ACFS Filesystem Hangs On AIX (Stack Call : OfsAcquireResourceLite_OSD/ofsvn_close/ofsvn_open/ofsvn_lockctl)
(Doc ID 1599592.1)
Last updated on FEBRUARY 13, 2019
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 11.2 to 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
1) ACFS filesystem hangs on AIX. Processes hang (in a non-killable state) when accessing files in an ACFS file system.
2) Creating, closing, reading, deleting or listing files on the ACFS filesystem are not possible and just hanged (e.g. ls, cd, etc.).
3) Processes blocked in a non-killable state accessing files on ACFS, running on AIX. Generally, there will be two processes involved in the deadlock, one will be in ofsvn_close() with a kernel stack similar to:
5) Neither of these processes will be killable.
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