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Seems to be related to https://forum.proxmox.com/threads/snapshot-backups-spuriously-max-guest-disk-activity-causing-application-crashes.90110/

Hi, On a relatively updated PVE node, I do some PBS backups. Backups are made with snapshot mode and qemu-guest-agent is installed on all VMs (Qemu Guest Agent is enabled indeed). I noticed yesterday that during the backup, I have lot of iowaits on the VM. Backup started @8:41 and ended...

So my proposal is to add a checkbox :) whether or not you want to apply datacenter rules with security group to all VM/CTs

Yes indeed For example, activate the FW for VM (Input Drop - Output Accept) - Then allow incoming connections for some IP ranges (RDP, SSH, Zabbix monitoring...), and doing it for all VM/CTs This is the reason why I thought datacenter rules with security groups should do the trick

Yes understood - but for example, in order to apply the same rule for 120 VMs, you have to apply it manually for each...

With 120 VM/CTs per cluster it should be nice to not settle VM/CT one by one. For example a checkbox 'Also apply on VM/CTs' for datacenter rules

Hi, Thanks. Could be interesting to have datacenter rules applied on all items (Hosts + CT/VMs) dont you think ?

Hi, Rules for the node hosting the VM :

Hi I have the following rules applied at datacenter level : Everything is working as expected for Hosts nodes But not for a VM (by now only hosts nodes are protected by PVE FW) When one of my zabbix proxies tries to ping the VM, it is rejected as you can see in the logs Why...

Hi, In order to prevent a maximum of "existing bitmap was invalid and has been cleared" with multiples PBS this is what I do : @01:00 Backup to Internal PBS => existing bitmap was invalid and has been cleared @10:00 Backup to Internal PBS => OK (very fast) @15:00 Backup to Internal PBS => OK...

Thank you :)

Indeed :) What kind of command do I need ? (For VM/CTs)

Hi, Is there a way to get a list of all VM/CTs for a cluster including IP addresses ? qm list / pct list do not provide IPs I guess. Thanks !

Hi, I've recently moved all my backups jobs to a dedicated PBS platform. Thus, I removed CephFS on all involved nodes. However, I noticed that CephFS mount on /mnt/pve is still there even after rebooting the node. When browsing/mnt/pve/ the bash shell crashes... Is it normal to leave CephFS...

Thanks understood. I do some periodic manual restores, but with 250+ VMs it's impossible to verify each snapshot in real restore scenarios...

Hi, I guess a 'OK' verified snapshot, is not the garanty that restoring this snapshot will be OK ?

Hi, We use the same datastore for all my pve clusters without any issue. Just be aware of your VM/CT IDs ! But if you have like me a unique id per vm, no pb.

Hi, I switch to OVS and everything is working as expected

A reason could be that I run 2 backups via several PBS (local + Tuxis external) ?

Hi, I don't know why but since upgrade to v 6.3-2 (with ceph octopus), day after day all my backups are no longer using dirty-bitmaps. (PBS v1.0-5) On all logs I have : existing bitmap was invalid and has been cleared. What could be done in order to check what is going on ? PVE proxmox-ve...