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Temporary move of pool to different server.

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I had a server failure, and need to mount my drives on an older server. Unfortunately, my cache pool is a 2 drive zfs mirror, but I can only physically  connect one of the drives in the pool due to hardware limitations (no second nvme port)

When I fire up the server I can see all drives, but of course unraid says it's missing one of the nvme drives. 

I'm afraid if I use the option "Start will remove the missing pool disk and then bring the array on-line." my pool will be corrupted/damaged. This is where I have all my docker containers and VMs, and can't loose it.

Am I safe to start the array with this drive missing? I just need to start the array so that I can get the data off these drives, then I'll be able to move to a new server.

 

Thanks in advance for any info/advise

 

unraid_pools.thumb.png.19e5025277b29cf7099772a24d07d11e.png

 

tower-diagnostics-20250131-2252.zip

  • Author
root@Tower:~# zpool import
   pool: zpoolone
     id: 5701902944224246049
  state: ONLINE
 action: The pool can be imported using its name or numeric identifier.
 config:

        zpoolone    ONLINE
          raidz1-0  ONLINE
            sdc1    ONLINE
            sdb1    ONLINE
            sde1    ONLINE
            sdd1    ONLINE

   pool: cache
     id: 6309638223354245244
  state: DEGRADED
status: One or more devices contains corrupted data.
 action: The pool can be imported despite missing or damaged devices.  The
        fault tolerance of the pool may be compromised if imported.
   see: https://openzfs.github.io/openzfs-docs/msg/ZFS-8000-4J
 config:

        cache          DEGRADED
          mirror-0     DEGRADED
            nvme0n1p1  ONLINE
            nvme1n1p1  UNAVAIL

 

You can import the pool degraded, and later re-add the device to resync it.

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