Friday, June 23, 2017

Creating ASM disks using ASM Filter Driver (ASMFD)

Starting we can use ASM Filter Drive (ASMFD) to create ASM disks to be used for ASM diskgroups. I have already explain in this article that how we configure ASMFD during GI installation, and this article for migration from ASMLib to ASMFD. In this article I will show you how to create/add new ASM disks using ASMFD so that we can use them for existing or new diskgroups.

Saturday, June 17, 2017

ASMCMD-9524: AFD configuration failed 'ERROR: ASMLib deconfiguration failed'

While configuring ASMFD (ASM Filer Driver), I was playing around and started facing this error after issuing “afd_configure” command
[root@salman11 ~]# /u01/app/12.2.0/grid/bin/asmcmd afd_configure
ASMCMD-9524: AFD configuration failed 'ERROR: ASMLib deconfiguration failed'

I simply stopped oracleasm and acfsload service and after that reissued the “afd_configure” command, and it started working fine.
Point to note is that we need to stop oracleasm and acfsload before configuring ASMFD using “afd_configure”.

Saturday, June 10, 2017

Migrating from ASMLib to Oracle ASM Filter Driver (ASMFD)

Starting, ASMFD can be used instead of ASMLib for the ASM disks management. In this article I will explain how to migrate from ASMLib to ASMFD. I already have ASMLib configured on my server and I want to move to using ASMFD. For new GI installation, we can configure ASMFD for our ASM disks from GI installation wizard. Method explained here works for both standalone GI installations as well as for RAC.

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