I see some entries that are not good:

[2022-09-11 03:50:26.131393 +0000] W [MSGID: 108001] [afr-transaction.c:1016:afr_handle_quorum] 0-gv1-replicate-0: 228740f8-1d14-4253-b95b-47e5feb6a3cc: Failing WRITE as quorum is not met [Invalid argument]


When the backup goes , what is the output of 'gluster pool list'?

Which gluster version are you using:
rpm -qa | grep gluster

Is it possible to rate limit the backup ?

Best Regards,
Strahil Nikolov 

On Mon, Sep 12, 2022 at 19:22, Diego Ercolani
<diego.ercolani@ssis.sm> wrote:
Hello. I did a full backup using veeam but I recorded many errors in the gluster log.
This is the log (https://cloud.ssis.sm/index.php/s/KRimf5MLXK3Ds3d). The log is from the same node where veeam-proxy and the backupped VMs resides.
Both are running in the gv1 storage domain.

See that hours are reported in GMT and the backup started at 15:55:48 GMT and ended at 16:04:35.
The log is full of errors that I cannot understand:
...
[2022-09-12 15:56:24.983887 +0000] W [MSGID: 114031] [client-rpc-fops_v2.c:2620:client4_0_lookup_cbk] 0-gv1-client-2: remote operation failed. [{path=<gfid:2ca980cf-3cda-4f56-84bd-c089cdeb5878>}, {gfid=2ca980cf-3cda-4f56-84bd-c089cdeb5878}, {errno=2}, {error=No such file or directory}]
...
[2022-09-12 15:56:42.570987 +0000] W [fuse-bridge.c:2979:fuse_readv_cbk] 0-glusterfs-fuse: 891795: READ => -1 gfid=2906fff6-2292-451c-879c-547e189d0bb3 fd=0x55b916d199b8 (Invalid argument)
...

e.g.
[root@ovirt-node3 ~]# mount -t glusterfs -o aux-gfid-mount,ro ovirt-node2.ovirt:/gv1 /mnt/
[root@ovirt-node3 ~]# gluster volume set gv1 build-pgfid on
volume set: success
[root@ovirt-node3 ~]# getfattr -n glusterfs.ancestry.path -e text /mnt/.gfid/2ca980cf-3cda-4f56-84bd-c089cdeb5878
getfattr: /mnt/.gfid/2ca980cf-3cda-4f56-84bd-c089cdeb5878: No such file or directory
[root@ovirt-node3 ~]# getfattr -n glusterfs.ancestry.path -e text /mnt/.gfid/2906fff6-2292-451c-879c-547e189d0bb3
getfattr: /mnt/.gfid/2906fff6-2292-451c-879c-547e189d0bb3: No such file or directory
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