Yes AFR's self healing ability is the best approach. Alternatively, if you have no write activity or willing to suffer a downtime, you can use "cpio" to copy across volumes. "cpio" copies extended attributes as well. -- Anand Babu Periasamy GPG Key ID: 0x62E15A31 Blog [http://ab.freeshell.org] The GNU Operating System [http://www.gnu.org] Z RESEARCH Inc [http://www.zresearch.com] Michael Messig wrote: > We also considered such an approach, but could not be sure if this would > cause problems... It would definitely be an ideal way to restore a node > to maintain data integrity! > > Any light on that would be great! > > Mike > > Keith Freedman wrote: >> Raghavendra, >> >> I didn't chime in cause I wasn't sure this would work, but what I >> always envisioned in a similar situation is the following.. would >> this work?: >> >> set up a new node as a 2nd AFR node with an empty filesystem under >> gluster. >> run the find/head command and gluster will realize the local >> filesystem is behind on everything and will AFR the whole tree? >> >> To me, if this would work without risking data loss, this is an ideal >> way to restore a node. >> >> ?? >> Keith >> >> >> >> At 08:44 PM 8/10/2008, Raghavendra G wrote: >>> Hi michael, >>> some are inlined. >>> >>> On Mon, Aug 11 2008 at 5:29 AM, Michael Messig >>> <<mailto:michael.messig at sitepoint.com>michael.messig at sitepoint.com> >>> wrote: >>> Hi Guys, >>> >>> I have two nodes set up using afr. Overnight the first machine died and >>> i've had to rebuild it based on a copy of the second machine (they are >>> both vm's). >>> >>> >>> after rebuild, are the both nodes identical? If so, did you set >>> extended attributes appropriately for the files you repaired or >>> created (afr uses extended attributes to synchronise >>> files/directories b/w its children). >>> >>> Is there anything bad that will happen if I start the >>> rebuilt first machine (i've changed the configuration accordingly)? >>> >>> >>> Did you change the glusterfs configuration? If so, can you send the >>> configuration files before and after the failure? >>> >>> I.e >>> will gluster just pick up on its merry way, get all the updates from the >>> second machine that have occured since the copy and not destroy the >>> filesystem? >>> >>> Thanks! >>> >>> Mike >>> >>> _______________________________________________ >>> Gluster-users mailing list >>> <mailto:Gluster-users at gluster.org>Gluster-users at gluster.org >>> http://zresearch.com/cgi-bin/mailman/listinfo/gluster-users >>> >>> >>> >>> >>> -- >>> Raghavendra G >>> >>> A centipede was happy quite, until a toad in fun, >>> Said, "Prey, which leg comes after which?", >>> This raised his doubts to such a pitch, >>> He fell flat into the ditch, >>> Not knowing how to run. >>> -Anonymous >>> _______________________________________________ >>> Gluster-users mailing list >>> Gluster-users at gluster.org >>> http://zresearch.com/cgi-bin/mailman/listinfo/gluster-users > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://zresearch.com/cgi-bin/mailman/listinfo/gluster-users >
