[Gluster-users] Data migration and rebalance

[Jonathan Lefman]

At the same time, when looking at the rebalance log, it appears that the
rebalance is still going on in the background because I am seeing entries
related to rebalancing.  However, the detail status command shows that the
distribution for files is still stable on the older nodes.



On Fri, Nov 23, 2012 at 1:10 PM, Jonathan Lefman <jonathan.lefman at essess.com
> wrote:

> Volume type:
>
> non-replicated, 29 nodes, xfs formats
>
> Number of files/directories:
>
> There are about 5000-10000 directories
>
> Average size of files:
>
> There are two distributions of files:  a vast majority of files is around
> 200-300 kilobytes, with about 1000-fold fewer files with a size around 1
> gigabyte
>
> Average number of files per directory:
>
> Around 1800 files per directory
>
> glusterd log below:
>
> When trying
>
> sudo gluster volume rebalance essess_data status
>
> OR
>
> sudo gluster volume status myvol
> operation failed
>
> Log for this time from /var/log/glusterfs/etc-glusterfs-glusterd.vol.log:
>
> [2012-11-23 13:05:00.489567] E
> [glusterd-handler.c:458:glusterd_op_txn_begin] 0-management: Unable to
> acquire local lock, ret: -1
> [2012-11-23 13:07:09.102007] I
> [glusterd-handler.c:2670:glusterd_handle_status_volume] 0-management:
> Received status volume req for volume essess_data
> [2012-11-23 13:07:09.102056] E [glusterd-utils.c:277:glusterd_lock]
> 0-glusterd: Unable to get lock for uuid:
> ee33fd05-135e-40e7-a157-3c1e0b9be073, lock held by:
> ee33fd05-135e-40e7-a157-3c1e0b9be073
> [2012-11-23 13:07:09.102073] E
> [glusterd-handler.c:458:glusterd_op_txn_begin] 0-management: Unable to
> acquire local lock, ret: -1
>
>
>
>
> On Fri, Nov 23, 2012 at 12:58 PM, Vijay Bellur <vbellur at redhat.com> wrote:
>
>> On 11/23/2012 11:14 PM, Jonathan Lefman wrote:
>>
>>> The rebalance command has run for quite a while.  Now when I issue the
>>> rebalance status command,
>>>
>>> sudo gluster volume rebalance myvol status
>>>
>>> I get nothing back; just a return to the command prompt.  Any ideas of
>>> what is going on?
>>>
>>>
>> A few questions:
>>
>> - What is your volume type?
>> - How many files and directories do you have in your volume?
>> - What is the average size of files?
>> - What is the average number of files per directory?
>> - Can you please share glusterd logs from the time when the command
>> returns without displaying any output?
>>
>> Thanks,
>> Vijay
>>
>>
>
>
> --
> *Jonathan Lefman, Ph.D.*
> *ē**ssess, Inc.*
> 25 Thomson Place, Suite 460, Boston, MA 02210
> o: 415-361-5488 x121 | e: jonathan.lefman at essess.com | *www.essess.com*
>
>


-- 
*Jonathan Lefman, Ph.D.*
*ē**ssess, Inc.*
25 Thomson Place, Suite 460, Boston, MA 02210
o: 415-361-5488 x121 | e: jonathan.lefman at essess.com | *www.essess.com*
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