• Device Pool - BTRFS - RAID 0 - May not be working correctly?

    Interstellar

    By Interstellar

      • Closed Minor

    Background

     

    Two 320GB 2.5" disks setup as a RAID 0 pool, total available space as expected (640GB) used as CCTV storage using beta30. (I'm going to wait until I have to disconnect the server to update to 35).

     

    However, I've noticed that the CCTV camera stops recording once the disk is "full", i.e. 638GB of 640GB used.

     

    I thought I'd messed up the config so I deleted the pool, wiped the drives and then configured another RAID 0 pool, again 640GB available.

     

    However the CCTV cameras have now stopped recording...

     

    Looking closer... (this is after I've started a balance), RAID0 line showed a total of 2GB before the start...

      

    Data, RAID1: total=293.00GiB, used=293.00GiB
Data, RAID0: total=6.12GiB, used=4.06GiB
System, RAID1: total=32.00MiB, used=64.00KiB
Metadata, RAID1: total=1.00GiB, used=342.30MiB
GlobalReserve, single: total=337.02MiB, used=0.00B

     

    Why is SMB and UnRAID UI stating 640GB available, yet the data is being recorded in RAID1 mode??

     

    Have I messed up the config here again, or is there a bug?

     

    Edit: Nothing obvious in the logs relating to either the disks, the pool itself or SMB giving a write error. Also cancelled the balance and hit the 'convert to RAID 0' mode which seems to be balancing the disks again.

     

    Edit 2: I've deleted data off the drives, hit the convert to RAID 0 button, once that's finished I'll let the CCTV record again.

     

     

     

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    Interstellar

    Ah, that probably explains why its now working properly after converting/balancing it to RAID0 again.

     

    Many Thanks, I thought I was going mad!

    Edited by Interstellar
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