zfs

  1. R

    Proxmox 8.2.2 Lost ZFS Pool Lost After Shutdown

    Hello to all, After an unexpectedly shutdown Proxmox server lost the ZFS Pool. I can see from Datastore's Storage section my old ZFS Storage, but the pool is missing from the server. Disks Health is good (I checked through Raid Controller). All my VMs were stored in there. Is it possible to...
  2. M

    zfs pool different sizes reported

    Hey, I hope anyone might be able to help and point me in the right direction to solve the following issue. I have a zfs-pool in my machine which I use for mass storage. While I knew I was running low on storage, I expected to still have a few gigs available. But when I tried to rename a file on...
  3. J

    [SOLVED] PBS ZFS Datastor voll. Wie Speicher freigeben?

    Hallo zusammen, wir betreiben einen PBS mit ZFS Datastor. Leider ist uns das ZFS vollgelaufen. Ich habe bereits einige alte VM Backups und Namespaces via UI gelöscht und andere alte VM Backups per CLI gelöscht. Außerdem habe ich nach Recherche hier im Forum auch versucht ältere Verzeichnisse...
  4. J

    New *critical* Western Digital/SanDisk NVMe drive firmware update available

    Public Service Announcement: Anyone using Western Digital/SanDisk NVMe drives should probably have a look over this new firmware update: https://support-en.sandisk.com/app/answers/detailweb/a_id/51469 Note that Host Memory Buffer (HMB) problems with these WD NVMe drives have been reported with...
  5. P

    Correct procedure for replacing a zpool on specific nodes?

    Summary: I need to know how to remove a zpool from one machine in a cluster while leaving it on the others. I have a three node cluster, of two matching main servers (M1 and M2) and a third smaller (S3) machine which provides the third vote for failover and hosts a limited range of VMs. Each...
  6. L

    PANIC: zfs: attempting to increase fill beyond max

    Does anyone know what could cause this host crash: We have a linux guest VM running multi-day simulations. The guest reported the following: Heaps of space in zpool: My current guess is that an online resize of sdb disk image earlier in the day looked good but at the point the additional...
  7. P

    ZFS reserved and boot partition

    Hello dear Proxmox Backup users! One of our 4 HDDs failed in our Proxmox Backup Server. We replaced this with a new HDD and then re-silvered the whole pool. Now, after resilvering, I realised I may have made a mistake. See this screenshot: You can see here that every HDD has the following...
  8. D

    Setting ashift for ZFS (and tuning in general)

    So I have a few systems that are built out of cheap hardware. I am looking to try and get as much performance out of them as I can. Right now I am getting around 100mb/s write and 25mb/s read. Each system has different SSDs but fdisk shows 512 byte sector size for all. Disk /dev/sda: 465.76...
  9. M

    [TUTORIAL] Help with replacing 1 disk in ZFS pool

    I run a zfs health check and this morning i got this message The number of I/O errors associated with a ZFS device exceeded acceptable levels. ZFS has marked the device as faulted. impact: Fault tolerance of the pool may be compromised. eid: 154 class: statechange state: FAULTED...
  10. W

    vfio-pci early bindings for NVMe drive passthrough (TrueNAS VM)

    Hi again, I am still tinkering with the project of a TrueNAS VM on PVE 8.1.4. using a HP DL380 G10 with a PCIe/NVMe/U2 riser card and cage. I already posted here with not much success before getting some more info at the TrueNAS forums over here. It turned out that some people there would...
  11. D

    [SOLVED] How to recover a ZFS pool on Proxmox, from the original drives?

    I screwed up big time and lost my ZFS pool ! How can I retrieve it, I need help ? I’ve been using PVE v8 for few months at home, mainly for windows & macOS VMs and testing new systems, inc Plex & TrueNAS Core It was going great and recently added Proxmox Backup Server in order to backup the...
  12. B

    What is the best file system for RAID1 nvme SSD?

    I want to using two U.2 pcie Nvme SSD as the fast disk of tens of VMs ( disk Image ) in one PVE host. In order to minimize the risk of “data loss due to disk corruption”, I would like to use raid 1. Then, what is the best filesystem of raid1? ZFS with raid1. or F2FS on MDRAID with raid1. I...
  13. C

    Initial installation: file system setup advise needed

    Hello, back in the day I used to utilize LVM for storage. A couple of PVE hosts I've setup were nothing special regarding their hardware and articles regarding file system format seemed to advise using LVM for a variety of reasons. Now I've got a one year old Proliant DL360 Gen 10 with two...
  14. R

    How does using ZFS to mirror PVE (and nothing else) impact separate disks (for VM and container storage) that also use ZFS?

    I have some filesystem questions regarding PVE, ZFS and how they interact with VMs. The storage system I'm trying to achieve consists of 5 physical disks: Physical Disk Purpose RAID Disk 1 + Disk 2 PVE + mirror ZFS mirror Disk 3 + Disk 4 VMs and container storage a mix of striping and...
  15. P

    [SOLVED] Wrong size calculation in web-UI when using ZFS datasets within "images"?

    Hi everyone, in my Proxmox I've created a storage dir to store all kinds of data and made that one a ZFS dataset on its own. I want to be able to configure individual auto-snapshot retention policies this way. Everything works fine, I'm able to create VMs etc. in that dataset and the web-UI...
  16. N

    Schlechte FSYNCS/SEC Performance bei Enterprise SSDs, ZFS mirror

    Hallo zusammen Wir nutzen Proxmox auf einem Server von Thomas Krenn mit untenstehenden Specs. Wir setzen momentan 4 Gitlab-Runner ein und möchten gerne ausbauen. Die IO-Operationen bei Build/Testing/Deployment-Workloads scheinen uns etwas langsam zu sein. pveperf auf dem einzigen ZFS-Pool...
  17. T

    Proxmox ZFS Management

    For years I've used VMware ESXi + HW Raid or VSAN, typically with Dell Openmanage / iDRAC to manage HDDs. Well...Broadcom happened. I'm trying to completely wrap my head around JBOD / HBA ZFS before I even consider using it. Like fully understanding SCSI IDs locations, disk serial numbers...
  18. J

    [SOLVED] ZFS Pool creates error while resilvering

    zpool status root@jkbs-lab:~# zpool status pool: pool1 state: DEGRADED status: One or more devices is currently being resilvered. The pool will continue to function, possibly in a degraded state. action: Wait for the resilver to complete. scan: resilver in progress since Mon Sep 23...
  19. B

    Rpool, how to create ZFS

    Hello, I'm still learning proxmox with zfs and some details are not clear to me. I hope someone could help me to understand better than now. My proxmox is installed with 32 Go Ram and a single 1 To SSD using ZFS. To learn I installed a few VM and a CasaOS container with a FTP server using...
  20. M

    [SOLVED] ZFS over iSCSI with Dell Powerstore 1200T

    Hello, I currently have several Dell Powerstore 1200T storage arrays (3) which are managed by a Metro Cluster that I use for iSCSI virtualization (VMware to be transparent and everything works fine). I want to test Proxmox, and I used 3 physical servers to have a cluster of 3 hosts and I...

About

The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get yours easily in our online shop.

Buy now!