ASM 188.8.131.52 Is Not Releasing File Descriptors After Drop or Dismount Diskgroup.
(Doc ID 1306574.1)
Last updated on FEBRUARY 18, 2019
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 to 220.127.116.11 [Release 11.2]
Information in this document applies to any platform.
A) DROP DISKGROUP SCENARIO:
On release 18.104.22.168, after drop a diskgroups ASM is not releasing file descriptors on the raw devices.
<Document 4693355.8> sates that this problem (<Bug:4693355> & <Bug:7225720>) is fixed on release 22.214.171.124.0, but the problem persists on release 126.96.36.199.0.
1) Create a diskgroup with 4 raw devices:
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