Re: Strange mount/unmount diskgroup
- From: fairlie rego <fairlie_r@xxxxxxxxx>
- To: mgogala@xxxxxxxxxxx
- Date: Sun, 18 Feb 2007 15:49:37 -0800 (PST)
Malden,
I think this could be the same issue discussed in ML note 361173.1
Asm Diskgroup success Mount And Umount messages in alert.log during Rman
Backup
Thanks
Fairlie
Mladen Gogala <mgogala@xxxxxxxxxxx> wrote:
I have a RAC database with a standby. Both RAC and standby are on ASM.
On standby,
I used the flashback recovery area located on the DGFRA diskgroup to
create standby redo
logs. There aren't any problems but I am perplexed by entries like this:
RFS[1]: Successfully opened standby log 30:
'+DGFRA/adprd/onlinelog/group_30.265.614877861'
SUCCESS: diskgroup DGFRA was dismounted
SUCCESS: diskgroup DGFRA was mounted
SUCCESS: diskgroup DGFRA was dismounted
Sun Feb 18 17:51:50 2007
SUCCESS: diskgroup DGFRA was mounted
SUCCESS: diskgroup DGFRA was dismounted
SUCCESS: diskgroup DGFRA was mounted
SUCCESS: diskgroup DGFRA was dismounted
Sun Feb 18 17:51:52 2007
Media Recovery Log /BACKUP/archives/archADPRD_1_514_614435904.dbf
Media Recovery Log /BACKUP/archives/archADPRD_1_515_614435904.dbf
Media Recovery Log /BACKUP/archives/archADPRD_2_863_614435904.dbf
Media Recovery Log /BACKUP/archives/archADPRD_1_516_614435904.dbf
Media Recovery Log /BACKUP/archives/archADPRD_2_864_614435904.dbf
Media Recovery Waiting for thread 1 sequence 517
Why in the world is it unmounting/mounting the diskgroup? What useful
purpose does it serve and why
doesn't the instance just leave it mounted?
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Fairlie Rego
Senior Oracle Consultant
http://www.linkedin.com/in/fairlierego
http://el-caro.blogspot.com/
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