Changing Raid1 to 2 single disks

    • OMV 4.x
    • Resolved
    • Changing Raid1 to 2 single disks

      Hi,
      the last weeks I am experimenting with OMV - great system!

      I configured my system like this:
      Mainboard: Fujitsu D3417B
      Celeron G3900
      8 GB ECC Ram
      SSD for System
      2 3TB WD Red hdd

      I setup my 2 HDD as RAID 1 and I now think it would be better to use the HDDs as 2 single disks. How can I do this?
      My idea is like this:
      divide the RAID - how do I do this?
      delete one of the drives.
      Create a filesystem on the deleted drive
      mount the new created filesystem
      copy the data from the old RAID drive to the new created
      after successful copy, delete the left drive and build a new filesystem to use the drive as a backupdrive.

      Will this work?
      Any advice?

      Thanks for some help.

      Best.
      Fabian

      PS: This is my first post. I am a Windows user. I have a little experience with Linux...but with a ubuntu desktop system. So please be patient ;)
      MoBo: Fujitsu D3417-B
      CPU: Intel Celeron G3900
      RAM: Samsung DDR4 - 8 GB ECC
      Case: Fractal Design Node 80
      HDD: SSD 64GB (System), 2*3TB (Data) + 1*4TB (Parity). UnionFS + Snapraid
      OMV 4
    • Sounds like a very good plan

      I use a similar scheme but between computers with one disk each.

      I don't backup everything, that allows me to have a backup system based on several versions of overlapping linked rsync snapshots.
      OMV 4, 7 x ODROID HC2, 1 x ODROID HC1, 3 x 12TB, 2 x 8TB, 1 x 4TB, 1 x 2TB SSHD, 1 x 500GB SSD, GbE, WiFi mesh
    • macom wrote:

      Remove RAID1 configuration

      For creating the backup have a look at rsync and rsnapshot.
      thanks for the Link.
      The only thing I am not sure is how to unlink one disc?
      Will this work:
      1. shut down system
      2. Take out one drive (physically - unplug it)
      3. Wipe the drive with a different system
      4. Put it in the Openmediavault PC
      5. Reboot
      6. Copy all data

      Any advice?

      Thanks!
      F.
      MoBo: Fujitsu D3417-B
      CPU: Intel Celeron G3900
      RAM: Samsung DDR4 - 8 GB ECC
      Case: Fractal Design Node 80
      HDD: SSD 64GB (System), 2*3TB (Data) + 1*4TB (Parity). UnionFS + Snapraid
      OMV 4

      The post was edited 2 times, last by FFrank ().

    • Should work. After pulling the drive and before wiping I would start up OMV to make sure that the remaining drive of the RAID is accessible. Should be marked as "degraded" in status, but the data should be still available.

      To be safe you should also have an additional backup of your data.
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      Asrock Q1900DC-ITX - 16GB - 2x Seagate ST3000VN000 - Intenso SSD 120GB - OMV4.x
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