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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.

@dcsapak that'd be awewsome. I was wondering all the time how LTO is handling constant buffer underruns. Will it just pause and wait until the buffer is filled or will the constant tape speed just be tapered down? i already looked into the code, but i am not a rust guru :(. if i still can be...

@dcsapak thanks for the elaborate answer. I'm really trying to figure out how to scale pbs out.. I will try setting to "none", still, the documentation suggests, that it might have no effect or even be slower with spinners.. I guess it performs a lot better when doing a sync, because...

no offense, but well yeah, sorry that answer sounds a bit too easy. I could imagine that a smarter read ahead buffer feature could also do the "trick". Having close to one pb as flash for backup storage is just not very cost effective, and also quite unusual. Spinning rust is still the default...

So after some weeks/months and after a lot of testing I gained some insights: - When replicating one PBS to the other (Both 12-Disk RaidZ3 + special device) I easily get 300-400MB/s read/write performance on the source PBS and can easily write the same speed on the Offsite PBS. - When writing...

War kein ECC ram verbaut?

Okay mega, kannte ich nicht. Gute Hinweis.

Wie machst Du das? Ich war der Auffassung dass livemigration über clustergrenzen hinweg so nicht möglich ist.