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тАО04-12-2013 07:50 PM
тАО04-12-2013 07:50 PM
Hello everyone,
Got a EVA 4400 disk group which is 95% allocated. Want to reduce the size of a virtual disk under this group to bring it under 90%. The vdisk is an RDM being utilised by a SQL server box running on Win 2008. I intend to shrink the volume on the 2008 server first (clustered NTFS disk) and then decrease allocated capacity on SAN through command view.
First time doing this and wondering if anyone can see any potential issues please?
Thanks in advance...
Solved! Go to Solution.
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тАО04-14-2013 05:17 AM
тАО04-14-2013 05:17 AM
Re: Reduce disk group size
Hi
what you say is correct but make sure you have a good backup shrinking a disk is always a risk
Regrards
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тАО04-14-2013 10:40 PM
тАО04-14-2013 10:40 PM
Re: Reduce disk group size
Thank you for the response. Would it be worthwhile running a defrag of the disks in question before shrinking?
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тАО04-15-2013 05:01 AM
тАО04-15-2013 05:01 AM
Re: Reduce disk group size
Hi
I think defrage is run automticly by windows 2008.
as I said before anything have a good backup.
Regards
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тАО04-15-2013 05:36 AM
тАО04-15-2013 05:36 AM
SolutionRegardless, make sure the volume is as defragged as you can get it.
1 Defrag and backup
2 shrink on 2008
3 shrink on EVA
Be VERY careful not to shrink on EVA smaller than partition size in 2008.
In the past, I have noticed that if I
1 create, present and format a vdisk
2 enlarge the vdisk
3 enlarge the partition
4 shrink the partition
the partition is still slightly larger that what was initially created.
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