zpool

  1. C

    ZFS ZFS Boot Issue

    I have a FreeBSD production system with 12 3TB SATA drives in a a JBoD triple-parity ZFS configuration spanning around 30TB. This was working well for months, through numerous reboots, however after a power outage Friday it's been unable to boot, giving 3 or more (it varies) `zio_read error...
  2. D

    ZFS Moving data from OLD zpool to NEW zpool on the same PC.

    My old zpool raidz1 was maxing out and one of the hard drives was starting to go bad. I created the new zpool using new and bigger drives and now I need to transfer the files from old zpool to new zpool. Can I simply copy and paste or mv/cp the files over or do I need to use export/import? Both...
  3. K

    ZFS Hard Drive Died, ZFS partitions need to be restored

    Hello and thanks in advance! I have local home FreeNAS server with ZFS pools on and a couple of 4Tb hard drives connected. Didn't use mirroring, shame on me. One of the drives partially died. I mean, gpart gives me partitions, but I get IO error when try to mount it. So now I have an image of...
  4. G

    ZFS The best way to move zpool to other disks

    Hi, I need to move zpool to faster SSD disks. I'm new to ZFS so I may be wrong but I assume that the best way to do this is to create zpool on new disks again and then send 'zroot' over 'zfs send' command. Am I right? My zpool status output: NAME STATE READ WRITE CKSUM...
  5. H

    ZFS How do I make sure usb external disks added without raid to zpool are properly seen by the system?

    Last time I tried this, I had trouble where the box would not boot. I think the device id of the usb external disks changes on reboot. I wonder if this is solved by plugging all the external drives in and rebooting before I add anything. Should there be a way that ZFS just knows which drive is...
  6. D

    ZFS zpool on SSD Pros & Cons

    Hello all, Finding myself at a crossroad. Need to transfer my home files to a new zpool with bigger drives but not sure if I should get smaller but more cost-effective HDD and wait for SSD prices to drop in the next 5 years or so, OR should I get bigger and costlier HDD for future-proofing...
  7. NapoleonWils0n

    Solved importing zfs dataset from an external drive to new machine

    Hi I have just installed Freebsd on my old Macmini and want to transfer zfs datasets from a usb drive to the macmini I just need to copy across some data and set up a few config files to get macmini set up, so i can finally ditch osx and go full freebsd on all my machines Is it possible to do...
  8. quakerdoomer

    Mounting an encrypted zfs GELI partition - zpool?

    Using a live media, I have taken a dd image of my main encrypted zfs GELI FreeBSD partition (not the entire disk) and of the encrypted key file as well. The dd image and the encrypted file are on an external disk now. Now I started FreeBSD normally, I did mdconfig and did a geli attach of the dd...
  9. S

    ZFS zpool, replace two device with one

    I have real zpool with files, but want to test firstly. I created simple zpool with files: # zpool status -v pool: ztst state: ONLINE scan: resilvered 19.5K in 0h0m with 0 errors on Thu Mar 14 14:44:20 2019 config: NAME STATE READ WRITE CKSUM ztst...
  10. I

    ZFS How to get Latency and IOPS in a Zvol?

    Hi All, do it is possible that i find Latency and IOPS from zpool iostat -vl output for a zvol? very thanks for your helps. The best Regard,
  11. v.okaevich

    ZFS How to get access to a file system tree on the second disk with ZFS?

    Hi, everyone! There is two hard drive on the system % uname -a FreeBSD desktop.freebsd.lan 12.0-RELEASE-p2 FreeBSD 12.0-RELEASE-p2 r343203 OptiPlex amd64 Description of the connected disks: KINGSTON - SSD disk with newly installed FreeBSD 12.0-RELEASE-p2 WD - old SATA disk with FreeBSD 11.2...
  12. Petr Fischer

    ZFS can't import zroot pool after failed freebsd-update (unresponsive tx->tx state)

    I did freebsd-update from 11.1 to 11.2-RELEASE, but I did not have enough disk space and "freebsd-update install" stage failed (No disk space error) - so my system is screwed. I booted from FreeBSD 11.1 install ISO (LiveCD) and I thought I would rollback the ZFS snapshots on the zroot pool and...
  13. `Orum

    Solved Destroying a read-only zpool?

    I have a pool on a system that can only be imported as read-only (it has a feature flag enabled that FreeBSD doesn't support). However, I'd ultimately like to destroy it and recreate it under FreeBSD, but whenever you zpool destroy a read-only pool it acts like you've exported it, not destroyed...
  14. M

    Solved zpool repair input/output errors in /var/log

    Dear community, I'd like to kindly ask you for a little help in my situation: I'm running a ZFS pool of 3 drives. What happened is - a power cable powering 2 drives had a bad contact, so I started loosing 2 out of 3 drives and having a lot of UDMA errors and CAM status timeouts etc. Yesterday...
  15. U

    Solved Create first raidz or encryption?

    I'm trying to create encrypted raidz, but how? https://www.digitalocean.com/community/tutorials/how-to-configure-an-encrypted-zfs-pool-with-digitalocean-block-storage-on-freebsd If I understand correctly, I need to encrypt every disk before creating zpool, like this: % sudo gpart add -t...
  16. French Fries

    ZFS PostgreSQL and zfs/ufs performace

    Dear friends, I am migrating from Debian GNU/Linux to FreeBSD. I could be using KfreeBSD, but I prefer blending-edge and also become part of a community, so I will not stick to Debian, although I appreciate the spirit. The server board has 32 CPUs, 32GB of RAM, 1 x SSD and 5 x SATA disc...
  17. I

    ZFS Failed to boot: unsuported feature: org.illumos.sha512

    Hello, Today I upgraded my FreeBSD 11-STABLE to recent version r322164. After that I cannot boot from my pool: Booting from Hard Disk... ZFS: unsuported feature: org.illumos.sha512 ZFS: pool zironroot is not supported gptzfsboot: failed to mount default pool zironroot FreeBSD/x86 boot Default...
  18. G

    Solved No space left on device

    When I run command pkg update on FreeBSD 11.0 I'm getting this error: [srv]# pkg update Updating FreeBSD repository catalogue... pkg: Repository FreeBSD load error: access repo file(/var/db/pkg/repo-FreeBSD.sqlite) failed: No such file or directory Fetching meta.txz: 100% 944 B 0.9kB/s...
  19. M

    ZFS "zfs create" on directory with existing data

    I have a single disk on my server. I simply went for ZFS "stripe" (no redundancy) when installing FreeBSD. zpool status prints the following: pool: zroot state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 ada0p4 ONLINE...
  20. J

    Solved No data found after mounting zpool

    I recently reinstalled Proxmox VE and lost access to our storage system. When remounting the zpool, no data appears in the folder. zfs list NAME USED AVAIL REFER MOUNTPOINT rpool 9.36G 98.2G 96K /rpool rpool/ROOT 876M 98.2G 96K...
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