Lacie 5Big2 Failed After Firmware Update

[fvdw]

You want me to enter those cmds now?

yes ;)

[unlucky1]

root@(none):/ # cat /proc/partitions
major minor #blocks name

31 0 500 mtdblock0
31 1 4 mtdblock1
8 0 976762584 sdc
8 2 974737408 sdc2
8 16 976762584 sdb
8 32 976762584 sda
8 48 976762584 sde
8 64 976762584 sdd
root@(none):/ # mdadm --examine /dev/sda2
/dev/sda2:
Magic : a92b4efc
Version : 1.0
Feature Map : 0x0
Array UUID : 4f4a8ea3:4c99b769:e18e6826:872bc27f
Name : (none):4 (local to host (none))
Creation Time : Thu Jan 1 00:00:39 1970
Raid Level : raid5
Raid Devices : 5

Avail Dev Size : 1949474544 (929.58 GiB 998.13 GB)
Array Size : 3898947584 (3718.33 GiB 3992.52 GB)
Used Dev Size : 1949473792 (929.58 GiB 998.13 GB)
Super Offset : 1949474800 sectors
State : clean
Device UUID : 4cd37662:2ba33322:fa552e2d:896e2c95

Update Time : Tue Jun 18 10:35:58 2013
Checksum : f4a5a296 - correct
Events : 51808

Layout : left-symmetric
Chunk Size : 512K

Device Role : Active device 2
Array State : AAAAA ('A' == active, '.' == missing)
root@(none):/ # gdisk /dev/sda
GPT fdisk (gdisk) version 0.8.5

Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present

Found valid GPT with protective MBR; using GPT.

Command (? for help): p
Disk /dev/sda: 1953525168 sectors, 931.5 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 86337C5C-6793-4B3C-95F2-6B7403CA90CC
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 1953525134
Partitions will be aligned on 2048-sector boundaries
Total free space is 4050285 sectors (1.9 GiB)

Number Start (sector) End (sector) Size Code Name
2 4048896 1953523711 929.6 GiB 8300 Linux filesystem

[unlucky1]

I entered the 2 cmds:

root@(none):/ # mknod -m 666 /dev/sdd b 8 48
root@(none):/ # mknod -m 666 /dev/sdd2 b 8 50

[fvdw]

You want me to enter those cmds now?

yes ;)

thinking it over need to discuss with Myself because of the missing up of the names
so wait

[fvdw]

oops too late, but no harm done with that
to se what is in /dev defined as device nodes
do

Code: Select all

ls -al /dev/sd*

[unlucky1]

root@(none):/ # ls -al /dev/sd*
brw-rw---- 1 root root 8, 0 Jul 8 20:40 /dev/sda
brw-rw---- 1 root root 8, 1 Jun 1 18:17 /dev/sda1
brw-rw-rw- 1 root root 8, 10 Jun 1 18:17 /dev/sda10
brw-rw---- 1 root root 8, 2 Jun 1 18:17 /dev/sda2
brw-rw---- 1 root root 8, 3 Jun 1 18:17 /dev/sda3
brw-rw---- 1 root root 8, 4 Jun 1 18:17 /dev/sda4
brw-rw---- 1 root root 8, 5 Jun 1 18:17 /dev/sda5
brw-rw---- 1 root root 8, 6 Jun 1 18:17 /dev/sda6
brw-rw---- 1 root root 8, 7 Jun 1 18:17 /dev/sda7
brw-rw---- 1 root root 8, 8 Jun 1 18:17 /dev/sda8
brw-rw-rw- 1 root root 8, 9 Jun 1 18:17 /dev/sda9
brw-rw-r-- 1 root root 8, 16 Jun 1 18:17 /dev/sdb
brw-r--r-- 1 root root 8, 17 Jun 1 18:17 /dev/sdb1
brw-r--r-- 1 root root 8, 18 Jun 1 18:17 /dev/sdb2
brw-rw---- 1 root root 8, 19 Jun 1 18:17 /dev/sdb3
brw-rw---- 1 root root 8, 20 Jun 1 18:17 /dev/sdb4
brw-rw---- 1 root root 8, 21 Jun 1 18:17 /dev/sdb5
brw-rw---- 1 root root 8, 22 Jun 1 18:17 /dev/sdb6
brw-rw---- 1 root root 8, 23 Jun 1 18:17 /dev/sdb7
brw-rw---- 1 root root 8, 24 Jun 1 18:17 /dev/sdb8
brw-rw---- 1 root root 8, 32 Jun 1 18:17 /dev/sdc
brw-rw---- 1 root root 8, 33 Jun 1 18:17 /dev/sdc1
brw-rw---- 1 root root 8, 34 Jun 1 18:17 /dev/sdc2
brw-rw---- 1 root root 8, 35 Jun 1 18:17 /dev/sdc3
brw-rw---- 1 root root 8, 36 Jun 1 18:17 /dev/sdc4
brw-rw---- 1 root root 8, 37 Jun 1 18:17 /dev/sdc5
brw-rw---- 1 root root 8, 38 Jun 1 18:17 /dev/sdc6
brw-rw---- 1 root root 8, 39 Jun 1 18:17 /dev/sdc7
brw-rw---- 1 root root 8, 40 Jun 1 18:17 /dev/sdc8
brw-rw-rw- 1 root root 8, 48 Jul 8 20:43 /dev/sdd
brw-rw-rw- 1 root root 8, 50 Jul 8 20:43 /dev/sdd2
brw-rw---- 1 root root 8, 64 Jun 1 18:17 /dev/sde
brw-rw---- 1 root root 8, 65 Jun 1 18:17 /dev/sde1
brw-rw---- 1 root root 8, 66 Jun 1 18:17 /dev/sde2

[fvdw]

:thumbup ok that looks good.
seems partition 2 onsda2 is still there and the raid is intact looking to you output in few post earlier
I think Mijzelf will now advise to do the the same for sdb,c,d and e but wait until he confirms this

[Mijzelf]

root@(none):/ # mdadm --examine /dev/sda2
/dev/sda2:
Magic : a92b4efc
Version : 1.0
Feature Map : 0x0
Array UID : 4f4a8ea3:4c99b769:e18e6826:872bc27f
Name : (none):4 (local to host (none))
Creation Time : Thu Jan 1 00:00:39 1970
Raid Level : raid5
Raid Devices : 5

OK, that's good! (If you didn't conclude that yet.)

Now you can create the partitions on the other 4 disks:
gdisk /dev/sdb
...
gdisk /dev/sdc
...

mdadm should be able to recognize all created partitions as raid members. If you've got 5 raid members, you can assemble the array:

Code: Select all

mdadm --assemble /dev/md0 /dev/sda2 /dev/sdb2 /dev/sdc2 /dev/sdd2 /dev/sde2

[unlucky1]

Uh oh, moment of truth! Okay I'll create the others as I did the last one. What about start and end? Like the others?

[unlucky1]

And partition number is the same too?