Hi Nithya, thank you for involving EC group. I will wait for your suggestions.
Regards, Mauro > Il giorno 13 set 2018, alle ore 13:38, Nithya Balachandran > <[email protected]> ha scritto: > > This looks like an issue because rebalance switched to using fallocate which > EC did not have implemented at that point. > > @Pranith, @Ashish, which version of gluster had support for fallocate in EC? > > > Regards, > Nithya > > On 12 September 2018 at 19:24, Mauro Tridici <[email protected] > <mailto:[email protected]>> wrote: > Dear All, > > I recently added 3 servers (each one with 12 bricks) to an existing Gluster > Distributed Disperse Volume. > Volume extension has been completed without error and I already executed the > rebalance procedure with fix-layout option with no problem. > I just launched the rebalance procedure without fix-layout option, but, as > you can see in the output below, I noticed that some failures have been > detected. > > [root@s01 glusterfs]# gluster v rebalance tier2 status > Node Rebalanced-files size > scanned failures skipped status run time in h:m:s > --------- ----------- ----------- > ----------- ----------- ----------- ------------ > -------------- > localhost 71176 3.2MB > 2137557 1530391 8128 in progress 13:59:05 > s02-stg 0 0Bytes > 0 0 0 completed 11:53:28 > s03-stg 0 0Bytes > 0 0 0 completed 11:53:32 > s04-stg 0 0Bytes > 0 0 0 completed 0:00:06 > s05-stg 15 0Bytes > 17055 0 18 completed 10:48:01 > s06-stg 0 0Bytes > 0 0 0 completed 0:00:06 > Estimated time left for rebalance to complete : 0:46:53 > volume rebalance: tier2: success > > In the volume rebalance log file, I detected a lot of error messages similar > to the following ones: > > [2018-09-12 13:15:50.756703] E [MSGID: 0] > [dht-rebalance.c:1696:dht_migrate_file] 0-tier2-dht: Create dst failed on - > tier2-disperse-6 for file - > /CSP/sp1/CESM/archive/sps_200508_003/atm/hist/postproc/sps_200508_003.cam.h0.2005-12_grid.nc > <http://sps_200508_003.cam.h0.2005-12_grid.nc/> > [2018-09-12 13:15:50.757025] E [MSGID: 109023] > [dht-rebalance.c:2733:gf_defrag_migrate_single_file] 0-tier2-dht: > migrate-data failed for > /CSP/sp1/CESM/archive/sps_200508_003/atm/hist/postproc/sps_200508_003.cam.h0.2005-12_grid.nc > <http://sps_200508_003.cam.h0.2005-12_grid.nc/> > [2018-09-12 13:15:50.759183] E [MSGID: 109023] > [dht-rebalance.c:844:__dht_rebalance_create_dst_file] 0-tier2-dht: fallocate > failed for > /CSP/sp1/CESM/archive/sps_200508_003/atm/hist/postproc/sps_200508_003.cam.h0.2005-09_grid.nc > <http://sps_200508_003.cam.h0.2005-09_grid.nc/> on tier2-disperse-9 > (Operation not supported) > [2018-09-12 13:15:50.759206] E [MSGID: 0] > [dht-rebalance.c:1696:dht_migrate_file] 0-tier2-dht: Create dst failed on - > tier2-disperse-9 for file - > /CSP/sp1/CESM/archive/sps_200508_003/atm/hist/postproc/sps_200508_003.cam.h0.2005-09_grid.nc > <http://sps_200508_003.cam.h0.2005-09_grid.nc/> > [2018-09-12 13:15:50.759536] E [MSGID: 109023] > [dht-rebalance.c:2733:gf_defrag_migrate_single_file] 0-tier2-dht: > migrate-data failed for > /CSP/sp1/CESM/archive/sps_200508_003/atm/hist/postproc/sps_200508_003.cam.h0.2005-09_grid.nc > <http://sps_200508_003.cam.h0.2005-09_grid.nc/> > [2018-09-12 13:15:50.777219] E [MSGID: 109023] > [dht-rebalance.c:844:__dht_rebalance_create_dst_file] 0-tier2-dht: fallocate > failed for > /CSP/sp1/CESM/archive/sps_200508_003/atm/hist/postproc/sps_200508_003.cam.h0.2006-01_grid.nc > <http://sps_200508_003.cam.h0.2006-01_grid.nc/> on tier2-disperse-10 > (Operation not supported) > [2018-09-12 13:15:50.777241] E [MSGID: 0] > [dht-rebalance.c:1696:dht_migrate_file] 0-tier2-dht: Create dst failed on - > tier2-disperse-10 for file - > /CSP/sp1/CESM/archive/sps_200508_003/atm/hist/postproc/sps_200508_003.cam.h0.2006-01_grid.nc > <http://sps_200508_003.cam.h0.2006-01_grid.nc/> > [2018-09-12 13:15:50.777676] E [MSGID: 109023] > [dht-rebalance.c:2733:gf_defrag_migrate_single_file] 0-tier2-dht: > migrate-data failed for > /CSP/sp1/CESM/archive/sps_200508_003/atm/hist/postproc/sps_200508_003.cam.h0.2006-01_grid.nc > <http://sps_200508_003.cam.h0.2006-01_grid.nc/> > > Could you please help me to understand what is happening and how to solve it? > > Our Gluster implementation is based on Gluster v.3.10.5 > > Thank you in advance, > Mauro > > > _______________________________________________ > Gluster-users mailing list > [email protected] <mailto:[email protected]> > https://lists.gluster.org/mailman/listinfo/gluster-users > <https://lists.gluster.org/mailman/listinfo/gluster-users> > ------------------------- Mauro Tridici Fondazione CMCC CMCC Supercomputing Center presso Complesso Ecotekne - Università del Salento - Strada Prov.le Lecce - Monteroni sn 73100 Lecce IT http://www.cmcc.it mobile: (+39) 327 5630841 email: [email protected]
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