.1.5 ...PASSED
Verifying Package: ksh ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      ksh                       ksh                       passed
  salman11      ksh                       ksh                       passed
Verifying Package: ksh ...PASSED
Verifying Package: make-3.82 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      make-3.82-21.el7          make-3.82                 passed
  salman11      make-3.82-21.el7          make-3.82                 passed
Verifying Package: make-3.82 ...PASSED
Verifying Package: glibc-2.17 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      glibc(x86_64)-2.17-157.el7_3.1  glibc(x86_64)-2.17        passed
  salman11      glibc(x86_64)-2.17-157.el7_3.1  glibc(x86_64)-2.17        passed
Verifying Package: glibc-2.17 (x86_64) ...PASSED
Verifying Package: glibc-devel-2.17 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      glibc-devel(x86_64)-2.17-157.el7_3.1  glibc-devel(x86_64)-2.17  passed
  salman11      glibc-devel(x86_64)-2.17-157.el7_3.1  glibc-devel(x86_64)-2.17  passed
Verifying Package: glibc-devel-2.17 (x86_64) ...PASSED
Verifying Package: libaio-0.3.109 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      libaio(x86_64)-0.3.109-13.el7  libaio(x86_64)-0.3.109    passed
  salman11      libaio(x86_64)-0.3.109-13.el7  libaio(x86_64)-0.3.109    passed
Verifying Package: libaio-0.3.109 (x86_64) ...PASSED
Verifying Package: libaio-devel-0.3.109 (x86_64) ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      libaio-devel(x86_64)-0.3.109-13.el7  libaio-devel(x86_64)-0.3.109  passed
  salman11      libaio-devel(x86_64)-0.3.109-13.el7  libaio-devel(x86_64)-0.3.109  passed
Verifying Package: libaio-devel-0.3.109 (x86_64) ...PASSED
Verifying Package: nfs-utils-1.2.3-15 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      nfs-utils-1.3.0-0.el7     nfs-utils-1.2.3-15        passed
  salman11      nfs-utils-1.3.0-0.el7     nfs-utils-1.2.3-15        passed
Verifying Package: nfs-utils-1.2.3-15 ...PASSED
Verifying Package: smartmontools-6.2-4 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      smartmontools-6.2-4.el7   smartmontools-6.2-4       passed
  salman11      smartmontools-6.2-4.el7   smartmontools-6.2-4       passed
Verifying Package: smartmontools-6.2-4 ...PASSED
Verifying Package: net-tools-2.0-0.17 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      net-tools-2.0-0.17.20131004git.el7  net-tools-2.0-0.17        passed
  salman11      net-tools-2.0-0.17.20131004git.el7  net-tools-2.0-0.17        passed
Verifying Package: net-tools-2.0-0.17 ...PASSED
Verifying Port Availability for component "Oracle Notification Service (ONS)" ...
  Node Name         Port Number   Protocol      Available     Status
  ----------------  ------------  ------------  ------------  ----------------
  salman12          6200          TCP           yes           successful
  salman11          6200          TCP           yes           successful
  salman12          6100          TCP           yes           successful
  salman11          6100          TCP           yes           successful
Verifying Port Availability for component "Oracle Notification Service (ONS)" ...PASSED
Verifying Port Availability for component "Oracle Cluster Synchronization Services (CSSD)" ...
  Node Name         Port Number   Protocol      Available     Status
  ----------------  ------------  ------------  ------------  ----------------
  salman12          42424         TCP           yes           successful
  salman11          42424         TCP           yes           successful
Verifying Port Availability for component "Oracle Cluster Synchronization Services (CSSD)" ...PASSED
Verifying Users With Same UID: 0 ...PASSED
Verifying Current Group ID ...PASSED
Verifying Root user consistency ...
  Node Name                             Status
  ------------------------------------  ------------------------
  salman12                              passed
  salman11                              passed
Verifying Root user consistency ...PASSED
Verifying Package: cvuqdisk-1.0.10-1 ...
  Node Name     Available                 Required                  Status
  ------------  ------------------------  ------------------------  ----------
  salman12      cvuqdisk-1.0.10-1         cvuqdisk-1.0.10-1         passed
  salman11      cvuqdisk-1.0.10-1         cvuqdisk-1.0.10-1         passed
Verifying Package: cvuqdisk-1.0.10-1 ...PASSED
Verifying Node Connectivity ...
  Verifying Hosts File ...
  Node Name                             Status
  ------------------------------------  ------------------------
  salman11                              passed
  salman12                              passed
  Verifying Hosts File ...PASSED

