Wednesday, April 24, 2019

ORA-17503 ORA-27140 ORA-27300 ORA-27301 ORA-27302

ORA-00210: cannot open the specified control file
ORA-00202: control file: '+DATA/mydb/controlfile/current.257.918811113'
ORA-17503: ksfdopn:2 Failed to open file +DATA/mydb/controlfile/current.257.918811113
ORA-15001: diskgroup "DATA" does not exist or is not mounted
ORA-15055: unable to connect to ASM instance
ORA-27140: attach to post/wait facility failed
ORA-27300: OS system dependent operation:invalid_egid failed with status: 1
ORA-27301: OS failure message: Operation not permitted
ORA-27302: failure occurred at: skgpwinit6
ORA-27303: additional information: startup egid = 1000 (oinstall), current egid = 1031 (dba)
ORA-00210: cannot open the specified control file
ORA-00202: control file: '+DATA/mydb/controlfile/current.256.918811111'
ORA-17503: ksfdopn:2 Failed to open file +DATA/mydb/controlfile/current.256.918811111
ORA-15001: diskgroup "DATA" does not exist or is not mounted
ORA-15055: unable to connect to ASM instance
ORA-27140: attach to post/wait facility failed
ORA-27300: OS system dependent operation:invalid_egid failed with status: 1
ORA-27301: OS failure message: Operation not permitted
ORA-27302: failure occurred at: skgpwinit6
ORA-27303: additional information: startup egid = 1000 (oinstall), current egid = 1031 (dba)

Friday, April 12, 2019

Managing ASM Power Limit During Disk Re-balance


While adding or removing disks to/from a diskgroup, ASM does a re-balance of allocation units (ASM extents); we can specify a power limit of this re-balance. Power limit is used to handle the workload of re-balancing in a way that it does not interfere the normal operation of our database and does not slow down IO operations. Following are some important points to note about rebalance power limit.

Monday, April 1, 2019

ORA-01503: CREATE CONTROLFILE failed with ORA-01192

There could be several reasons for facing ORA-01503 while creating a new controlfile. When we plan to create a controlfile, we can write our own script, but creating a script using “ALTER DATABASE BACKUP CONTROLFILE TO TRACE” command generates a perfect script for us and we do not need to write script ourselves. In the following I will discuss a scenario where I ORA-01503 and how I solved it.

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