[Gluster-users] Replacing brick in replicated volume without reducing redundancy?

[Stefan]

Thanks, that sounds interesting. From what I understand, arbiter setups only support multiple-of-2 data bricks, but maybe it's possible to replace the arbiter with a data brick, then replace the old data brick with an arbiter again. 

Stefan 

> From: "Strahil Nikolov" <hunter86_bg at yahoo.com>
> To: "gluster-users" <gluster-users at gluster.org>, "Stefan"
> <gluster at stefanseidel.info>
> Sent: Tuesday, 7 January, 2020 10:18:11
> Subject: Re: [Gluster-users] Replacing brick in replicated volume without
> reducing redundancy?

> I'm not sure if you can increase (and later decrease) the replica count without
> stopping the volume.
> Have you checked that as an option ?

> Best Regards,
> Strahil Nikolov

> В вторник, 7 януари 2020 г., 3:58:11 ч. Гринуич-5, Stefan
> <gluster at stefanseidel.info> написа:

> Hi,

> I am looking to replace a brick in a replicated volume with arbiter (2+1
> bricks).
> Judging from this page: [
> https://docs.gluster.org/en/latest/Administrator%20Guide/Managing%20Volumes/#replace-brick
> |
> https://docs.gluster.org/en/latest/Administrator%20Guide/Managing%20Volumes/#replace-brick
> ]
> it seems that the procedure is: simulate a brick failure, then add a replacement
> brick.

> Is that the only way to do it? Isn't there a way to migrate the data on the fly
> without running on reduced redundancy during the migration, like pvmove exists
> for LVM?

> Thanks,

> Stefan
> ________

> Community Meeting Calendar:

> APAC Schedule -
> Every 2nd and 4th Tuesday at 11:30 AM IST
> Bridge: [ https://bluejeans.com/441850968 | https://bluejeans.com/441850968 ]

> NA/EMEA Schedule -
> Every 1st and 3rd Tuesday at 01:00 PM EDT
> Bridge: [ https://bluejeans.com/441850968 | https://bluejeans.com/441850968 ]

> Gluster-users mailing list
> [ mailto:Gluster-users at gluster.org | Gluster-users at gluster.org ]
> [ https://lists.gluster.org/mailman/listinfo/gluster-users |
> https://lists.gluster.org/mailman/listinfo/gluster-users ]
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.gluster.org/pipermail/gluster-users/attachments/20200107/13cc8caa/attachment.html>