OpenVMS: RMAN backup or archiving the redo logs hangs on control file access.
(Doc ID 1360124.1)
Last updated on JUNE 05, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.4 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud 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
HP OpenVMS Itanium
HP OpenVMS Alpha
***Checked for relevance on 07-May-2013***
Oracle server processes hang when accessing the control file.
There are several symptoms of this problem:
- The OS is OpenVMS 8.4, the problems are not seen on earlier (8.3) versions.
- On an active database in archivelog mode, sessions hang on event 'log file switch (archiving needed)' when the
redologs needs to be archived.
- RMAN backup using target database control file will hang.
The RMAN client session hangs in foreground, the server session hangs on
event 'control file sequential read'
Server process stack dump:
sedst1 <- ksedmp <- ksdxfdmp <- ksdxcb <- sspper
<- sspsck <- %X0 <- vpIdle <- schVpIdlePrim <- schNullThreadRoutine
<- thdBase <- %X0 <- pthread_main
- Instance restart will hang on shutdown and at startup on alter database open
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