NAS540 RAID1 to RAID5 migration incomplete

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rafalg
rafalg Posts: 2
First Comment
in Personal Cloud Storage

I have a NAS540 device and it was configured in RAID1 on 2 4TB drives. after adding the 4TB drive I started migrating to RAID5. after reaching 100% (and it took 2 days) and after the next 24 hours, the spinning circle is still shown and the process has an incomplete status. On the Hard Disk tab, three disks are described as forming a RAID5 array. What to do now ?

Regards

raid1toraid5.JPG
raid1toraid5_dyski.JPG

Rafalg

Accepted Solution

  • Mijzelf
    Mijzelf Posts: 2,610  Guru Member
    First Anniversary 10 Comments Friend Collector First Answer
    Answer ✓
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    Login over ssh, and execute

    cat /proc/mdstat

    to see what the kernel thinks about the conversion. I think the firmware daemon just missed the 'operation completed' signal.

All Replies

  • Mijzelf
    Mijzelf Posts: 2,610  Guru Member
    First Anniversary 10 Comments Friend Collector First Answer
    Answer ✓
    Options

    Login over ssh, and execute

    cat /proc/mdstat

    to see what the kernel thinks about the conversion. I think the firmware daemon just missed the 'operation completed' signal.

  • rafalg
    rafalg Posts: 2
    First Comment
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    Before restarting, I logged in to the console via SSH and checked the matrix status:

    Everything seemed to be OK

    ~ # mdadm --detail /dev/md2

    /dev/md2:

            Version : 1.2

      Creation Time : Mon Feb  1 14:08:39 2016

         Raid Level : raid5

         Array Size : 7805773440 (7444.17 GiB 7993.11 GB)

      Used Dev Size : 3902886720 (3722.08 GiB 3996.56 GB)

       Raid Devices : 3

      Total Devices : 3

        Persistence : Superblock is persistent

        Update Time : Fri Feb 16 10:32:02 2024

              State : clean

    Active Devices : 3

    Working Devices : 3

    Failed Devices : 0

      Spare Devices : 0

            Layout : left-symmetric

         Chunk Size : 64K

               Name : NAS540:2  (local to host NAS540)

               UUID : 4b8110cb:f1fd3ffa:0dc51f0a:4cab2bc2

             Events : 17127

        Number   Major   Minor   RaidDevice State

           0       8        3        0      active sync   /dev/sda3

           1       8       19        1      active sync   /dev/sdb3

           2       8       35        2      active sync   /dev/sdc3

    After the restart, however, the system performed some other operations and after over an hour the system recovered and is in the RAID5 configuration. Nevertheless, thanks for your reply

    Regards

    R.G.

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