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Thanks, I've found another solution - default action for files in FF is saving unfortunately and can't set it in extensions for vv.

Can anybody help with such case? I'm using Firefox, when I click console button, ff downloads vv file and then I can click it to open spice client. How to set browser to open it directly with one click? Maybe somebody knows?

What do you mean "with repo from pve1/sdb"? DL380 g8 has Smart Array P420 Raid controller and g9 has Smart HBA H240ar.

OK, I'm starting: Source machine (pve1): DL380G8 2xCPU 8core, 384GB RAM, RAID60 on SAS HDD, storage in directory. fio tests for rw fio --name=WriteAndRead --size=1g --bs={4K,64K,1MB} --rw=rw --ioengine=libaio --sync=0 --iodepth=32 --numjobs=1 --direct=1 --end_fsync=1 --gtod_reduce=1 --time_based...

Ok, I'll clear it, it's not config from first post. Machine I'm trying to backup is on my 1st pve - physical machine is hp dl380 g8, 384gb ram, 2x 8 core cpu, Sas disks on raid60 - storage for vm drives is the directory (so file based). Pbs is on 2nd pve: dl380 g9, 256gb ram, 2x 6core cpu, ssd...

OK, I'll do it tomorrow. I'll write everything about source and destination with fio tests (I've checked iperf, it was about 6-7Gbit between 2 machines).

I'm totally helpless - I'm trying to backup 650GB vm. Source is file based storage on raid 60 (hdds) + 10Gbit network interface. Destination is PBS on ssd raid 10 (Ultrastar SS300) + 10GBit network interface. Help me, please, how to diagnose that, I don't even have any idea what should I...

If I understood it clearly, on file based storage I should use block size of filesystem? Right? Or I can use any block size to emulate e.g. video streaming?

PBS is vm on Proxmox, storage is NFS from another vm (TrueNAS) on the same pve, I was trying to move disk to local pve storage but it will take few days, transfer is about 60MB/s.

I've used fio --size=8g --rw=randread --bs=1M --ioengine=libaio --iodepth=32 --runtime=60 --numjobs=1 --direct=1 --time_based --name=WriteAndRead --end_fsync=1 --gtod_reduce=1 on my pbs but it's showing transfers about 10GB/s. Why?

So I'll test all of my nodes and pbs servers (if I'll find what parameters should I use for these tests).

Do you mean fio? Or something else?

So I consider this as X-file case and move all files to another partition.

I did database dump in case of failing that drive. When database will be unused, I'll move all files to another drive and change files location in MSSMS. Mount shows qnap2 mounted but there's no images\200 folder as I wrote.

lsof -p <PID> shows:

I thought about that, but I have to wait, the users work on that database, I have to stop database and move the files to another drive. I'll try it later.

Vm's drives:

Machine and that drive still work. That's why I wrote that it's strange issue. The drive doesn't exist and exists in the same time ;)

Strange issue: Error during backup: Machine is Windows Server 2012R2, qnap2 is NFS share on QNAP NAS. When I've checked on qnap - there is no images\200 folder on that share so there is no vm-200-disk-0.qcow2. But machine works, there are MS SQL databases on that drive. What should I do?

I'm testing such setup: PVE 7.3.4 on ssd hard disks (RAID10) , QNAP NAS with NVME SSDs. Both are connected with fiber network adapter. QNAP is mounted as NFS share. When I test that share with time sh -c "dd if=/dev/zero of=testfile bs=16k count=320000 && sync" command, I get about 400MB/s write...