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Many thanks you just saved my day ! I was extending our mesh network (with wg-meshconf) and I switched to ifupdown2 to ease new configuration handling. I began to have erratic behavior until I find your post. I tried your solution: I use 2 bridges (with different mtu) so I added 2 others patched...

Thank you for the ideas and suggestions for improvement and some encouraging news: First on my first cluster I tried in datacenter.cfg : bwlimit: move=25600,restore=25600 and now I can "live" move disk without perturbation. On the second cluster (the one with TrueNAS 12) I tried in...

Not in my case there is two dedicated network using different switches and different TrueNAS with NFS: san: MTU 9000, tagged vlan, 2 x 1 Gbps bond for storing VM disks management: 2 x 1 Gbps bond for storing backups I'll try the i/o limitation but how to set it ? Do you mean the global...

As i didn't upgrade the pool I was able to step back to TrueNAS 12.0-U8.1 and problems is almost «fixed»: I rub backup job but most of them are not usable during the backup which occur as reasonable speed (1 to 2 minutes for 1 Gb) and everything recover at the end of the backup. Since the...

Hello, do you use TrueNAS 13 ? I also have some problems with NFS and PVE 8, see https://forum.proxmox.com/threads/vms-hung-after-backup.137286/page-3#post-637026

During backup or disk move VM is slowed down. Sometime is is barely usable (ping increase up to 1 to 4 seconds, vnc console is hashed, vm with corosync loose links, etc.). After backup (or disk move) everything is back to normal immediately. Nothing except on TrueNAS log: every pve host request...

Hello, I have a similar problem since I migrated to version 8 (see https://forum.proxmox.com/threads/severe-performance-regression-on-virtual-disk-migration-for-qcow2-on-zfs -with-5-15-39-2-pve.123639/post-635590) Our environment includes 2 clusters and 3 TrueNAS with NFS. The problem is clearly...

It is TrueNAS 13.0-U6.1: zfs-2.1.14-1 zfs-kmod-v2023120100-zfs_f4871096b But I did not activate the new features yet. I checked the backups and there are still slowness issues compared to before and many weird results: OS Hardware Virtio Guest Disk...

Many many many thanks for that one ! I was becoming mad since a week... I made a mistake last week as I made two different upgrades in the same time: I upgraded PVE 7 to 8 and TrueNAS 12 to 13. Everything went ok (except lost of connectivity with ifupdown2, perhaps I forgot to read some release...

Just for feedback: after upgrading and rebooted all left nodes the ghost task disappeared... Thanks.

Hello; I have a node which is out of order (hardware problem). I will see later if I can repair it but meanwhile it is still in the cluster (seen offline) with a «running» ghost backup task I cannot stop. Is there a way to delete these task which does not exist anymore ?