Re: help raid 1 message

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On 7/28/25 11:18 AM, François Patte wrote:
Error: The primary GPT table is corrupt, but the backup appears OK, so that will
be used.
OK/Cancel? ^C
Model: QNAP TR-002 DISK00 (scsi)
Disk /dev/sdc: 8002GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:

Number  Start   End     Size    File system  Name        Flags
  1      1049kB  8002GB  8002GB               Linux RAID  raid


Error: The primary GPT table is corrupt, but the backup appears OK, so that will be used.
OK/Cancel? ^C
Model: QNAP TR-002 DISK01 (scsi)
Disk /dev/sdd: 8002GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:

Number  Start   End     Size    File system  Name        Flags
  1      1049kB  8002GB  8002GB               Linux RAID  raid


Don't try fixing the GPT table until things are resolved.

Now mdadm:


  mdadm --detail /dev/md127
/dev/md127:
            Version : 1.2
      Creation Time : Thu Sep  5 23:24:40 2024
         Raid Level : raid1
         Array Size : 7813894464 (7451.91 GiB 8001.43 GB)
      Used Dev Size : 7813894464 (7451.91 GiB 8001.43 GB)
       Raid Devices : 2
      Total Devices : 2
        Persistence : Superblock is persistent

      Intent Bitmap : Internal

        Update Time : Wed Jul  9 10:26:46 2025
              State : clean
     Active Devices : 2
    Working Devices : 2
     Failed Devices : 0
      Spare Devices : 0

Consistency Policy : bitmap

               Name : dipankar.homelinux.org:0
               UUID : e22b6a9f:35787ad8:805092de:e9c5f2ca
             Events : 127371

     Number   Major   Minor   RaidDevice State
        0       8       48        0      active sync   /dev/sdd
        2       8       32        1      active sync   /dev/sdc

How did you create this? The RAID pieces are in partitions, but your RAID array is using the raw disks. I hope you have backups. I would suggest stopping this array and create one using sdc1 and sdd1.

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