Database Process Hold Locks Dropped ASM Disk
(Doc ID 2159941.1)
Last updated on JANUARY 22, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.4 and laterOracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database 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
Information in this document applies to any platform.
Symptoms
While attempting to remove the LUN from OS Level failed with below errors.
ALTER DISKGROUP SCDT6P7DATA DROP DISK SCDPP7DATA_0038 REBALANCE POWER 9;
NOTE: disk 38 (SCDPP7DATA_0038) in group 2 (SCDT6P7DATA) is offline for reads
SUCCESS: disk SCDPP7DATA_0038 (38.235912897) dropped from diskgroup SCDT6P7DATA
$/usr/sbin/rmdev -d -l hdisk68
Method error (/etc/methods/ucfgdevice):0514-062 Cannot perform the requested function because the specified device is busy.
$lsof|grep hdisk68
lsof: WARNING: compiled for AIX version 6.1.3.0; this is 7.1.0.0.
oracle 12255412 oracle 9u VCHR 18,68 0t0 33130 /dev/rhdisk68 << AQ process holding this disk
SID SERIAL# OSUSER SPID MACHINE
3 9 oracle 12255412 test01 oracle@<HOST NAME> (Q001)
oracle 12255412 1 0 Jun 13 - 0:05 ora_q001_SCDT6P71
Changes
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |