We lost 2 drives in the same array on a CX600 and they wouldn't rebuild. Our
problem did not cause a loss of data. EMC had to bring down the whole thing
and when it came back up the rebuild kicked off and everything was OK. We were
told that if we had a more recent version of microcode then the rebuild would
have worked from the start.
Bottom line wait until EMC is done before you do anything because you may not
have lost any data.
Steve Schaub <Steve_Schaub AT BCBST DOT COM> wrote:
First, make sure the drives were really bad - we had this happen to us on a
cx500 and it turned out that the microcode was actually bad, and the 2nd
raid5 disk failure was phony. Have your ce double check this - we lost tons
of data from this little glitch biting us several days in a row before they
figured it out (when it did come back up the volumes were toast).
-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Nancy L Backhaus
Sent: Wednesday, May 04, 2005 1:09 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: [ADSM-L] CX700 ATA failure - Audit Storage Pool Volumes
TSM Server 5.2.3.5
AIX Operating System 5.2
We have lost two drives on a single ATA RAID array. EMC CE is on site and
working with the EMC SAC to resolve the problem. We brought TSM Server
down while EMC is working on the issue. I started receiving the
following errors before we stop all processes, backups, migrations marking
the effected diskpool volumes read-only.
05/04/05 09:06:36 ANR1411W Access mode for volume
/tsmpool39/diskpool22a now
set to "read-only" due to write error. (SESSION:
125991)
My question is >
When we bring the server back up. I want to ensure that I am doing the
right thing, or if I am missing anything.
1. I will need to make sure the volumes affected are online and in a
read/write status.
2. Audit diskpools volumes, Inspect only first 3. If there are damaged
volumes,rerun audit volume, with Fix=Yes.
4. Suggestions?
Nancy Backhaus
Enterprise Systems
Backhaus.Nancy AT HealthNow DOT org
Office: (716) 887-7979
Cell: (716) 609-2138
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