I have not done the upgrade yet. Since this is a production cluster I need to make sure it stays up or schedule some downtime if it doesn't doesn't. Thanks. On Tue, Dec 19, 2017 at 10:11 AM, Atin Mukherjee <amukherj@xxxxxxxxxx> wrote: > > > On Tue, Dec 19, 2017 at 1:10 AM, Ziemowit Pierzycki <ziemowit@xxxxxxxxxxxxx> > wrote: >> >> Hi, >> >> I have a cluster of 10 servers all running Fedora 24 along with >> Gluster 3.8. I'm planning on doing rolling upgrades to Fedora 27 with >> Gluster 3.12. I saw the documentation and did some testing but I >> would like to run my plan through some (more?) educated minds. >> >> The current setup is: >> >> Volume Name: vol0 >> Distributed-Replicate >> Number of Bricks: 2 x (2 + 1) = 6 >> Bricks: >> Brick1: glt01:/vol/vol0 >> Brick2: glt02:/vol/vol0 >> Brick3: glt05:/vol/vol0 (arbiter) >> Brick4: glt03:/vol/vol0 >> Brick5: glt04:/vol/vol0 >> Brick6: glt06:/vol/vol0 (arbiter) >> >> Volume Name: vol1 >> Distributed-Replicate >> Number of Bricks: 2 x (2 + 1) = 6 >> Bricks: >> Brick1: glt07:/vol/vol1 >> Brick2: glt08:/vol/vol1 >> Brick3: glt05:/vol/vol1 (arbiter) >> Brick4: glt09:/vol/vol1 >> Brick5: glt10:/vol/vol1 >> Brick6: glt06:/vol/vol1 (arbiter) >> >> After performing the upgrade because of differences in checksums, the >> upgraded nodes will become: >> >> State: Peer Rejected (Connected) > > > Have you upgraded all the nodes? If yes, have you bumped up the > cluster.op-version after upgrading all the nodes? Please follow : > http://docs.gluster.org/en/latest/Upgrade-Guide/op_version/ for more details > on how to bump up the cluster.op-version. In case you have done all of these > and you're seeing a checksum issue then I'm afraid you have hit a bug. I'd > need further details like the checksum mismatch error from glusterd.log file > along with the the exact volume's info file from > /var/lib/glusterd/vols/<volname>/info between both the peers to debug this > further. > >> >> If I start doing the upgrades one at a time, with nodes glt10 to glt01 >> except for the arbiters glt05 and glt06, and then upgrading the >> arbiters last, everything should remain online at all times through >> the process. Correct? >> >> Thanks. >> _______________________________________________ >> Gluster-users mailing list >> Gluster-users@xxxxxxxxxxx >> http://lists.gluster.org/mailman/listinfo/gluster-users > > _______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx http://lists.gluster.org/mailman/listinfo/gluster-users
