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First I would like to provide you with some Specs: AMD EPYC 7313 16-Core Processor 12x Seagate Exos 20tb 4x 4tb NVME It's configured as raid-z3 with a 4-way mirror special device on nvme. It - seems - that the drop comes in after some time, a few minutes. I made another job...

More Update on the Topic: Increased the Thread to 16 (which is core count of the backup machine): 300MB/s (was <=200MB/s volatile) when running a tape job only. ~160-200MB/s (was <= 60MB/s volatile) when tape job was running while a verify job was running. //What I am noticing now is some...

Okay, was i impatient, built PBS myself and can conform significant improvements to the ZFS Performance on Spinners, especially when writing data to tape. Finally I can (at least if no other things are running) saturate the write performance of my LTO9 drive. Before the patch it maxed at...

Looking at the Thread again: If the gains are to visible for a single Spinner, the effect to have multiple IO threads should be even more Interessting on ZFS pools with several Disks...

Can I somehow test this without doing a complete PBS build myself? (eG. are there development deb's?)

This is awesome news, I am really looking forward to this..

So well, I investigated this a bit: PBS doesn't use rsyslogd by default, just systemd-journald. In theory there is the option to set LogFilterPatterns in the service definition for systemd for the proxmox-backup-proxy.server BUT: Bookworm has systemd 252, and the Option was introduced with...

Hi, i just noticed that PBS logging is very noisy: Mar 31 23:07:29 pbs-ba1-2 proxmox-backup-proxy[2878]: GET /chunk Mar 31 23:07:29 pbs-ba1-2 proxmox-backup-proxy[2878]: download chunk "/mnt/datastore/datastore/px11/.chunks/4583/4583ba2fb3e7c1086442e0> Mar 31 23:07:29 pbs-ba1-2...

hey @dcsapak, let me bump this up. Is there any news regarding tape write performance? thanks in advance.

Same issue - got a customer with Open-E storage (which is the opposite of open). So far the solution to mitigate the inherent split-brain issue was to have firewall rules that keep iscsi from connecting to the physical interfaces. This doesn't work any longer. Is there any news on a fix? I am...

Well 5.15.0-101 is the latest Ubuntu Kernel, i check if its fixed.

I have put it into the mailing list. I suspect it might be related to: https://bugzilla.kernel.org/show_bug.cgi?id=217123 << which should be fixed already. we'll see.

Hi, I have a reproduceable Issue with the qemu-guest-agent and the NFS server running inside a guest VM. Each night, when snapshot backups are run, and thus fsfreeze is issues to the Guest VM, I have a nasty Kernel debug stuff in my logs: Mar 26 01:30:00 publikore-data qemu-ga: info...

My answer won't be helpful. I don't have windows on baremetal, and I think no one should. To dig into it: it'd require a big amount of engineering, to implement this. I am not aware that anything like this exists or is in development. good luck with this.

So you want a cold standby Copy from a non-proxmox Hypervisor to a proxmox hypervisor? Why would you do that? It's complicated, because you would have to automate all the tasks like exchanging drivers and so on. I run some cold-standby setups, but promox->proxmox.

You mean some sort of Standby Cluster where you can instantly start a copy of your VM?

GA can execute arbitrary commands with root/admin privileges. But I agree with @PSz : for automations/infrastructure as code there are more adequate tools like ansible.

PBS can do that: start-while-restore. It has it's limits like it has on Veam as well. Other DR Options would be to have a Cold-standby copy in a seperate cluster.

Hi, I have noticied a weird behaviour. Sometimes my tape libary (Quantum Superloader 3 / LTO9) just hangs. On a Series of Backup jobs, it changes tapes as it should, this sometimes also works flawless for days, and then suddenly the tape changer is just not receiving the command to go to the...

@guerby yeah well, this thread was about performance issues specifically with hdd setups.