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ceph -s cluster: id: 09935360-cfe7-48d4-ac76-c02e0fdd95de health: HEALTH_WARN 1 daemons have recently crashed services: mon: 2 daemons, quorum node003,node002 (age 2d) mgr: node002(active, since 2d), standbys: node003, node004 osd: 36 osds: 36 up (since...

I don't get any errors about a VM: ....... vm-223-disk-0 50 GiB 2 excl vm-246-disk-0 50 GiB 2 excl vm-247-disk-0 50 GiB 2 excl vm-248-disk-0 50 GiB 2 excl rbd: listing images failed: (2) No such file or directory

I added this monitor with the GUI (running latest Proxmox and Ceph versions).

Dear All, When i want to start a new monitor that I just added on node005, I get this error: Mar 23 14:53:13 node005 systemd[1]: Started Ceph cluster monitor daemon. Mar 23 14:53:14 node005 ceph-mon[3561]: 2020-03-23 14:53:14.762 7f58ca8e8700 -1 mon.node005@-1(probing) e0...

Hi All, I got this error when I want to see Storage 'ceph_ssd' (Ceph pool name) on node 'node002' (on all nodes). rbd error: rbd: listing images failed: (2) No such file or directory (500) When I run rbd ls -l ceph_ssd, I get this at the end: rbd: listing images failed: (2) No such file or...

After some digging I found out that DHCP was the problem, so use a static IP instead and 'off' at the end of this line did the trick otherwise DHCP will still overrule the static IP (hitting F5 when CoreOS is booting)...

Hi There! Maybe someone can help me out, I am a bit stuck with installing (first time) Fedora CoreOs on a Proxmox node. I uploaded the latest Fedora Core live iso from the official website and created an VM. Then I start this VM but it always ends with 'Starting the emergency shell'. Before...

Dear all, I have added an extra SSD disk to one of my nodes (without raid and without Ceph). On this node I want a certain VM to mount this disk as extra diskspace. I have read a lot of posts but I am a bit lost where to start and what is the best way to do. Can someone help me getting started...

Thanks, that did the trick!

Good morning! When making backups in Snapshot Mode some containers are having problems. I have to change the Mode in Suspend and then the backup will be succesfull. But I don't want it to Suspend because then the server will go offline. Running 10 servers with latest Proxmox and Ceph. Error...

Thanks a lot !

Sorry about these questions, but I am afraid I remove something critical on the other nodes (I have bad experiences with that).

Will that also remove the ceph_ssd icon in Proxmox ?

Yes I did this already, but how to remove the Ceph data from this node? I know I can leave it there, but it's almost 2020 and good to clean the house ;)

It is a node with osd's but I want to take it out of the Ceph cluster and want to remove Ceph on it. Then it will run stand alone. No manager or monitor on it. Thanks :)

I have a cluster with say 10 nodes running Ceph/Proxmox last versions. On 1 of the nodes I want to remove Ceph but it must still be available in Proxmox. How can I do this safely, without deleting important data that is for example in /etc/pve ? Thanks!

I finally upgraded succesfully our cluster to Proxmox 6, Corosync 3 and Ceph Nautilus without (!) any downtime. It took me about 2 weeks. There were some issues, like you have to remove kernelcare first if you start the Proxmox upgrade. And had problems with my OSD's that would not start after a...

Solution: In /etc/multipath/wwids you can # a line for the disk you want to add in the GUI of Proxmox. Then restart multipath: service multipathd restart Now you can check if your disk still is available (it should be not available): multipath -ll gdisk /dev/sdX X - Z - Wipe out all (all of...

Alwin, that blacklisting was a GREAT solution... I can ceph-volume it again! I will test some more with it and will post the solution.

I have upgraded to Proxmox 6 and Ceph Nautilus. They worked in Luminous but got errors after the upgrade and got the message that the OSD's will not be working after a reboot of the node. So I decided to delete these Disks and add them again. I tried everything from formatting dd reboot etc but...