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    [SOLVED] PVE Manager does not start - no obvious reason found

    Hello guys, hope your doing fine. I am having an issue which I am trying to track. I am not successful in finding a solution. Since a few days my upgrade of the PVE host failed. I have decided to do a reboot since kernel upgrades were pending. After the reboot pve manager is not started. VMs...
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    [SOLVED] Grow individual mirrored vdev in ZPOOL

    Hello all, maybe someone with a little more ZFS-experience can give me a hint. I am running out of space on my zpool "HDD-POOL". Due to configuration and other reasons this pool consists only of 1 mirrored vdev (and a SLOG, but that shouldn't matter). We are all victims of our own experience...
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    ZFS - How to monitor the SLOG usage?

    Hello everybody, I have a question I was unable to find an answer for. Maybe because I am searching wrong, maybe people don't bother in knowing. Anyways. I have purchased a nice little (8GB) NVRAM device to be my SLOG on a ZFS pool. Since this is very small (considered the usual SSD sizes) I am...
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    [SOLVED] Can't destroy ZVOL from pool "dataset is busy" -> Solution: LVM picked up on VG/PV inside. Need "filter" in lvm.conf

    Hello all, hope someone can give me a hint because I am going nuts. I have upgraded my backup-server to new gear, also using a ZPOOL now. My plan is to zfs-send / zfs-receive the VM-disks (zvols) from time to time to this box from my Proxmox-host. Started to "proof of concept" my approach...
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    Suspended ZFS pool affects all other VMs on node (even if no vDisks are affected)

    Hello all, I have a situation here and I hope that someone can help me with this. My setup is running 3 individual ZFS pools. All are attached locally via a SAS HBA (actually they are SATA HDDs, no Expanders). One of those ZFS pools only holds temporary data and I couldn't care less of it. 3...
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    [SOLVED] Unexpected pool usage of ZVOL created on RAIDZ3 Pool vs. Mirrored Pool

    Hello all, I hope someone can bring some light into my confusion and help me understand some (from my perspective) odd behavior I am seeing. Some background information: My Proxmox setup was running fine since almost three years. I was using a Mirrored vDev ZPOOL using 5x individual mirrors...
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    [SOLVED] VM CPU usage greater than 100% to be expected?

    Hello Proxmox-Team, I noticed that my VMs go beyond 100% CPU usage. Highest I could see was 103.85%. My host is running the latest and greatest PVE release (CE). It is independent from the guest type (saw on multi- and single-CPU VMs, as well as on Windows and Linux guests). An example: Is...
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    ZFS Pool import strange (cosmetic) issue

    Hello everybody, I have a very strange situation here that has shown up after a reboot. My one ZPOOL imports with WWN, SDx and VDEV at once. It has worked different (always showing / using VDEVs) for a long time, but changed at some unknown point in time. Since I have quite a few disks in my...
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    [SOLVED] Snapshot independent (persistent) data disks?

    Hello everybody, I wonder if there is the concept of "persistent disks" within Proxmox VE? I would like to take a snapshot of a VM and from the OS-Disk, while the data disks should not be affected by this snapshot. E.g. when I apply the snapshot only the OS disk should be reverted to its...
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    [SOLVED] Proxmox server backup (the host) question regarding /etc/pve

    Hello Proxmox team, my current backup of the Proxmox installation is a DD of my boot media. It happened yesterday that I needed to bring the backup into play. This went fine: - restoring the USB stick on my Linux Workstation - mounting the file systems on the USB stick There is struggeled: -...
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    [SOLVED] Cant login to console / ssh / web after recent upgrade

    Hello Proxmox team/community, after recently updating my system (today) I experience a very strange issue after rebooting the system. I seem to be unable to login. Since I have not shut down my browser I am still connected to the Proxmox web interface on this browser but all other tries to...
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    [SOLVED] /lib/modules filling up hard drive

    Hello Proxmox Team, I have a Proxmox PVE server which is configured to apply updates automatically by a cron-job + shell script, I am doing this so I just need to reboot at some point. My boot-device is not particulary large, however there is plenty of space in normal operation (about 2GB) and...
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    PVE 5.1 eth bond question

    Hello all, I just moved my newly installed Proxmox Hypervisor to its final position in my rack. While I was using only one uplink eth during all the migration, I connected both designated cables when installing it there. The system came up without any issues (watched over IPMI) however I was...
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    [SOLVED] ZED Notifications not working

    Hello everybody, I hope someone can shed some light in this as I did not find much in the WWW nor in the forum. I am in the process completing my proxmox setup (5.0) and want to setup ZED for ZFS monitoring. ZED is installed and active, but it does not send out any notifications. The postfix...
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    [SOLVED] PVE5 : ZFS Pool Corruption issues after adding 5th mirror to pool

    Hello everybody, this turns out to be an experience report rather than an request for help as I finally found a solution (scroll to the very end of the post if you dont care about the journey). Since I do not have an own blog or something I think this is a good place to make this information...

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