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тАО11-11-2009 03:54 AM
тАО11-11-2009 03:54 AM
Is it neccesary to suspend the CA traffic during an offline controller/disks upgrade.
I can only find documentation about suspending the traffic with an online upgrade.
Let me know,
Solved! Go to Solution.
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тАО11-11-2009 01:45 PM
тАО11-11-2009 01:45 PM
SolutionIt is probably safer to suspend the DR groups manually because if a problem occurs at least you wont replicate corrupted data. I always like to leave the replication suspended until I am sure the hosts have all restarted and confirmed their data is OK.
It is easy enough to create an SSSU script to suspend the DR groups prior to upgrade.
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тАО11-11-2009 01:55 PM
тАО11-11-2009 01:55 PM
Re: Need to suspend CA with an offline firmware upgrade
Answers will be more specific if you tell us ...
Hope this helps!
Regards
Torsten.
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тАО11-12-2009 02:50 PM
тАО11-12-2009 02:50 PM
Re: Need to suspend CA with an offline firmware upgrade
It concerns replication between two eva6000 arrays. They are connected by fibre and located on the same compound. I hear different stories about this issue. Also that replication does not need te be suspended because all connected systems will be taken offline and there will be no or almost no replication data.
It will be a controller firmware upgrade from xcs6200 to xcs6220 and about 40 drives to be flashed on each eva.
Awaiting your reaction,
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тАО11-14-2009 02:08 PM
тАО11-14-2009 02:08 PM
Re: Need to suspend CA with an offline firmware upgrade
The controller firmware upgrade takes about 10 minutes and the disk drive update can be done while the array is online and takes about 30-60 seconds per disk.
I also delay the update of the 'paired' array for several days to ensure that there is no latent issue with the firmware.
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тАО11-17-2009 12:37 AM
тАО11-17-2009 12:37 AM
Re: Need to suspend CA with an offline firmware upgrade
I susspended the replication and update was successfully.
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тАО11-17-2009 12:40 AM
тАО11-17-2009 12:40 AM
Re: Need to suspend CA with an offline firmware upgrade
Replication was halted and firmware upgrades succeeded.