On Wed, Feb 21, 2018 at 9:13 PM, Jeff Applewhite <jappl...@redhat.com> wrote:
> Hi All > > When you have a setup with 2 way replication + Arbiter backed by two > large RAID 6 volumes what happens when there is a disk failure and > rebuild in progress in one of those RAID sets from a client > perspective? > > Does the FUSE client know how to prioritize the quicker disk (the RAID > set that is not in rebuild)? If not could it be made smart in this > way? I ask because with large disks, rebuild priority could be set to > very fast on the controller card if Gluster can auto detect or in some > way work around the relatively slow performance from one of two > backends. The likelihood of having rebuilds in progress on two > different raid sets on two different servers is very low. > > Another way to state this is "is there some advantage we can gain from > having double replication (RAID 6 + Gluster file replication)?" > > Thanks, > > > Jeff Applewhite > I opened an issue sometime back with this and some other scenarios in mind: https://github.com/gluster/glusterfs/issues/363. -- Manoj _______________________________________________ > Gluster-devel mailing list > Gluster-devel@gluster.org > http://lists.gluster.org/mailman/listinfo/gluster-devel >
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