Today I had to reboot my OMW because of failures on log in the web gui.. but after it failed to reboot hanging just after the grub I understood the disk was damaged.
I had 1 OS hard disk (crashed), and 4 hd in raid 1+0 (coupled 2Tb sda + 1Tb sdb / 2Tb sdc + 1Tb sdd) to obtain 3Tb mirrored.
Now I reinstalled a new OS hard disk, but I don't know how to recognize/recreate the old RAID array.
# blkid
/dev/sda1: UUID="0c0bc765-b7aa-4532-98eb-d4cb83d21b0e" TYPE="ext4"
/dev/sda5: UUID="f163d7c5-e228-4306-9f37-09bceb734ba1" TYPE="swap"
/dev/sde1: UUID="c17401d3-1d95-42d5-acc4-e0e64cdf0927" TYPE="ext4"
/dev/sde5: UUID="0eb849ea-8a2b-4f6d-8618-a9a38cddcc9b" TYPE="swap"
#fdisk -l
Disk /dev/sda: 2000.4 GB, 2000398934016 bytes
255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x0008c37b
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 3890782207 1945390080 83 Linux
/dev/sda2 3890784254 3907028991 8122369 5 Extended
Partition 2 does not start on physical sector boundary.
/dev/sda5 3890784256 3907028991 8122368 82 Linux swap / Solaris
Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/sdb doesn't contain a valid partition table
Disk /dev/sdc: 2000.4 GB, 2000398934016 bytes
255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Disk /dev/sdc doesn't contain a valid partition table
Disk /dev/sdd: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Disk /dev/sdd doesn't contain a valid partition table
OMV boot disk:
Disk /dev/sde: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000560d9
Device Boot Start End Blocks Id System
/dev/sde1 * 2048 960526335 480262144 83 Linux
/dev/sde2 960528382 976771071 8121345 5 Extended
/dev/sde5 960528384 976771071 8121344 82 Linux swap / Solaris
So, that's all.. please help!