Solaris: ASM Disk Permissions Reset back to "root" After the Node Reboot or ACFS Installation
(Doc ID 2426167.1)
Last updated on FEBRUARY 24, 2022
Applies to:
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and laterOracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 12.2.0.1 to 19.1.0.0.0 [Release 12.2 to 19]
Oracle Solaris on SPARC (64-bit)
Symptoms
Permissions on the LUN changes when the cluster node reboots. This resulting in the voting device accessibility issue and clusterware startup failure.
For example, original permission on the disks
root@racnode1 /devices/virtual-devices@100/channel-devices@200 # ls -la|grep e,raw
crw-rw---- 1 grid asmadmin 264, 244 Jun 25 21:53 disk@1f:e,raw
crw-rw---- 1 grid asmadmin 264, 252 Jun 25 21:53 disk@20:e,raw
crw-rw---- 1 grid asmadmin 264, 332 Jun 25 21:53 disk@2a:e,raw
crw-rw---- 1 grid asmadmin 264, 340 Jun 25 21:53 disk@2b:e,raw
After the node reboot:
root@racnode1 /devices/virtual-devices@100/channel-devices@200 # ls -la|grep e,raw
crw------- 1 root sys 264, 244 Jul 27 09:03 disk@1f:e,raw
crw------- 1 root sys 264, 252 Jul 27 09:03 disk@20:e,raw
crw------- 1 root sys 264, 332 Jul 27 09:03 disk@2a:e,raw
crw------- 1 root sys 264, 340 Jul 27 09:03 disk@2b:e,raw
Another symptom include, permission appears to be reset for non-USM devices after running 'acfsroot install' on Solaris
Changes
Install ACFS or apply PSU
Cause
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