Maybe something like:
gluster volume add-brick replica 4 arbiter 1 newbrick:/path-to-brick
Best Regards,
Strahil NikolovOn Jan 7, 2020 14:22, Stefan Seidel <[email protected]>
wrote:
>
> Doesn't seem to be working, at least not in a straightforward way:
>
> $ gluster volume add-brick backupv01
> host-06:/data/glusterfs/backupv01/brick06/gv0
> volume add-brick: failed: Incorrect number of bricks supplied 1 with count 3
>
> $ gluster volume add-brick backupv01 replica 3 arbiter 1
> host-06:/data/glusterfs/backupv01/brick06/gv0
> volume add-brick: failed: Operation failed
>
> (Probably because replica 3 arbiter 1 is the same as replica 2 arbiter 1)
>
> Stefan
>
> ________________________________
>>
>> From: "Stefan" <[email protected]>
>> To: "Strahil Nikolov" <[email protected]>
>> Cc: "gluster-users" <[email protected]>
>> Sent: Tuesday, 7 January, 2020 11:22:02
>> Subject: Re: [Gluster-users] Replacing brick in replicated volume without
>> reducing redundancy?
>>
>> 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" <[email protected]>
>>> To: "gluster-users" <[email protected]>, "Stefan"
>>> <[email protected]>
>>> 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
>>> <[email protected]> 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
>>> 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
>>> ________
>>>
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