[Gluster-users] set: failed: Quorum not met. Volume operation not allowed.

[Karthik Subrahmanya]

Hi,

Since your two nodes are scrapped and there is no chance that they
will come back in later time, you can try reducing the replica count
to 1 by removing the down bricks from the volume and then mounting the
volume back to access the data which is available on the only up
brick.
The remove brick command looks like this:

gluster volume remove-brick VOLNAME replica 1
<ip-of-the-first-node-down>:/brick-path
<ip-of-the-second-node-down>:/brick-path force

Regards,
Karthik


On Thu, Aug 27, 2020 at 4:24 AM WK <wkmail at bneit.com> wrote:
>
> So we migrated a number of VMs from a small Gluster 2+1A volume to a newer cluster.
>
> Then a few days later the client said he wanted an old forgotten file that had been left behind on the the deprecated system.
>
> However the arbiter and one of the brick nodes had been scraped, leaving only a single gluster node.
>
> The volume I need uses shards so I am not excited about having to piece it back together.
>
> I powered it up the single node and tried to mount the volume and of course it refused to mount due to quorum and gluster volume status shows the volume offline
>
> In the past I had worked around this issue by disabling quorum, but that was years ago, so I googled it and found list messages suggesting the following:
>
>  gluster volume set VOL cluster.quorum-type none
>  gluster volume set VOL cluster.server-quorum-type none
>
> However, the gluster 6.9 system refuses to accept those set commands due to the quorum and spits out the set failed error.
>
> So in modern Gluster, what is the preferred method for starting and mounting a  single node/volume that was once part of a actual 3 node cluster?
>
> Thanks.
>
> -wk
>
>
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