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04-18-2017 05:55 AM - edited 04-18-2017 05:58 AM
04-18-2017 05:55 AM - edited 04-18-2017 05:58 AM
how to online remove a disk cage
Hi Everyone,
IHAC has a knotty requirement about removing one disk cage.
Environment: 3par 7400 with two disk cage(0&1). OS: 3.2.2
This 3par is low space utilized. The customer want to re-allocate the used space into cage0. Then remove cage 1, and re-arrange it to another 3par storage. So the question is how to remove the cage 1, since the chunklets have spreaded to all the disks.
My plan is:
1) create a new CPG with -cg option to specify the cage 0
2) tunevv, put all the VVs into the new CPG
3) dismisspd all disks in the cage1
4) the physical cable dis-connect
Is my plan workable? Is the tunevv operation non-distruptive?
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04-21-2017 12:09 AM
04-21-2017 12:09 AM
Re: how to online remove a disk cage
Hello,
please tell us more about the 3PAR 7400. Is this a 7400-2 or a 7400-4 Node system? If it is a 4 Node system then you have 2 Controller shelfs. You can't remove a Controllershelf.
Thomas
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04-22-2017 06:14 PM
04-22-2017 06:14 PM
Re: how to online remove a disk cage
Please provide showcage and showpd output.
If you only have one cage, you would have to create your CPG with -ha mag.