[Gluster-users] df does not show full volume capacity after update to 3.12.4

Nithya Balachandran nbalacha at redhat.com
Wed Jan 31 05:17:12 UTC 2018


Hi Eva,

One more question. What version of gluster were you running before the
upgrade?

Thanks,
Nithya

On 31 January 2018 at 09:52, Nithya Balachandran <nbalacha at redhat.com>
wrote:

> Hi Eva,
>
> Can you send us the following:
>
> gluster volume info
> gluster volume status
>
> The log files and tcpdump for df on a fresh mount point for that volume.
>
> Thanks,
> Nithya
>
>
> On 31 January 2018 at 07:17, Freer, Eva B. <freereb at ornl.gov> wrote:
>
>> After OS update to CentOS 7.4 or RedHat 6.9 and update to Gluster 3.12.4,
>> the ‘df’ command shows only part of the available space on the mount point
>> for multi-brick volumes. All nodes are at 3.12.4. This occurs on both
>> servers and clients.
>>
>>
>>
>> We have 2 different server configurations.
>>
>>
>>
>> Configuration 1: A distributed volume of 8 bricks with 4 on each server.
>> The initial configuration had 4 bricks of 59TB each with 2 on each server.
>> Prior to the update to CentOS 7.4 and gluster 3.12.4, ‘df’ correctly showed
>> the size for the volume as 233TB. After the update, we added 2 bricks with
>> 1 on each server, but the output of ‘df’ still only listed 233TB for the
>> volume. We added 2 more bricks, again with 1 on each server. The output of
>> ‘df’ now shows 350TB, but the aggregate of 8 – 59TB bricks should be ~466TB.
>>
>>
>>
>> Configuration 2: A distributed, replicated volume with 9 bricks on each
>> server for a total of ~350TB of storage. After the server update to RHEL
>> 6.9 and gluster 3.12.4, the volume now shows as having 50TB with ‘df’. No
>> changes were made to this volume after the update.
>>
>>
>>
>> In both cases, examining the bricks shows that the space and files are
>> still there, just not reported correctly with ‘df’. All machines have been
>> rebooted and the problem persists.
>>
>>
>>
>> Any help/advice you can give on this would be greatly appreciated.
>>
>>
>>
>> Thanks in advance.
>>
>> Eva Freer
>>
>>
>> _______________________________________________
>> Gluster-users mailing list
>> Gluster-users at gluster.org
>> http://lists.gluster.org/mailman/listinfo/gluster-users
>>
>
>
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