RAID devices not listed under /dev

Aaron Schneider notstop@users.sourceforge.net
Fri Jul 20 22:31:00 GMT 2012


The tested computer has SSD dual (RAID 0), 2x64GB, partition type is MBR.

Fedora-17-x86_64-Live-Desktop shows the following devices:

(parted) print devices
/dev/sda (64.0GB)
/dev/sdb (64.0GB)
/dev/mapper/live-osimg-min (4295MB)
/dev/mapper/live-rw (4295MB)
/dev/sr0 (676MB)
/dev/md126 (128GB)
(parted) quit

/dev/md126 is the virtual c: drive presented to Windows.
The list of device's partition table:

---------------

[root@localhost liveuser]# parted -l
Error: Can't have a partition outside the disk!
Model: ATA TOSHIBA THNSNC06 (scsi)
Disk /dev/sda: 64.0GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:

Error: /dev/sdb: unrecognised disk label
Model: ATA TOSHIBA THNSNC06 (scsi)
Disk /dev/sdb: 64.0GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:

Model: Linux device-mapper (snapshot) (dm)
Disk /dev/mapper/live-osimg-min: 4295MB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:

Number  Start  End     Size    File system  Flags
  1      0.00B  4295MB  4295MB  ext4

Model: Linux device-mapper (snapshot) (dm)
Disk /dev/mapper/live-rw: 4295MB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:

Number  Start  End     Size    File system  Flags
  1      0.00B  4295MB  4295MB  ext4

Error: The partition's data region doesn't occupy the entire partition.
Ignore/Cancel? I
Error: Can't have overlapping partitions.
Model: MATSHITA DVD-RAM UJ892AS (scsi)
Disk /dev/sr0: 676MB
Sector size (logical/physical): 2048B/2048B
Partition Table: unknown
Disk Flags:

Model: Linux Software RAID Array (md)
Disk /dev/md126: 128GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number  Start   End     Size    Type     File system  Flags
  1      1049kB  8450MB  8449MB  primary  ntfs         diag
  2      8450MB  8555MB  105MB   primary  ntfs         boot
  3      8555MB  128GB   119GB   primary  ntfs
---------------

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