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  1. shenmue-mint ~ # mdadm --verbose --create --raid-devices=3 --level=raid0 /dev/md0 /dev/sdb /dev/sdc /dev/sdd
  2. mdadm: chunk size defaults to 512K
  3. mdadm: /dev/sdb appears to be part of a raid array:
  4.        level=raid0 devices=3 ctime=Fri Apr 26 13:01:32 2019
  5. mdadm: partition table exists on /dev/sdb but will be lost or
  6.        meaningless after creating array
  7. mdadm: /dev/sdc appears to be part of a raid array:
  8.        level=raid0 devices=3 ctime=Fri Apr 26 13:01:32 2019
  9. mdadm: partition table exists on /dev/sdc but will be lost or
  10.        meaningless after creating array
  11. mdadm: /dev/sdd appears to be part of a raid array:
  12.        level=raid0 devices=3 ctime=Fri Apr 26 13:01:32 2019
  13. mdadm: partition table exists on /dev/sdd but will be lost or
  14.        meaningless after creating array
  15. Continue creating array? н
  16. Continue creating array? (y/n) y
  17. mdadm: Defaulting to version 1.2 metadata
  18. mdadm: array /dev/md0 started.
  19. shenmue-mint ~ # mount /dev/md0  /raid
  20. mount: wrong fs type, bad option, bad superblock on /dev/md0,
  21.        missing codepage or helper program, or other error
  22.  
  23.        In some cases useful info is found in syslog - try
  24.        dmesg | tail or so.
  25. shenmue-mint ~ # dmesg | tail
  26. [10485.745651] perf: interrupt took too long (3148 > 3140), lowering kernel.perf_event_max_sample_rate to 63500
  27. [10496.597005] blk_update_request: I/O error, dev fd0, sector 0
  28. [10496.597011] floppy: error -5 while reading block 0
  29. [10508.864410] blk_update_request: I/O error, dev fd0, sector 0
  30. [10508.864416] floppy: error -5 while reading block 0
  31. [10591.739324]  sdb: sdb1
  32. [10592.224035]  sdc: sdc1
  33. [10592.226143]  sdc: sdc1
  34. [10592.698993]  sdd: sdd1
  35. [10592.722793] md0: detected capacity change from 0 to 3000208195584
  36. shenmue-mint ~ # fsck /dev/md0
  37. fsck из util-linux 2.27.1
  38. e2fsck 1.42.13 (17-May-2015)
  39. ext2fs_open2: Bad magic number in super-block
  40. fsck.ext2: Superblock invalid, trying backup blocks...
  41. fsck.ext2: Bad magic number in super-block при попытке открыть /dev/md0
  42.  
  43. The superблок could not be read or does not describe a valid ext2/ext3/ext4
  44. ФС.  If the устройство is valid and it really contains an ext2/ext3/ext4
  45. ФС (and not swap or ufs or something else), then the superблок
  46. is corrupt, and you might try running e2fsck with an alternate superблок:
  47.     e2fsck -b 8193 <устройство>
  48.  or
  49.     e2fsck -b 32768 <устройство>
  50.  
  51. shenmue-mint ~ # e2fsck -b 32768 /dev/md0
  52. e2fsck 1.42.13 (17-May-2015)
  53. e2fsck: Bad magic number in super-block при попытке открыть /dev/md0
  54.  
  55. The superблок could not be read or does not describe a valid ext2/ext3/ext4
  56. ФС.  If the устройство is valid and it really contains an ext2/ext3/ext4
  57. ФС (and not swap or ufs or something else), then the superблок
  58. is corrupt, and you might try running e2fsck with an alternate superблок:
  59.     e2fsck -b 8193 <устройство>
  60.  or
  61.     e2fsck -b 32768 <устройство>
  62.  
  63. shenmue-mint ~ #
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