One of my Linux environments is set up with 18.104.22.168.0. both Grid Infra structure and Rdbms together with ASM using luns that are part of EMC BCVS copy of production for reporting purposes. This environment can be classified as a Oracle – Restart environment. As part of a process that is supposed to run by automated Job during the night the Database should go through various stages ( shutdown abort, dismount the dedicated ASM diskgroups per database in ASM). After that the BCVS are handed over to the source side again for syncing after which the database will be rebuild using the fresh BCV split.
Well as I said , supposed to run automated… cause at this point and time , during the day this is working properly but during the night we get per disk in the disk group a message similar to:
asm-diskgroupname-data-001: map in use
From Reading and searching metalink it was suggested to implement the latest PSU Patch January 2013 due to:
ASM 22.214.171.124 Is Not Releasing File Descriptors After Drop or Dismount Diskgroup. [ID 1306574.1]
So i started my Journey on patching this environment.