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09-03-2014 10:12 AM
09-03-2014 10:12 AM
Here's the odd question of the day.
I've got this one volume that is showing some weird stats where the used space is greater than the volume size.
CS220 is running NOS 2.1.4.
Nimble volume - 70 GB
ESXi DataStore - 70 GB
Windows volume size created on datastore - 60 GB
The volume is simply a file store on an SFTP server so there's a lot of data churn going on over time.
Volume Info:
Performance policy: VMware ESX
Block size (bytes): 4096
Reserve: 0.00%
Warn level: 90.00%
Quota: 100.00%
Snapshot reserve: 0.00%
Snapshot warn level: N/A
Snapshot quota: unlimited
Snapshot count: 2
Volume usage (MB): 109350
Volume compression: 1.02X
Volume space saved (MB): 2659
Snapshot usage (MB): 12748
Snapshot compression: 1.03X
Snapshot space reduction: 14.45X
Snapshot space saved (MB): 171507
How can a volume sized ~ 70 GB and showing a usage size of ~106 GB be saving 2.6 GB of space? Is there any way to 'fix' this oddity other than create another volume and just move the data?
Solved! Go to Solution.
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09-04-2014 09:33 AM
09-04-2014 09:33 AM
Re: Volume space used > Volume size?
Randy are you seeing the volume usage stats in the web gui or Infosight or both?
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09-04-2014 12:43 PM
09-04-2014 12:43 PM
Re: Volume space used > Volume size?
I see the same stats in the Web GUI, InfoSight, and CLI.
The downstream replication partner has more normal stats, showing 58 GB used on the 70 GB volume.
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09-04-2014 08:42 PM
09-04-2014 08:42 PM
Re: Volume space used > Volume size?
Are there any orphaned snapshots?
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09-05-2014 06:43 AM
09-05-2014 06:43 AM
Re: Volume space used > Volume size?
No orphaned snapshots. I only snap once a week and keep 2.
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09-05-2014 06:50 AM
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09-05-2014 07:09 AM
09-05-2014 07:09 AM
Re: Volume space used > Volume size?
Todd, thanks for the tips. I've run through the esxcli storage vmfs unmap command earlier with no luck. I guess I'll see if I can 'stump the support tech' next.
-Randy
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09-08-2014 09:43 AM
09-08-2014 09:43 AM
Re: Volume Space Used Larger Than Volume Size?
Hey Randy,
Were you able to get your issue fully resolved?
Thanks, Michael
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09-16-2014 03:28 PM
09-16-2014 03:28 PM
Re: Volume Space Used Larger Than Volume Size?
I ended up opening a support ticket to solve this one. Thank you Josh@Nimble.
Cause - not exactly sure. Somewhere something got out of sync and locked a bunch of blocks on the volume that can only be cleared by deleting the volume.
Solution - Storage vMotion the volume to another datastore. Unmounted and detached the offending volume following VMware best practices and then deleted it from Nimble. Recreated the volume on my Nimble, created the datastore and then vMotioned the vmdk back.
- Randy