Raid clean, degraded

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    • Raid clean, degraded

      Hello,

      After my external Hard Drive Bay lost Power due to Power Failure from the Main Grid, i cannot access my Backup. In "File-Systems" the Partition is listed as "missing" and in the "Raid Management" as clean and degraded.
      Is there hope to restore my data ?

      Greetings

      Manicat

      Source Code

      1. Personalities : [raid1]
      2. md0 : active raid1 sdb[1]
      3. 1953383488 blocks super 1.2 [2/1] [_U]
      4. bitmap: 2/15 pages [8KB], 65536KB chunk
      5. unused devices: <none>

      Source Code

      1. # mdadm.conf
      2. #
      3. # Please refer to mdadm.conf(5) for information about this file.
      4. #
      5. # by default, scan all partitions (/proc/partitions) for MD superblocks.
      6. # alternatively, specify devices to scan, using wildcards if desired.
      7. # Note, if no DEVICE line is present, then "DEVICE partitions" is assumed.
      8. # To avoid the auto-assembly of RAID devices a pattern that CAN'T match is
      9. # used if no RAID devices are configured.
      10. DEVICE partitions
      11. # auto-create devices with Debian standard permissions
      12. CREATE owner=root group=disk mode=0660 auto=yes
      13. # automatically tag new arrays as belonging to the local system
      14. HOMEHOST <system>
      15. # definitions of existing MD arrays
      16. ARRAY /dev/md0 metadata=1.2 name=raspberrypi:IB4TB UUID=0440aa50:19c3b9fd:a84c2bd5:c58e17b7
      17. # instruct the monitoring daemon where to send mail alerts
      Display All

      Source Code

      1. ARRAY /dev/md0 level=raid1 num-devices=2 metadata=1.2

      Source Code

      1. Disk /dev/ram0: 4 MiB, 4194304 bytes, 8192 sectors
      2. Disk /dev/ram1: 4 MiB, 4194304 bytes, 8192 sectors
      3. Disk /dev/ram2: 4 MiB, 4194304 bytes, 8192 sectors
      4. Disk /dev/ram3: 4 MiB, 4194304 bytes, 8192 sectors
      5. Disk /dev/ram4: 4 MiB, 4194304 bytes, 8192 sectors
      6. Disk /dev/ram5: 4 MiB, 4194304 bytes, 8192 sectors
      7. Disk /dev/ram6: 4 MiB, 4194304 bytes, 8192 sectors
      8. Disk /dev/ram7: 4 MiB, 4194304 bytes, 8192 sectors
      9. Disk /dev/ram8: 4 MiB, 4194304 bytes, 8192 sectors
      10. Disk /dev/ram9: 4 MiB, 4194304 bytes, 8192 sectors
      11. Disk /dev/ram10: 4 MiB, 4194304 bytes, 8192 sectors
      12. Disk /dev/ram11: 4 MiB, 4194304 bytes, 8192 sectors
      13. Disk /dev/ram12: 4 MiB, 4194304 bytes, 8192 sectors
      14. Disk /dev/ram13: 4 MiB, 4194304 bytes, 8192 sectors
      15. Disk /dev/ram14: 4 MiB, 4194304 bytes, 8192 sectors
      16. Disk /dev/ram15: 4 MiB, 4194304 bytes, 8192 sectors
      17. Disk /dev/mmcblk0: 14.7 GiB, 15811477504 bytes, 30881792 sectors
      18. Disk identifier: 0xc5ac05a5
      19. Disk /dev/zram0: 122.1 MiB, 128024576 bytes, 31256 sectors
      20. Disk /dev/zram1: 122.1 MiB, 128024576 bytes, 31256 sectors
      21. Disk /dev/zram2: 122.1 MiB, 128024576 bytes, 31256 sectors
      22. Disk /dev/zram3: 122.1 MiB, 128024576 bytes, 31256 sectors
      23. Disk /dev/sda: 1.8 TiB, 2000398934016 bytes, 3907029168 sectors
      24. Disk /dev/sdc: 1.8 TiB, 2000398934016 bytes, 3907029168 sectors
      Display All

      Source Code

      1. /dev/mmcblk0p1: LABEL="boot" UUID="CE83-8CE1" TYPE="vfat" PARTUUID="c5ac05a5-01"
      2. /dev/mmcblk0p2: UUID="2666ed46-1bb6-4ad7-ab5d-2ccde455c5e5" TYPE="ext4" PARTUUID="c5ac05a5-02"
      3. /dev/zram0: UUID="35ce7472-fb98-4604-a451-5a0c3af1fdac" TYPE="swap"
      4. /dev/zram1: UUID="d4dd25be-ee64-49af-85b1-807d7b1bdfbf" TYPE="swap"
      5. /dev/zram2: UUID="e75d0772-d308-48d7-9972-415b6d109277" TYPE="swap"
      6. /dev/zram3: UUID="28e32434-0383-404a-b44a-dc139ad71d5c" TYPE="swap"
      7. /dev/sda: UUID="0440aa50-19c3-b9fd-a84c-2bd5c58e17b7" UUID_SUB="0ae541c9-813e-380e-c173-db36394647d5" LABEL="raspberrypi:IB4TB" TYPE="linux_raid_member"
      8. /dev/sdc: UUID="0440aa50-19c3-b9fd-a84c-2bd5c58e17b7" UUID_SUB="321de1f1-ef77-d735-c243-4b7c32566a71" LABEL="raspberrypi:IB4TB" TYPE="linux_raid_member"
      9. /dev/mmcblk0: PTUUID="c5ac05a5" PTTYPE="dos"
      10. /dev/mmcblk0p3: PARTUUID="c5ac05a5-03"