search for: 4x11t

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2018 Feb 26
2
Quorum in distributed-replicate volume
...bricks which are not in (cluster-wide) quorum refuse to accept writes? I'm not seeing the reason for using individual subvolume quorums instead of full-volume quorum. > It would be great if you can consider configuring an arbiter or > replica 3 volume. I can. My bricks are 2x850G and 4x11T, so I can repurpose the small bricks as arbiters with minimal effect on capacity. What would be the sequence of commands needed to: 1) Move all data off of bricks 1 & 2 2) Remove that replica from the cluster 3) Re-add those two bricks as arbiters (And did I miss any additional steps?) Unfo...
2018 Feb 27
0
Quorum in distributed-replicate volume
...file, quorum is met, and now brick 1 says brick 2 is bad - When both the bricks 1 & 2 are up, both of them blame the other brick - *split-brain* > > > It would be great if you can consider configuring an arbiter or > > replica 3 volume. > > I can. My bricks are 2x850G and 4x11T, so I can repurpose the small > bricks as arbiters with minimal effect on capacity. What would be the > sequence of commands needed to: > > 1) Move all data off of bricks 1 & 2 > 2) Remove that replica from the cluster > 3) Re-add those two bricks as arbiters > > (And d...
2018 Feb 27
2
Quorum in distributed-replicate volume
...cluster > wide quorum: Yep, the explanation made sense. I hadn't considered the possibility of alternating outages. Thanks! > > > It would be great if you can consider configuring an arbiter or > > > replica 3 volume. > > > > I can. My bricks are 2x850G and 4x11T, so I can repurpose the small > > bricks as arbiters with minimal effect on capacity. What would be the > > sequence of commands needed to: > > > > 1) Move all data off of bricks 1 & 2 > > 2) Remove that replica from the cluster > > 3) Re-add those two brick...
2018 Feb 26
0
Quorum in distributed-replicate volume
Hi Dave, On Mon, Feb 26, 2018 at 4:45 PM, Dave Sherohman <dave at sherohman.org> wrote: > I've configured 6 bricks as distributed-replicated with replica 2, > expecting that all active bricks would be usable so long as a quorum of > at least 4 live bricks is maintained. > The client quorum is configured per replica sub volume and not for the entire volume. Since you have a
2018 Feb 27
0
Quorum in distributed-replicate volume
...p, the explanation made sense. I hadn't considered the possibility of > alternating outages. Thanks! > > > > > It would be great if you can consider configuring an arbiter or > > > > replica 3 volume. > > > > > > I can. My bricks are 2x850G and 4x11T, so I can repurpose the small > > > bricks as arbiters with minimal effect on capacity. What would be the > > > sequence of commands needed to: > > > > > > 1) Move all data off of bricks 1 & 2 > > > 2) Remove that replica from the cluster > >...
2018 Feb 26
2
Quorum in distributed-replicate volume
I've configured 6 bricks as distributed-replicated with replica 2, expecting that all active bricks would be usable so long as a quorum of at least 4 live bricks is maintained. However, I have just found http://docs.gluster.org/en/latest/Administrator%20Guide/Split%20brain%20and%20ways%20to%20deal%20with%20it/ Which states that "In a replica 2 volume... If we set the client-quorum