raidz

  1. Z

    [SOLVED] RAIDZ pool not showing up after one of four disks went bad

    I had a hard drive failure of one of my drives in a RAIDZ pool. The other three drives are connected and online but proxmox displaying that the raid exists. Is there any way to bring the raid pool back? There is no raid array showing up in the zfs window in the proxmox webui. Any help would be...
  2. K

    HELP !! Recovering ZFS disk header after running sgdisk -Z on one RAIDZ disk

    Hi everyone, I have a ZFS RAIDZ (3 disks) setup that was created using whole disks (no partitions). Unfortunately, I accidentally ran the following command on one of the member disks: sgdisk -Z /dev/sdb This wiped the partition table and GPT headers. Now ZFS doesn’t recognize the disk as...
  3. S

    ZFS Config Help for Proxmox Backup Server (PBS) - 22x 16TB HDDs (RAIDZ2 vs. dRAID2)

    Hi every one. I’m building a dedicated Proxmox Backup Server and would appreciate your feedback on the best ZFS layout for my hardware. My primary goals are high random-I/O performance (for garbage collection and small writes), robust data integrity, and reasonable capacity. Hardware 22 × 16...
  4. S

    [SOLVED] Storage-Speed / ZFS questions / HBA

    Hi! I am currently testing disk performance with different setups, just to find out what is working best, and I am observing strange behavior - or I am simply doing something wrong here :-) My Setup: - Proliant ML30 G10 / 64GB Ram (not a rocket but shold do) - Brodcom HBA 9400-16i with an...
  5. UdoB

    [TUTORIAL] FabU: This is just a small setup with limited resources and only a few disks, should I use ZFS at all?

    Should I use ZFS at all? For once this requires a disclaimer first: I am using ZFS nearly everywhere, where it is easily possible, though exceptions do exists. In any case I am definitely biased pro ZFS. That said..., the correct answer is obviously: “Yes, of course” ;-) Integrity ZFS assures...
  6. UdoB

    [TUTORIAL] FabU: Can I use ZFS RaidZ for my VMs?

    Assumption: you use at least four identical devices for that. Mirrors, RaidZ, RaidZ2 are possible - theoretically. Technically correct answer: yes, it works. But the right answers is: no, do not do that! The recommendation is very clear: use “striped mirrors”. This results in something similar...
  7. R

    Migrate Raid z-1 to mirror

    Due to lack of pcie slots available I want one of my m.2 slots back. I want to add sata ports with a m.2 to sata adapter. Currently I have a raid z-1 pool with the 3 m.2 drives, for proxmox. Anyone know how to migrate the pool to a mirror? To put it simply I want to give only 2 drives to...
  8. D

    raidz from 4 disk to 3 is it possible?

    i've been using my old hardware to run proxmox with 4 hdd in a raidz, as i'm using sole old hardware to do some test with proxmox one disk have failed an now the zpool is degraded, unfortunatelly i don't have any other disk that i can change it with, so as raidz can work with 3 disk minimum and...
  9. N

    RAIDZ mit TrueNAS und NextCloud

    Hey Zusammen, ich habe ein HomeServer mit folgenden Festplatten: Zwei Intel SSD für proxmox, eine Samsung SSD VMs und Container und fünf HDDs sollen den data tank darstellen. Hierzu habe ich folgendes gemacht: # zpool create -f -o ashift=12 <pool> raidz1 <device1> <device2> <device3> <device4>...
  10. I

    The problem with RAIDZ or why you probably won't get the storage efficiency you think you will get

    I wrote something down on Github and would love to hear your feedback.
  11. J

    How to configure ZFS, 3 drives total - 2 + 1 hot spare

    Hello, I am quite new to proxmox, but enjoying it so far. I currently have 3, 2TB SATA hard drives, and I'm trying to set them up in proxmox to be in a RAID where there are 2 main drives with 1 as a hot spare, so if 1 drive fails the hot spare will replace it until I get a new drive. So this...
  12. H

    (beginner) NVMe drive setup: will I be stupid?

    Hey there! I'm starting to upgrade my home server and want to start using proxmox to seperate my concerns, those being: - Photo backup using immich - DDNS & nginx web server - Paperless & Obsidian - Home Assistant AFAIK, its quite important to start out with the correct number of drives; as I...
  13. D

    Raidz0 configuration

    Hey all, hopefully a quick answer. I am looking to get 3 SSD's into raidz0, this will be a vm pool to reduce the ridiculous io delay I have now. I do have a solid redundancy strategy and backup system already in place. Would someone be able to point me to the cli commands or gui setup to make...
  14. T

    Filesystem: ZFS (RAID1) vs ZFS (RAIDZ-1)

    TL;DR ZFS RAID1 vs RAIDZ-1? Hello comrades, After a long trip with Proxmox 6 its time to move on to 7 now. Trying a new clean install i found the BTRFS implementation (not interested for now) and an old intrigue that I could never answer. -Why on the Filesystem options i get options like ZFS...
  15. A

    Cannot import rpool "INVALID EXCHANGE"

    Hello everyone, I installed proxmox on a dell R710; everything fine, unless one day after reboot the OS doesn't start and It stays on INITRAMFS; The error is: "CANNOT IMPORT RPOOL INTERNAL ERROR: INVALID EXCHANGE" I tried to manually import 'rpool', following some guides on this forum, but I...
  16. F

    Advise for raid ZFS data

    Hello, I would like some advice for my data raid. I have a Proxmox with 4 SSD 2TB for data. (64Go ram, Intel Xeon 3.7GHz 8 core) On this data raid I would like to put several Windows and Linux VMs. The but is : fast raid and the security of being able to lose 1 disc I started by doing a...
  17. S

    How to do disk mirroring on already running system?

    Greetings, I made a poo poo when installing my server, forgot to turn on mirror on two nvme system drives. Somehow Proxmox GUi shows 100gb of HD space(root). How do I check on which partition OS is installed? I guess its on /dev/nvme0n1p3.. How do I extend this partition to full remaining...
  18. R

    Gesamter Speicherverbrauch unter RAID-Z via Kommandozeile abrufen?

    Hallo, wie kann ich analog zum Proxmox-Webinterface den gesamten Festplattenspeicherverbrauch des Hypervisors via Kommandozeile abrufen? Eine Abfrage wie # df -h Filesystem Size Used Avail Use% Mounted on udev 7.6G 0 7.6G 0% /dev tmpfs 1.6G 9.2M 1.6G...