zfs

  1. Looking for advise: zfs should belong to Proxmox or Truenas?

    I have sufficient disks to create an HDD ZFS pool and a SSD ZFS pool, as well as a SSD/NVMe for boot drive. I'd like to install Proxmox as the hypervisor, and run some form of NAS software (TRueNAS or something) and Plex. Looking for advise on how that should be setup, from a storage...
  2. MsSQL server 2016 on pve Vs ms hyper-v performance problem

    Good day support staff and community, I have a problem with mssql server 2016 standard I migrated a windows 2016 virtual machine with mssql server 2016 from Hyper-v to pve. The customer reported a sluggish performaces. I'm using mssql studio to run a test query (which reads a lot of data but...
  3. vzdump[nnnnn]: ERROR: Backup of VM xxxxx failed - timeout waiting on systemd

    Good day support staff and community, We have stumbled into some backup failure issues while using the latest version of Proxmox (7) in conjunction with ZFS. My hardware configuration is the following: Server Brand and model: Dell R630 Storage controller PERC H730 in HBA mode and cache...
  4. Flooded with ZED "Missed 1 events" in syslog and CPU constant load

    Getting a lot of zed[3356334]: Missed 1 events zpool events shows thousands of: Oct 14 2021 11:23:52.844797988 sysevent.fs.zfs.config_sync Oct 14 2021 11:23:52.884796898 sysevent.fs.zfs.config_sync Oct 14 2021 11:23:52.884796898 sysevent.fs.zfs.config_sync Oct 14 2021 11:23:52.924795810...
  5. Failed to start Import ZFS pool ...

    Hello, can anyone help me please? Thanks!
  6. Extremely low ZFS performance

    Hi, I have an HP Proliant machine with proxmox and I am having very low read / write speeds on my ZFS drive. These problems are even capable of blocking all my VMs Mi server: ProLiant DL360e Gen8 2 x Intel(R) Xeon(R) CPU E5-2470 v2 @ 2.40GHz 72 GB ECC RAM @ 1333 Mhz 3 x SanDisk SSD Plus Sata...
  7. PVE Storage

    We have three drives in our PVE 6.4-13 server. Two mirrored 3TB drives and a solo SSD When I go to Datacenter | pve | Disks | ZFS, both sets of disks appear: When adding a container, I don't see the 3TB pool - where have I gone wrong, what's best way to make this space available for containers?
  8. Does the graphical installer support advanced ZFS setups for VDEVs and SPAREs?

    Hi everyone, I'm planning to setup a new server containing 8 HDDs, of which 2 will be used as SPARE and 6 to create 3 RAID1 VDEVs added to one and the same pool in the end. The graphical installer is able to create ZFS with different RAID levels and seems to detect based on the chosen level and...
  9. Issues with removing SAS disks from ZFS configuration

    Hey y'all, So I wrote a post about this in a post before but it was far too much information and hard to read through, so I am removing the old post and consolidating the information into this post now that I have some more information after exploring a bit. So let's get started. For my...
  10. Import VMs/Containers from previous Proxmox install

    Hello. I have reinstalled Proxmox because I have changed my motherboard. In my rush, I did however forget to backup my VMs and containers. Stupid me. I am using ZFS raidz1 on two ssd disks, which I have successfully mounted. My question then is; is it possible to import the VMs and containers...
  11. Reverting "zfs destroy" - accidentally created dataset with existing name

    Hi, yesterday I installed a fresh copy of proxmox. I imported one of my zpools from my previous install just fine. I then added a new ZFS storage on top of it via the GUI - trying to recreate my directory structure as it was before, I used the same name as on the previous install. Then I...
  12. [SOLVED] VM disk overwritten after migrating to new install

    Hello, I just migrated my proxmox server to a new motherboard+CPU combo. I carried over the HBA and most of the HDDs from my old proxmox install. I had a Samba server LXC which had a couple of disks attached (stored on 3x4TB drives in RAIDZ1), totalling about 5TB of data. Since the data was not...
  13. OMG I mistakenly pass-thru NVME chip on M/B

    Hi, Yesterday I added a new PCIE board with NVME SSD to proxmox machine, and tried to pass-thru that to a new VM. However, I mistakenly chose vendor-ID that is onboard M/B NVME chipset, not the PCIE NVME board. I remember it because I have once successfully pass-thru PCIE device before. After...
  14. ZFS best practice für Enterprise NVMEs

    Moin zusammen. Ich stelle mir gerade die Hardware für einen neuen PVE zusammen. AMD Epyc mit 512GB RAM, 2x Samsung PM1643 (RAID1 für das OS) und 4x Samsung PM1735 3,6TB. Auf dem PVE sollen lediglich 2x Windows Server VMs laufen, die jedoch relativ viel R/W Leistung benötigen (DMS und SQL)...
  15. mattlach

    Additional Questions Re: "ZFS: Switch Legacy-Boot to Proxmox Boot Tool"

    Hi Everyone, I have a few questions regarding the need to switch to Proxmox Boot Tool for booting from ZFS. I found the need to do this in reading the release notes for PVE 7.x in preparing for my upgrade from 6.4.9. Question 1.) It says the boot will break if I run zpool upgrade on the...
  16. Welche Optionen zur Schonung von SSDs hat ZFS ?

    Ich habe 2x die P2 2000GB von Crucial als NVMe SSD. Der Pool den ich erstellt habe heißt whirl-pool. Muss ich noch was ändern ? ich habe etwas von ashift=off gehört... wie mache ich das? macht das Sinn?
  17. Im ZFS-Pool (raidz1) fehlt ca. 1/3 des freien Speicherplatzes

    Hallo liebes Forum, vielleicht kann mir einer von Euch das erklären: Ich habe ein raidz1 Pool mit 33,77 TB erstellt und darin 2 Disks ( 21,47 TB und 0,5 TB ) erstellt. Als verfügbar wird mir 1,07 TB angezeigt. Da fehlen mir gut 10 TB. Kann mir jemand erklären, wo die geblieben sind? Dank...
  18. Testing Benchmark ZFS Pool

    Does anyone know how to test the benckmark on a ZFS-Pool? And how can I test it on a Linux VM and Windows VM? In this PDF I saw the command has been used: https://www.proxmox.com/de/downloads/item/proxmox-ve-zfs-benchmark-2020 command: fio --ioengine=libaio --filename=/dev/sdx --direct=1...
  19. Proxmox 7.0-11, encrypted zfs, kernel panic

    I recently hit the bug in ZFS with password protected aes-256-gcm encryption. It happened on fresh installed system with ECC RAM while I copying a big file from one VM to another. kernel:[72353.044289] VERIFY3(c < SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT) failed (36028797018963967 < 32768) Sep...
  20. After upgrade PVE from 6.4 to 7 systemd-udevd gives: Too many levels of symbolic links

    Hi, Yesterday I upgraded from 6.4-1 to 7.0-2, and the host boots fine. Before starting all vm's and ct's I just started 1 ct and 1 vm, they work fine. Zpools report no issues. In the log however I found multiple messages like these, they were never in the logs in pve 6.x or 5.x, so it started...

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