Why There's no Impact to CSS After ASM Diskgroup for Voting File is Dismounted?

(Doc ID 1905378.1)

Last updated on JULY 17, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Information in this document applies to any platform.

Goal

Grid Infrastructure with Voting File on ASM Diskgroup, there's no impact to CSS after the diskgroup was dismounted by ASM:

 

"<GI_HOME>/bin/crsctl query css votedisk" shows Voting File location

## STATE File Universal Id File Name Disk group
-- ----- ----------------- --------- ---------
1. ONLINE 2db8d1f28e9b4f9cbf71ac05fb359b94 (/dev/oracleasm/disks/DISKV001) [VOTING]
2. ONLINE 4e259d9c9fc64fd3bf8b77c7b65f3c84 (/dev/oracleasm/disks/DISKV002) [VOTING]
3. ONLINE 92d33ab4f2f34fe5bfea9c4671509886 (/dev/oracleasm/disks/DISKV003) [VOTING]
Located 3 voting disk(s).


<GI_HOME>/log/<node>/alert<node>.log

2014-07-01 00:10:09.265:
[client(4815)]CRS-1013:The OCR location in an ASM disk group is inaccessible. Details in /u01/app/grid/11.2.0.4/log/nvtalnx101/client/ocrcheck_4815.log.
2014-07-01 03:56:12.619:
[crsd(11295)]CRS-1006:The OCR location +VOTING is inaccessible. Details in /u01/app/grid/11.2.0.4/log/nvtalnx101/crsd/crsd.log.

ASM alert.log

Tue Jul 01 00:05:24 2014
WARNING: Waited 15 secs for write IO to PST disk 0 in group 1.
WARNING: Waited 15 secs for write IO to PST disk 0 in group 1.
.
WARNING: Waited 15 secs for write IO to PST disk 2 in group 4.
Tue Jul 01 00:05:24 2014
NOTE: process _b000_+asm2 (2309) initiating offline of disk 0.3915955348 (VOTING_0000) with mask 0x7e in group 4
NOTE: process _b000_+asm2 (2309) initiating offline of disk 1.3915955346 (VOTING_0001) with mask 0x7e in group 4
NOTE: process _b000_+asm2 (2309) initiating offline of disk 2.3915955347 (VOTING_0002) with mask 0x7e in group 4


GI_HOME>/log/<node>/cssd/ocssd.log shows normal messages:

2014-07-01 00:10:14.519: [ CSSD][766453504]clssnmSendingThread: sent 5 status msgs to all nodes
2014-07-01 00:10:19.520: [ CSSD][766453504]clssnmSendingThread: sending status msg to all nodes 
....
2014-07-01 03:56:17.859: [ CSSD][766453504]clssnmSendingThread: sent 5 status msgs to all nodes
2014-07-01 03:56:22.860: [ CSSD][766453504]clssnmSendingThread: sending status msg to all nodes 

 

 

Solution

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