Each shard is a separate file of size equal to value of "features.shard-block-size". So when a brick/node was down, only those shards belonging to the VM that were modified will be sync'd later when the brick's back up. Does that answer your question?
-Krutika On Wed, Mar 27, 2019 at 7:48 PM Sahina Bose <sab...@redhat.com> wrote: > On Wed, Mar 27, 2019 at 7:40 PM Indivar Nair <indivar.n...@techterra.in> > wrote: > > > > Hi Strahil, > > > > Ok. Looks like sharding should make the resyncs faster. > > > > I searched for more info on it, but couldn't find much. > > I believe it will still have to compare each shard to determine whether > there are any changes that need to be replicated. > > Am I right? > > +Krutika Dhananjay > > > > Regards, > > > > Indivar Nair > > > > > > > > On Wed, Mar 27, 2019 at 4:34 PM Strahil <hunter86...@yahoo.com> wrote: > >> > >> By default ovirt uses 'sharding' which splits the files into logical > chunks. This greatly reduces healing time, as VM's disk is not always > completely overwritten and only the shards that are different will be > healed. > >> > >> Maybe you should change the default shard size. > >> > >> Best Regards, > >> Strahil Nikolov > >> > >> On Mar 27, 2019 08:24, Indivar Nair <indivar.n...@techterra.in> wrote: > >> > >> Hi All, > >> > >> We are planning a 2 + 1 arbitrated mirrored Gluster setup. > >> We would have around 50 - 60 VMs, with an average 500GB disk size. > >> > >> Now in case one of the Gluster Nodes go completely out of sync, > roughly, how long would it take to resync? (as per your experience) > >> Will it impact the working of VMs in any way? > >> Is there anything to be taken care of, in advance, to prepare for such > a situation? > >> > >> Regards, > >> > >> > >> Indivar Nair > >> > > _______________________________________________ > > Users mailing list -- users@ovirt.org > > To unsubscribe send an email to users-le...@ovirt.org > > Privacy Statement: https://www.ovirt.org/site/privacy-policy/ > > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/WZW5RRVHFRMAIBUZDUSTXTIF4Z4WW5Y5/ >
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