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diskgroup cannot be mounted

edited Jul 9, 2021 7:59PM in Database Administration (MOSC) 2 commentsAnswered

2021-07-09T15:39:44.934644-04:00

SQL> alter diskgroup BACK mount

2021-07-09T15:39:44.945489-04:00

NOTE: cache registered group BACK 2/0x54B8377B

NOTE: cache began mount (first) of group BACK 2/0x54B8377B

2021-07-09T15:39:44.987997-04:00

ERROR: no read quorum in group: required 1, found 0 disks

2021-07-09T15:39:44.988613-04:00

NOTE: cache dismounting (clean) group 2/0x54B8377B (BACK01)

NOTE: messaging CKPT to quiesce pins Unix process pid: 2949, image: oracle@* (TNS V1-V3)

NOTE: dbwr not being msg'd to dismount

NOTE: LGWR not being messaged to dismount

NOTE: cache dismounted group 2/0x54B8377B (BACK)

NOTE: cache ending mount (fail) of group BACK number=2 incarn=0x54b8377b

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