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CarlosRomero
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January 21st, 2013 12:00
Can i migrate a LUN on a NAS using Lun Migration
Hello all,
I know that a Lun in a storage group (NAS storage group) can be migrated using Lun Migration (at least i think so applying the theory). Now my concern is the behavior of the NAS. Because the NAS take the lun and assign a disk,volume, slice and such.
So if a migrate a LUN of 300GB to a LUN of 600GB what happen with the extra space on the NAS, the NAS just make a new structure for the new space and apply it to the storage pool?
Is there any documentation regarding this subject?
Any information or clarification on this matter will be greatly appreciated.
Regards.
CarlosRomero
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Posted January 21st, 2013 14:00
It was an option to the client requirement, but I was concern of the implication that you just confirmed. Thanks
Rainer_EMC
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Posted January 28th, 2013 12:00
Do NOT change the size of a LUN used by the NAS (data mover) part – it isn’t able to recognize that and will actually not be able to recognize that LUN at all
If you need more space for your file systems just add LUNs and let AVM do the expansion on the NAS level – it will concat the additional space and increase the file system nicely
dynamox
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Posted January 21st, 2013 14:00
why are you trying to migrate it another LUN ? If you look at Celerra forums you will see folks from EMC recommend not to use LUN Migrator as it could cause diskmark issues.