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2026-03-12 20:23:15

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2026-03-12 21:23:47 +01:00
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vg/asm_imbalance.sql Normal file
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@@header
COLUMN diskgroup_name HEADING "DiskGroup Name" FORMAT a20
COLUMN Imbalance_percent HEADING "Imbalance|(%)" FORMAT 99999999.99
COLUMN Variance HEADING "Variance" FORMAT 999.99999
COLUMN MinFree HEADING "MinFree|(%)" FORMAT 999.99
COLUMN DiskCnt HEADING "Disk Count" FORMAT 99999
COLUMN Type HEADING "Redundancy|Typet" FORMAT a10
select g.name diskgroup_name
, 100*(max((d.total_mb-d.free_mb + (128*g.allocation_unit_size/1048576))/(d.total_mb + (128*g.allocation_unit_size/1048576)))
-min((d.total_mb-d.free_mb + (128*g.allocation_unit_size/1048576))/(d.total_mb + (128*g.allocation_unit_size/1048576)))
) /max((d.total_mb-d.free_mb + (128*g.allocation_unit_size/1048576))/(d.total_mb + (128*g.allocation_unit_size/1048576)))
Imbalance_percent
, 100*(max(d.total_mb)-min(d.total_mb))/max(d.total_mb) Variance /* Percent difference between largest and smallest disk */
, 100*(min(d.free_mb/d.total_mb)) MinFree /* The disk with the least free space as a percent of total space */
, count(*) DiskCnt /* Number of disks in the diskgroup */
, g.type Type /* Diskgroup redundancy */
FROM v$asm_disk_stat d
, v$asm_diskgroup_stat g
WHERE d.group_number = g.group_number
AND d.group_number <> 0
AND d.state = 'NORMAL'
AND d.mount_status = 'CACHED'
GROUP BY g.name
, g.type
ORDER BY g.name
;
@@footer