Oracle ASM: how to verify the Disk Group Redundancy

Situatie

Solutie

Step 1:
Connected as GI owner (usually “grid” used)
Having set the correct environemnt

Step 2:

Run
asmcmd lsdg

Output sample:

— snip —
grid@host1:/home/grid[+ASM1]$ asmcmd lsdg
State Type Rebal Sector Logical_Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name
MOUNTED NORMAL N 512 512 4096 1048576 144549376 57149570 4194304 26477633 0 N DATA01/
MOUNTED NORMAL N 512 512 4096 1048576 12240000 7890756 1024000 3433378 0 N FRA01/
MOUNTED EXTEND N 512 512 4096 4194304 62440 58624 0 0 0 Y OCRVOTE/
MOUNTED NORMAL N 512 512 4096 1048576 2058000 1770424 102400 834012 0 N REDO01/
MOUNTED NORMAL N 512 512 4096 1048576 2058000 1771000 102400 834300 0 N REDO02/

— snip —

and note the Type collumn

i.e. NORMAL means Normal Redundancy
i.e. EXTEND means Extended Redundancy (valid only for Extended Clusters)

Tip solutie

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