ORA-15071: ASM disk "<disk_name>" is already being dropped
(Doc ID 1684159.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Database - Standard Edition - Version 220.127.116.11 to 18.104.22.168 [Release 11.2 to 12.1]
Information in this document applies to any platform.
1] One of ASM disks were dropped from a normal redundancy diskgroup to replace old disk with new disk.
2] Rebalance has been completed as below
no rows selected
3] The status of disk being dropped shows "DROPPING" status forever.
4 4 OCR_0004 /u02/oradata/asm_disk12 CACHED MEMBER NORMAL 2,000 2,000 1,604 OCR_0004
4 5 OCR_0005 /u02/oradata/asm_disk13 CACHED MEMBER NORMAL 2,000 2,000 1,604 OCR_0005
4] ORA-15071 error occurs when trying to drop the same disk.
alter diskgroup OCR drop disk OCR_0003
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15071: ASM disk "OCR_0005" is already being dropped
5] The following warning is visible in ASM alert.log
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