Search results

  1. Y

    Replicate VM's volume and Snapshot

    Hello, what is the best way to replicate to a separate ZFS volume ( on the same server ) a VM disk + Snapshot? Thanks!
  2. Y

    Manually create ZFS pool / tuning

    Hello, if i have to create a ZFS pool on a couple of SATA HD or SSD now i use: zpool create -f -o ashift=12 rpool mirror /dev/sda /dev/sdb Question: is it correct or have i to add some ZFS tuning option like "compression=on" to have best I/O performance ? Thanks
  3. Y

    Missing all zfs volumes in /dev/zvol after crash and reboot except rpool

    in my case is: ls -la /dev/zvol drwxr-xr-x 2 root root 60 Apr 21 08:45 rpool and should be drwxr-xr-x 2 root root 60 Apr 21 08:45 rpool drwxr-xr-x 2 root root 60 Apr 21 08:45 storage Where is storage pool ? Thanks
  4. Y

    Missing all zfs volumes in /dev/zvol after crash and reboot except rpool

    Hello, after a crash and reboot my server can't see all volumes on /dev/zvol except rpool. If i try to create a new zfs volume and import it using web panel... same result none on /dev/zpool. So i can't start my LXC vps. ( i have only one LXC VPS hosted ) I have an importatnt volume (Raid1)...
  5. Y

    How Can Avoid disk renaming adding new HD

    Hello, how can avoid disk renaming adding disk ? Usually i have server with 12 Bay, os on 2 SSD (sda/sdb). Remainig disk are couple of disk in stripe. I Start with 2 disk and sometimes i add more couple. Every time i add disk and reboot i find different name on the device and Zpool status give...
  6. Y

    Volume disappeared after crash and reboot

    I have finded the cause, we have insered 7 new Hard disk, hot swap, after the crash, the server reboot and re-map every HD!! so every entry like sdc/sdd/sde are changed ! zpool status -v pool: rpool state: ONLINE scan: scrub repaired 0B in 0h1m with 0 errors on Sun Apr 8 00:25:18 2018...
  7. Y

    Volume disappeared after crash and reboot

    Hello, after a crash and reboot i can't see my "storage" zfs volume under /dev/zvol and at boot promt i see: a start job is running for udev wait for complete device initialization ... ls -la /dev/zvol total 0 drwxr-xr-x 3 root root 60 Apr 20 08:54 . drwxr-xr-x 21 root root 5280 Apr 20 08:56...
  8. Y

    Infinite Resilvering on Raid1 Zfs

    Is it possible to force stop the resilvering ?
  9. Y

    Infinite Resilvering on Raid1 Zfs

    The problem is That resilvering is infinite ...
  10. Y

    Infinite Resilvering on Raid1 Zfs

    Hello, i have a Raid 1 in Resilvering state from 2 month .. it's a stage server.. not critical. I have thinked to stop the resilvering to try a SCRUB but i can't stop it: ---------------------------------------------------------------------------------------------------------- zpool status...
  11. Y

    I/O problems on Windows 2016 VM

    Hello, i have tested every options to have decent performance on Windows 2016 VM but with big writes ( over 30/40Giga ) the VM hang and i can see on dmesg: -------------------------------------------------------------------------------------------------------------------------------------- [...
  12. Y

    Boot problem Changing from Virtio to SCSI Virtio on Windows srv 2016

    Hello, i'm testing Win2016 server VM, using Virtio disk ( no SCSI VIRTIO ) i have very slow I/O performance ( Write Back or NoCACHE ). Is it better to switch to SCSI VIRTIO ? I have tried but the VM can't boot .. need i a new setup from zero or can i switch in some way from Virtio to SCSI VIRTIO...
  13. Y

    Remove Zfs Snapshot - Best Practise

    Hello, what is the best practice to remove old zfs snapshot ? Can i remove only strating from newer or can i start olso from older ? Can i remove a random snapshot without corrupt others ? Can i remove all VM snapshot using one commant line ? Thanks!
  14. Y

    Zfs Snapshot fails - out of space

    No, is not flagged, i have noticed it only now! .. i think i have to flag it, right ?
  15. Y

    Zfs Snapshot fails - out of space

    Many Thanks, i make a full backup than i try!
  16. Y

    Zfs Snapshot fails - out of space

    root@nodo5:~# zfs get all rpool/KVM/vm-105-disk-1 NAME PROPERTY VALUE SOURCE rpool/KVM/vm-105-disk-1 type volume - rpool/KVM/vm-105-disk-1 creation Thu Aug 3 15:16 2017 - rpool/KVM/vm-105-disk-1...
  17. Y

    Zfs Snapshot fails - out of space

    root@nodo5:~# zpool list NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT rpool 2.09T 480G 1.62T - 34% 22% 1.00x ONLINE - FREE: 1.62T
  18. Y

    Zfs Snapshot fails - out of space

    I see 398G free, where do you see is full ? Thanks