[Gluster-users] Rebalance task fails

[Szymon Miotk]

Hi Nithya,

the files were sent to priv to avoid spamming the list with large attachments.
Could someone explain what is index in Gluster?
Unfortunately index is popular word, so googling is not very helpful.

Best regards,
Szymon Miotk

On Sun, Jul 9, 2017 at 6:37 PM, Nithya Balachandran <nbalacha at redhat.com> wrote:
>
> On 7 July 2017 at 15:42, Szymon Miotk <szymon.miotk at gmail.com> wrote:
>>
>> Hello everyone,
>>
>>
>> I have problem rebalancing Gluster volume.
>> Gluster version is 3.7.3.
>> My 1x3 replicated volume become full, so I've added three more bricks
>> to make it 2x3 and wanted to rebalance.
>> But every time I start rebalancing, it fails immediately.
>> Rebooting Gluster nodes doesn't help.
>>
>> # gluster volume rebalance  gsae_artifactory_cluster_storage start
>> volume rebalance: gsae_artifactory_cluster_storage: success: Rebalance
>> on gsae_artifactory_cluster_storage has been started successfully. Use
>> rebalance status command to check status of the rebalance process.
>> ID: b22572ff-7575-4557-8317-765f7e52d445
>>
>> # gluster volume rebalance  gsae_artifactory_cluster_storage status
>>                                     Node Rebalanced-files
>> size       scanned      failures       skipped               status
>> run time in secs
>>                                ---------      -----------
>> -----------   -----------   -----------   -----------
>> ------------     --------------
>>                                localhost                0
>> 0Bytes             0             0             0               failed
>>              0.00
>>                              10.239.40.9                0
>> 0Bytes             0             0             0               failed
>>              0.00
>>                              10.239.40.8                0
>> 0Bytes             0             0             0               failed
>>              0.00
>> volume rebalance: gsae_artifactory_cluster_storage: success:
>>
>> The messages in logfiles mention 'failed to get index':
>> [2017-07-07 10:07:18.230202] E [MSGID: 106062]
>> [glusterd-utils.c:7997:glusterd_volume_rebalance_use_rsp_dict]
>> 0-glusterd: failed to get index
>>
>> and then the rebalance process crashes:
>> pending frames:
>> frame : type(0) op(0)
>> frame : type(0) op(0)
>> frame : type(0) op(0)
>> patchset: git://git.gluster.com/glusterfs.git
>> signal received: 4
>> time of crash:
>> 2017-07-07 10:07:23
>> configuration details:
>> argp 1
>> backtrace 1
>> dlfcn 1
>> libpthread 1
>> llistxattr 1
>> setfsid 1
>> spinlock 1
>> epoll.h 1
>> xattr.h 1
>> st_atim.tv_nsec 1
>> package-string: glusterfs 3.7.3
>>
>> /usr/lib/x86_64-linux-gnu/libglusterfs.so.0(_gf_msg_backtrace_nomem+0x92)[0x7f24de214502]
>>
>> /usr/lib/x86_64-linux-gnu/libglusterfs.so.0(gf_print_trace+0x31d)[0x7f24de23059d]
>> /lib/x86_64-linux-gnu/libc.so.6(+0x36d40)[0x7f24dd612d40]
>> /lib/x86_64-linux-gnu/libpthread.so.0(+0x11f6b)[0x7f24dd9b2f6b]
>>
>> /usr/lib/x86_64-linux-gnu/libglusterfs.so.0(inode_ref+0x19)[0x7f24de234e69]
>> /usr/lib/x86_64-linux-gnu/libglusterfs.so.0(loc_copy+0x4a)[0x7f24de21291a]
>>
>> /usr/lib/x86_64-linux-gnu/glusterfs/3.7.3/xlator/cluster/distribute.so(dht_local_init+0x4b)[0x7f24d851f51b]
>>
>> /usr/lib/x86_64-linux-gnu/glusterfs/3.7.3/xlator/cluster/distribute.so(dht_lookup+0x91)[0x7f24d8550521]
>>
>> /usr/lib/x86_64-linux-gnu/libglusterfs.so.0(syncop_lookup+0x1a2)[0x7f24de258fc2]
>>
>> /usr/lib/x86_64-linux-gnu/glusterfs/3.7.3/xlator/cluster/distribute.so(gf_defrag_fix_layout+0x87)[0x7f24d85289e7]
>>
>> /usr/lib/x86_64-linux-gnu/glusterfs/3.7.3/xlator/cluster/distribute.so(gf_defrag_start_crawl+0x6d3)[0x7f24d8529ce3]
>>
>> /usr/lib/x86_64-linux-gnu/libglusterfs.so.0(synctask_wrap+0x12)[0x7f24de255822]
>> /lib/x86_64-linux-gnu/libc.so.6(+0x498b0)[0x7f24dd6258b0]
>>
>>
>> Anybody has a clue how to fix 'failed to get index' error?
>
>
> Do you have the coredump? If yes, please send that and the rebalance logs
> across.
>
> Regards,
> Nithya
>>
>>
>> Thank you in advance!
>> Szymon Miotk
>> _______________________________________________
>> Gluster-users mailing list
>> Gluster-users at gluster.org
>> http://lists.gluster.org/mailman/listinfo/gluster-users
>
>