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    Proxmox reboots when guest performs disk-intensive task

    This is a single node, no cluster. It was originally installed from the 5.2-1 ISO image and eventually upgraded, up to the current version 5.4-5. It has basically no customizations. Since it has swap on zfs (the installer made it), I tried applying the tweaks described here, but the problem did...
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    Proxmox reboots when guest performs disk-intensive task

    In a system with a single guest running (Ubuntu 16), I have the whole host system (proxmox) suddenly rebooting when the guest performs a local backup with rsync. The host is Proxmox with kernel 4.15.18-14-pve; it has two disks with ZFS RAID 1. Apparently nothing unusual is in the host logs, so...
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    Proxmox on no-RAID Dell Poweredge R220 does not boot

    I finally solved the issue with R220, see this thread: https://forum.proxmox.com/threads/dell-poweredge-r220.41803/#post-234169
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    two pve-zsync's to backup the same machine

    Hello, is it possible to use pve-zsync on two different hosts to backup the same (third) machine? i.e. like this: - pve-zsync on host B fetches a backup of VM101 from host A - pve-zsync on host C also fetches a backup of VM101 from host A ? Thanks
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    [SOLVED] Dell PowerEdge R220

    For the record: our Dell PowerEdge R220s produced some pretty disastrous results with proxmox & zfs and the disks attached to the PERC H310 controller, even when RAID was not configured at the controller level. Basically, it had a tendency to destroy the filesystem at boot, entering the GRUB...
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    "result verification failed" from pve-zsync

    I have received the following mysterious error message in a mail sent by the pve-zsync cron. What does it mean? COMMAND: ssh root@10.0.0.4 -- qm config 501 GET ERROR: 400 Result verification failed lock: value 'snapshot-delete' does not have a value in the enumeration 'migrate, backup...
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    Proxmox on no-RAID Dell Poweredge R220 does not boot

    Spoke too early. 6) rebooted Proxmox (two disks, RAID1, zfs): does not boot :-(
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    Proxmox on no-RAID Dell Poweredge R220 does not boot

    You never mention zfs, which is the original reason for I am into all this mess. It is common knowledge that zfs requires complete control, and hates with a passion whatever stands between it and the disks, i.e. any RAID controller, even when RAID mode is turned off. On this very forum you can...
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    Proxmox on no-RAID Dell Poweredge R220 does not boot

    We experienced occasional catastrophic destruction of the zfs filesystem at reboot with a PERC H310 controller on PowerEdge R220. Same on the PowerEdge R210II (I think the controller was PERC H200 in that case), despite all being set in Non-RAID mode. This is the reason for we are trying to get...
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    Proxmox on no-RAID Dell Poweredge R220 does not boot

    After having experienced several horrendous filesystem corruptions at boot with Proxmox & ZFS on Dell Poweredge R220, despite having set the PERC RAID controller to passthrough, I have now moved the hard disks to the motherboard SATA ports, abandoning the PERC controller completely (believing it...
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    recovering a pve-zsync installation after a crash

    I have "server1" (10.0.0.1) backing up VM 502 on "server2" (10.0.0.2) with pve-zsync. I set up the process with: server1# pve-zsync create --source 10.0.0.2:502 --dest rpool/pve-zsync/daily --verbose --maxsnap 7 --name server2-backup-daily eventually, server1 blows up and I have to completely...
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    boot fails on grub rescue

    I have just upgraded (apt-get upgrade) two machines to kernel 4.15.18-1-pve, then rebooted them. One, a Dell Poweredge R210 II, went flawlessly. The other, a Dell Poweredge R220, does not boot anymore, it ends in the grub rescue shell. Both are configured with the disk controller set to...