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I know. I run a PVE4 cluster with DRBD tech part of PVE-setup back then. Now I've to keep the nodes running after upgrading to PVE5.

Hi Philipp, I think the Lintec Proxmox 5 plugin build of DRBD contains an old DRBD version. It's v8.4.7 instead of v9.0. Now a Proxmox 5 node breaks configuration and functionalitity in an existing Proxmox4 cluster.... How can we solve this? Thanks in advance. Best Regards, Ruben Waitz...

A better solution: Enter the container 101 (example) from the host command prompt: root@pve01:~# pct enter 101 Inside the container enter: [root@ct101 ~]# rpm -e --nodeps udev [root@ct101 ~]# reboot This will remove the udev package. Problem is solved but not sure what the side effects are...

Please try this "semi optimal" work-around. Add the following line to /etc/pve/lxc/XXXX.conf at your hostnode. lxc.hook.stop: sh -c "pct mount ${LXC_NAME}; perl -pi -w -e 's/^(\/sbin\/start_udev)/# \$1/g' /var/lib/lxc/${LXC_NAME}/rootfs/etc/rc.d/rc.sysinit; pct unmount ${LXC_NAME}" This hook...

Hi Wolfgang, Yes, the same error. Here are some examples. 6070: Jan 31 05:19:10 INFO: creating archive '/mnt/pve/ib-onsite-backup2/dump/vzdump-lxc-6070-2017_01_31-05_19_07.tar.gz' 6070: Jan 31 05:27:58 INFO: tar: ./var/lib/php/session/sess_nk8q3hh36qn9vgo09imou6sph5: Cannot stat: Structure...

Hi @morfair, I've got the same issues you're describing on a CEPH-storage. Repairing with fsck as @dietmar mentions, doesn't help because the filesystem isn't broken. It looks like it only occurs on files which are in use by the system during the backup-process, like PHP-session files, logfiles...

I removed the OSD of the failing node, and did a new jewel install. After that I've upgraded the remaining hammer nodes to jewel. Everythings seems to work again. The missing ceph log message from pve-UI is still there. I think /var/log/ceph/ceph.log is written by the ceph MON, which I didn't...

@wolfgang Sorry, you're right. I made a mistake. The old nodes are 0.94.9-1~bpo80+1 (hammer). @udo Yes, I'm intended to do so, but I'm afraid I mess things up when upgrading. Originally there were 4 hammer nodes. After upgrading 2 to Jewel, one of the Jewel nodes is yielding these problems. With...

Yes, each node has 1 OSD. dpkg-query -l | grep librbd displays 10.2.5-1~bpo80+1 (both librbd1 and python-rbd). This is the same on the other working Jewel node. The 2 old 'hammer' nodes have version 0.80.8-1~bpo70+1

Hi, This happens also with KVMs. In the rbd: section of /etc/pve/storage.cfg I've set krbd to 1. The only difference is that I don't run a ceph mon on this node to have an odd quorum (3 monitors on 4 nodes) as adviced in a ceph book I read. Could that be the problem in this case? Otherwise...

Hi Wolfgang, Thank you for replying. I've executed 'unset noout' again, to make sure. It looks like ceph and the cluster is working fine except for the HA-issue. That occurred after upgrading to Jewel. Maybe the problem is elsewhere in HA. The only warning I get is "HEALTH_WARN: crush map has...

Hi, I've upgraded ceph from Hammer to Jewel on 2 of 4 nodes in our proxmox 4.4 cluster. At one "pve jewel node" HA-migration (to/from) and the Ceph-log (from pve-UI) faulty. HA-migration says "HA 200 - Migrate OK" but doesn't do anything further. From pve-UI the ceph-log for this node says...

Hi, I've the following configuration: - 3 node cluster on PVE4.1 - High Availability with DRBD9 - LXC containers (on DRBD9) - All LXCs reside on a single node I want to upgrade the cluster nodes to PVE4.2, but I'm afraid differences between PVE 4.1 and 4.2 could defect the system (e.g. maybe...

I found a bug report about this here: https://bugzilla.proxmox.com/show_bug.cgi?id=926 (Maybe it's fixed in PVE4.2)

Just tested it in PVE4.1-39. Unfortunately this configuration option seems to be ignored... :-(

Thank you Dietmar!

Hi, Is it possible to disable "--stdexcludes" when PVE 4.x makes scheduled backups? (E.g. via a setting in /etc/vzdump.conf) After restoring from a backup some LXC's have trouble starting services because their logfiles are gone. Thank you for answering! Regards, Ruben

Hi vkhera, Thank you for answering. I assume this tiny box is for the quorum/pmxcfs. Do you think the HD of this tiny box could also be small? To put it simply, when I create the DRBD9 configuration, does it matter the 'tiny box' node has a small HD? (Furthermore in the PVE-UI I can configure...

Hi, I've extensively tested PVE4 in HA mode with DRBD9 on a 3 nodes cluster, based on the instructions at http://pve.proxmox.com/wiki/High_Availability_Cluster_4.x The fail-over mechanism works nice! Now I need to setup a PVE4 HA/DRBD9 cluster with 2 nodes. I know the wiki page (mentioned...

Thanks!