Interface information for node "salman11"

 Name   IP Address      Subnet          Gateway         Def. Gateway    HW Address        MTU
 ------ --------------- --------------- --------------- --------------- ----------------- ------
 enp0s8 192.231.231.50  192.231.231.0   0.0.0.0         192.231.231.1   08:00:27:A4:2E:3B 1500
 enp0s9 10.10.10.10     10.10.10.0      0.0.0.0         192.231.231.1   08:00:27:AC:CD:5E 1500

Interface information for node "salman12"

 Name   IP Address      Subnet          Gateway         Def. Gateway    HW Address        MTU
 ------ --------------- --------------- --------------- --------------- ----------------- ------
 enp0s8 192.231.231.51  192.231.231.0   0.0.0.0         192.231.231.1   08:00:27:1D:DB:E5 1500
 enp0s9 10.10.10.11     10.10.10.0      0.0.0.0         192.231.231.1   08:00:27:BA:DB:5F 1500

Check: MTU consistency of the subnet "192.231.231.0".

  Node              Name          IP Address    Subnet        MTU
  ----------------  ------------  ------------  ------------  ----------------
  salman11          enp0s8        192.231.231.50  192.231.231.0  1500
  salman12          enp0s8        192.231.231.51  192.231.231.0  1500

Check: MTU consistency of the subnet "10.10.10.0".

  Node              Name          IP Address    Subnet        MTU
  ----------------  ------------  ------------  ------------  ----------------
  salman11          enp0s9        10.10.10.10   10.10.10.0    1500
  salman12          enp0s9        10.10.10.11   10.10.10.0    1500
  Verifying Check that maximum (MTU) size packet goes through subnet ...PASSED

  Source                          Destination                     Connected?
  ------------------------------  ------------------------------  ----------------
  salman11[enp0s8:192.231.231.50]  salman12[enp0s8:192.231.231.51]  yes

  Source                          Destination                     Connected?
  ------------------------------  ------------------------------  ----------------
  salman11[enp0s9:10.10.10.10]    salman12[enp0s9:10.10.10.11]    yes
  Verifying subnet mask consistency for subnet "192.231.231.0" ...PASSED
  Verifying subnet mask consistency for subnet "10.10.10.0" ...PASSED
Verifying Node Connectivity ...PASSED
Verifying Multicast check ...
Checking subnet "192.231.231.0" for multicast communication with multicast group "224.0.0.251"
Verifying Multicast check ...PASSED
Verifying ASMLib installation and configuration verification. ...
  Verifying '/etc/init.d/oracleasm' ...PASSED
  Verifying '/dev/oracleasm' ...PASSED
  Verifying '/etc/sysconfig/oracleasm' ...PASSED

  Node Name                             Status
  ------------------------------------  ------------------------
  salman11                              passed
  salman12                              passed
Verifying ASMLib installation and configuration verification. ...PASSED
Verifying Network Time Protocol (NTP) ...
  Verifying '/etc/ntp.conf' ...
  Node Name                             File exists?
  ------------------------------------  ------------------------
  salman12                              no
  salman11                              no

  Verifying '/etc/ntp.conf' ...PASSED
  Verifying '/etc/chrony.conf' ...
  Node Name                             File exists?
  ------------------------------------  ------------------------
  salman12                              no
  salman11                              no

  Verifying '/etc/chrony.conf' ...PASSED
  Verifying '/var/run/ntpd.pid' ...
  Node Name                             File exists?
  ------------------------------------  ------------------------
  salman12                              no
  salman11                              no

  Verifying '/var/run/ntpd.pid' ...PASSED
  Verifying '/var/run/chronyd.pid' ...
  Node Name                             File exists?
  ------------------------------------  ------------------------
  salman12                              no
  salman11                              no

