ODM DATA:
Voting Disk
Stored in selected ASM disks
‘crsctl’ used to specify a disk group for Voting disks
ASM auto creates1/3/5 Voting Disks based on Ext/Normal/High redundancy on Failure Groups
Quorum failure group
ASM determines redundancy for OCR and Voting Disk based on disk group redundancy level
redundancy:
external => 一份 vote disk
normal => 3份vote disk
high => 5 份vote disk
[root@vrh1 ~]# crsctl query css votedisk
## STATE File Universal Id File Name Disk group
-- ----- ----------------- --------- ---------
1. ONLINE a853d6204bbc4feabfd8c73d4c3b3001 (/dev/asm-diskh) [SYSTEMDG]
2. ONLINE a5b37704c3574f0fbf21d1d9f58c4a6b (/dev/asm-diskg) [SYSTEMDG]
3. ONLINE 36e5c51ff0294fc3bf2a042266650331 (/dev/asm-diski) [SYSTEMDG]
4. ONLINE af337d1512824fe4bf6ad45283517aaa (/dev/asm-diskj) [SYSTEMDG]
5. ONLINE 3c4a349e2e304ff6bf64b2b1c9d9cf5d (/dev/asm-diskk) [SYSTEMDG]
ASMCMD> pwd
+systemdg/vrh-cluster/OCRFILE
ASMCMD> ls -l
Type Redund Striped Time Sys Name
OCRFILE HIGH COARSE JUL 11 10:00:00 Y REGISTRY.255.766612109