I had a Lacie 5Big network 2 with 5 2tb hdd of it disk 2 and 3 are missing from raid 6, so the Lacie never boot again.. I cloned the 3 rest disks mount it on Ubuntu virtual machine, I need to emulate the raid 6 to recover my information please..

# fdisk -l

Disk /dev/sdb: 1.8 TiB, 2000398934016 bytes, 3907029168 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
Disklabel type: gpt
Disk identifier: B5AF2D81-5FCC-11D3-B07D-BEC07E6256B8

Device       Start        End    Sectors  Size Type
/dev/sdb1  4038656    4040703       2048    1M Microsoft basic data
/dev/sdb2  4046848 3907027119 3902980272  1.8T Microsoft basic data
/dev/sdb3  4040704    4042751       2048    1M Microsoft basic data
/dev/sdb4  4042752    4046847       4096    2M Microsoft basic data
/dev/sdb5     2048     520191     518144  253M Microsoft basic data
/dev/sdb6   520192     536575      16384    8M Microsoft basic data
/dev/sdb7   536576     569343      32768   16M Microsoft basic data
/dev/sdb8   569344    2256895    1687552  824M Microsoft basic data
/dev/sdb9  2256896    4022271    1765376  862M Microsoft basic data
/dev/sdb10 4022272    4038655      16384    8M Microsoft basic data

Partition table entries are not in disk order.


Disk /dev/sdc: 1.8 TiB, 2000398934016 bytes, 3907029168 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
Disklabel type: gpt
Disk identifier: 1627E101-6E8E-11D3-9378-EB1415753F50

Device       Start        End    Sectors  Size Type
/dev/sdc1  4038656    4040703       2048    1M Microsoft basic data
/dev/sdc2  4046848 3907027119 3902980272  1.8T Microsoft basic data
/dev/sdc3  4040704    4042751       2048    1M Microsoft basic data
/dev/sdc4  4042752    4046847       4096    2M Microsoft basic data
/dev/sdc5     2048     520191     518144  253M Microsoft basic data
/dev/sdc6   520192     536575      16384    8M Microsoft basic data
/dev/sdc7   536576     569343      32768   16M Microsoft basic data
/dev/sdc8   569344    2256895    1687552  824M Microsoft basic data
/dev/sdc9  2256896    4022271    1765376  862M Microsoft basic data
/dev/sdc10 4022272    4038655      16384    8M Microsoft basic data

Partition table entries are not in disk order.


Disk /dev/sda: 1.8 TiB, 2000398934016 bytes, 3907029168 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
Disklabel type: gpt
Disk identifier: 5FA4F781-62F6-11D3-9AF5-96D50CBB9EB8

Device       Start        End    Sectors  Size Type
/dev/sda1  4038656    4040703       2048    1M Microsoft basic data
/dev/sda2  4046848 3907027119 3902980272  1.8T Microsoft basic data
/dev/sda3  4040704    4042751       2048    1M Microsoft basic data
/dev/sda4  4042752    4046847       4096    2M Microsoft basic data
/dev/sda5     2048     520191     518144  253M Microsoft basic data
/dev/sda6   520192     536575      16384    8M Microsoft basic data
/dev/sda7   536576     569343      32768   16M Microsoft basic data
/dev/sda8   569344    2256895    1687552  824M Microsoft basic data
/dev/sda9  2256896    4022271    1765376  862M Microsoft basic data
/dev/sda10 4022272    4038655      16384    8M Microsoft basic data

Partition table entries are not in disk order.


mdadm --examine /dev/sda /dev/sdc /dev/sdd
/dev/sda:
   MBR Magic : aa55
Partition[0] :   4294967295 sectors at            1 (type ee)
/dev/sdc:
   MBR Magic : aa55
Partition[0] :   4294967295 sectors at            1 (type ee)
/dev/sdd:
   MBR Magic : aa55
Partition[0] :     29358080 sectors at         2048 (type 83)
Partition[1] :      4190210 sectors at     29362174 (type 05)

I had installed mdadm software but i don’t know where start

@Nige,

Thanks for informing us, we’ve corrected the command in the article..

Irrespective – very informative! Thanks.