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More info from kernel developpers (about which version has the fix on each branch): https://bugzilla.kernel.org/show_bug.cgi?id=212695#c4 Pali Rohár : This issue was fixed/workarounded in following commit (in 5.15) which forces MPS to 256 bytes...

Thanks! Looks like someone had the issue before: https://forum.proxmox.com/threads/prevent-zpools-from-auto-importing.30551/ And there's now a "disable" which I assume should prevent autoimport on the specified pool.

I powered off only the external USB dock, then redid export then power on, then import and now the 2 USB disks are online with the others! # zpool history ... History for 'ssdbck1': ... 2021-10-12.16:19:16 zpool export ssdbck1 2021-10-12.16:19:37 zpool import -d /dev/disk/by-id/ -o...

@Dunuin zpool export ssdbck1 commands succeed (no output, exit code zero) but the pool is still there after the command. zpool import says "no pools available to import". zpool import ssdbck1 says # zpool import ssdbck1 cannot import 'ssdbck1': a pool with that name already exists use the...

Hi, I have a 6 disks RAIDZ2 pool, all 6 disks are currently on internal SATA. To workaround an issue on two of the SATA ports (1) I'd like to move (until a receive a new SATA PCIe controler card) two disks to an external USB3 enclosure. ZFS when on SATA has "ata-xxx-serialnumber" in front on...

To migrate the zvol to an appropriately configured ZFS I was not able to use zfs send/receive because it does not support setting volblocksize: zfs receive -o volblocksize=16k "cannot receive: invalid property 'volblocksize'" Feature request here: https://github.com/openzfs/zfs/issues/8704...

Hi, While running PVE 6.4 (kernel 5.4.140-1-pve) on a threadripper system based on AsrockRack TRX40D8-2N2T motherboard we recently lost two SATA SSD drives on kernel write errors, after testing various things (swapping SSD, cables) we found out the issue happens (after a while) only on the two...

Yes this is where I read about volblocksize. However it's not clear what value is optimal in my case, 128k ? 1MB ? 4MB (like ceph does I think) ? Also on the following advice: "When doing this, the guest needs to be tuned accordingly and depending on the use case, the problem of write...

Hi, On a machine with 6x4 TB hdd I installed PVE 6.4 (up to date) choosing RAIDZ2 (ashift left to default 12), and this should leave 4x4=16 TB or 14.1 TiB usable. # zpool status pool: rpool state: ONLINE scan: scrub repaired 0B in 1 days 00:35:33 with 0 errors on Mon Sep 13 00:59:36 2021...

Hi, I'm about to dist-upgrade PVE and pve-qemu-kvm will go from 5.2.0-2 (with the qmp timeout / VM freeze issue starting to hit us) to 5.2.0-6 (current stable). Once the dist-upgrade is done is there a way to "migrate" a running VM from the host it's running to the same host so that I runs...

Yes I confirm PVE sees both disks the one from args and the small one for OVMF. Thanks!

Hi, Today I had to migrate a physical machine running Fedora Core 32 with NVME root disk and UEFI boot to a virtual machine (OVMF) under PVE 6.3. Unsurprisingly Fedora boot failed if I just copied (offline using an adapter) the whole /dev/nvme0n1 original block device to a ZFS volume and used...

While checking the logs of my PBS I noticed the longest PVE VM backup job was of a stopped VM (been in stopped state for a few weeks / daily PBS backups) which has a relatively large disk raw image (200G) on a relatively slow directory (NFS mounted by /etc/fstab not by PVE). Is there a way to...

Yes as I mentionned the PVE host has RAIDZ2 with 6x4TB hdd. Do you know in what log I can see history of cleanup jobs?

Note that I had relatively similar looking issue there with PVE running a PBS VM: https://forum.proxmox.com/threads/proxmox-backup-client-gets-http-2-0-after-70mn-pbs-server-crashed.85312/#post-375257 It also has an old CPU Atom C2550 (like other posters here) and I had qmp failed messages too...

Got an OOM again, trying now with no swap on the PBS VM (swap was set up by the installer).

With 5.4.101 on both host and guest so far no issue. VM file cache size has reached 11G and has been sitting there for a while, I'm relaunching previously failed backups.

* last cat /proc/meminfo; ps fauxwwww on the backup1 (PBS) VM ========= Fri 05 Mar 2021 08:44:34 AM CET ======== MemTotal: 12264260 kB MemFree: 162436 kB MemAvailable: 11107408 kB Buffers: 230920 kB Cached: 10694904 kB SwapCached: 20 kB Active...

I've got some more information : my setup is a physical server "pcstorage1" (Atom C2550, 16G ECC RAM, 6 4TB hdd) with PVE 6.3 RAIDZ2 UEFI boot with only one VM "backup1" running PBS 1.0.8 which has 12G RAM and 10TB ext4 UEFI system (virtio-scsi) I got the crash issue again on a large VM disk...

Hi, While using PBS 1.0.8 (server and client) to backup a directory with old VM images: proxmox-backup-client backup dir1.pxar:/mnt/old --verbose ... append chunks list len (64) append chunks list len (64) "dir1/vm1" "dir1/vm1/sdb.img" append chunks list len (64) ... append chunks list len...