[Gluster-users] NFS clients show missing files while gluster volume rebalanced

[Strahil Nikolov]

On January 30, 2020 2:20:34 AM GMT+02:00, Erik Jacobson <erik.jacobson at hpe.com> wrote:
>We are using gluster 4.1.6. We are using gluster NFS (not ganesha).
>
>Distributed/replicated with subvolume size 3 (6 total servers, 2
>subvols).
>
>The NFS clients use this for their root filesystem.
>
>When I add 3 more gluster servers to add one more subvolume to the
>storage volumes (so now subvolume size 3, 9 total servers, 3 total
>subvolumes), the process gets started. 
>
>ssh leader1 gluster volume add-brick cm_shared
>172.23.0.9://data/brick_cm_shared 172.23.0.10://data/brick_cm_shared
>172.23.0.11://data/brick_cm_shared
>
>then
>
>ssh leader1 gluster volume rebalance cm_shared start
>
>The re-balance works. 'gluster volume status' shows re-balance in
>progress.
>
>However, existing gluster-NFS clients now show missing files and I can
>no longer log into them (since NFS is their root). If you are logged
>in,
>you can find that libraries are missing and general unhappiness with
>random files now missing.
>
>Is accessing a volume that is in the process of being re-balanced not
>supported from a gluster NFS client? Or have I made an error?
>
>Thank you for any help,
>
>Erik
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Hi Erik,

Can you provide the volume info.
Also check the logs for the rebalance. There should be some valuable info on what is going on.

Best Regards,
Strahil Nikolov