Verifying '/var/run/chronyd.pid' ...PASSED
Verifying Network Time Protocol (NTP) ...PASSED
Verifying Same core file name pattern ...PASSEDVerifying User Mask ...
  Node Name     Available                 Required                  Comment
  ------------  ------------------------  ------------------------  ----------
  salman12      0022                      0022                      passed
  salman11      0022                      0022                      passed
Verifying User Mask ...PASSED
Verifying User Not In Group "root": grid ...
  Node Name     Status                    Comment
  ------------  ------------------------  ------------------------
  salman12      passed                    does not exist
  salman11      passed                    does not exist
Verifying User Not In Group "root": grid ...PASSED
Verifying Time zone consistency ...PASSED
Verifying resolv.conf Integrity ...
  Verifying (Linux) resolv.conf Integrity ...
  Node Name                             Status
  ------------------------------------  ------------------------
  salman11                              failed
  salman12                              failed

  checking response for name "salman12" from each of the name servers specified
  in "/etc/resolv.conf"

  Node Name     Source                    Comment                   Status
  ------------  ------------------------  ------------------------  ----------
  salman12      192.231.231.1             IPv4                      failed

  checking response for name "salman11" from each of the name servers specified
  in "/etc/resolv.conf"

  Node Name     Source                    Comment                   Status
  ------------  ------------------------  ------------------------  ----------
  salman11      192.231.231.1             IPv4                      failed
  Verifying (Linux) resolv.conf Integrity ...FAILED (PRVF-5636, PRVG-10048)
Verifying resolv.conf Integrity ...FAILED (PRVF-5636, PRVG-10048)
Verifying DNS/NIS name service ...PASSED
Verifying Domain Sockets ...PASSED
Verifying /boot mount ...PASSED
Verifying Daemon "avahi-daemon" not configured and running ...
  Node Name     Configured                Status
  ------------  ------------------------  ------------------------
  salman12      no                        passed
  salman11      no                        passed

  Node Name     Running?                  Status
  ------------  ------------------------  ------------------------
  salman12      no                        passed
  salman11      no                        passed
Verifying Daemon "avahi-daemon" not configured and running ...PASSED
Verifying Daemon "proxyt" not configured and running ...
  Node Name     Configured                Status
  ------------  ------------------------  ------------------------
  salman12      no                        passed
  salman11      no                        passed

  Node Name     Running?                  Status
  ------------  ------------------------  ------------------------
  salman12      no                        passed
  salman11      no                        passed
Verifying Daemon "proxyt" not configured and running ...PASSED
Verifying User Equivalence ...PASSED
Verifying File system mount options for path /var ...PASSED
Verifying zeroconf check ...PASSED
Verifying ASM Filter Driver configuration ...PASSED

Pre-check for cluster services setup was unsuccessful on all the nodes.


Failures were encountered during execution of CVU verification request "stage -pre crsinst".

Verifying Physical Memory ...FAILED
salman12: PRVF-7530 : Sufficient physical memory is not available on node
          "salman12" [Required physical memory = 8GB (8388608.0KB)]

salman11: PRVF-7530 : Sufficient physical memory is not available on node
          "salman11" [Required physical memory = 8GB (8388608.0KB)]

Verifying resolv.conf Integrity ...FAILED
salman12: PRVF-5636 : The DNS response time for an unreachable node exceeded
          "15000" ms on following nodes: salman11,salman12
salman12: PRVG-10048 : Name "salman12" was not resolved to an address of the
          specified type by name servers o"192.231.231.1".
salman12: Check for integrity of file "/etc/resolv.conf" failed


salman11: PRVF-5636 : The DNS response time for an unreachable node exceeded
          "15000" ms on following nodes: salman11,salman12
salman11: PRVG-10048 : Name "salman11" was not resolved to an address of the
          specified type by name servers o"192.231.231.1".
salman11: Check for integrity of file "/etc/resolv.conf" failed


  Verifying (Linux) resolv.conf Integrity ...FAILED
  salman12: PRVF-5636 : The DNS response time for an unreachable node exceeded
            "15000" ms on following nodes: salman11,salman12
  salman12: PRVG-10048 : Name "salman12" was not resolved to an address of the
            specified type by name servers o"192.231.231.1".

  salman11: PRVF-5636 : The DNS response time for an unreachable node exceeded
            "15000" ms on following nodes: salman11,salman12
  salman11: PRVG-10048 : Name "salman11" was not resolved to an address of the
            specified type by name servers o"192.231.231.1".


CVU operation performed:      stage -pre crsinst
Date:                         Apr 10, 2017 3:03:29 PM
CVU home:                     /u01/app/12.2.0/grid/
User:                         grid

Again failures are same as explained above in example 1 that can be ignored (for my case). If you see any other issue here, resolve that before proceeding to the RAC installation.

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