On 04/27/2012 04:04 PM, likewhoa wrote:

I have a strange issue on my raid10 8x400GB array. I cannot assemble my
array anymore and it's gotten to a point that I don't know what to do to
recover my data. I was hoping I could get some advice on it. Below is
some info which I hope will help troubleshoot this issue.

quoted

mdadm -Esv

ARRAY /dev/md/1 metadata=1.0 num-devices=0
UUID=828ed03d:0c28afda:4a636e88:7b29ec9f name=Darkside:1
   spares=7  
devices=/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdc3,/dev/sda3,/dev/sdb3
ARRAY /dev/md/1 level=raid10 metadata=1.0 num-devices=8
UUID=828ed03d:0c28afda:4a636e88:7b29ec9f name=Darkside:1
   devices=8:131

quoted

mdadm --version

mdadm - v3.2.3 - 23rd December 2011

quoted

for i in /dev/sd{a,b,c,d,e,f,g,i}; do fdisk -l

${i};done                                                                                      


Disk /dev/sda: 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: 0x4644f013

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1            2048     2099199     1048576   82  Linux swap / Solaris
/dev/sda2         2099200    73779199    35840000   fd  Linux raid
autodetect
/dev/sda3        73779200   976773119   451496960   fd  Linux raid
autodetect

Disk /dev/sdb: 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: 0x000e460f

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1            2048     2099199     1048576   82  Linux swap / Solaris
/dev/sdb2         2099200    73779199    35840000   fd  Linux raid
autodetect
/dev/sdb3        73779200   976773119   451496960   fd  Linux raid
autodetect

Disk /dev/sdc: 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: 0x7d10530f

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1            2048     2099199     1048576   82  Linux swap / Solaris
/dev/sdc2         2099200    73779199    35840000   fd  Linux raid
autodetect
/dev/sdc3        73779200   976773119   451496960   fd  Linux raid
autodetect

Disk /dev/sdd: 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: 0x81a213ab

   Device Boot      Start         End      Blocks   Id  System
/dev/sdd1            2048     2099199     1048576   82  Linux swap / Solaris
/dev/sdd2         2099200    73779199    35840000   fd  Linux raid
autodetect
/dev/sdd3        73779200   976773119   451496960   fd  Linux raid
autodetect

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: 0x4644f00e

   Device Boot      Start         End      Blocks   Id  System
/dev/sde1            2048     2099199     1048576   82  Linux swap / Solaris
/dev/sde2         2099200    73779199    35840000   fd  Linux raid
autodetect
/dev/sde3        73779200   976773119   451496960   fd  Linux raid
autodetect

Disk /dev/sdf: 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: 0x4644f00c

   Device Boot      Start         End      Blocks   Id  System
/dev/sdf1            2048     2099199     1048576   82  Linux swap / Solaris
/dev/sdf2         2099200    73779199    35840000   fd  Linux raid
autodetect
/dev/sdf3        73779200   976773119   451496960   fd  Linux raid
autodetect

Disk /dev/sdg: 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: 0x327d8d82

   Device Boot      Start         End      Blocks   Id  System
/dev/sdg1            2048     2099199     1048576   82  Linux swap / Solaris
/dev/sdg2         2099200    73779199    35840000   fd  Linux raid
autodetect
/dev/sdg3        73779200   976773119   451496960   fd  Linux raid
autodetect

Disk /dev/sdi: 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: 0x000e460f

   Device Boot      Start         End      Blocks   Id  System
/dev/sdi1            2048     2099199     1048576   82  Linux swap / Solaris
/dev/sdi2         2099200    73779199    35840000   fd  Linux raid
autodetect
/dev/sdi3        73779200   976773119   451496960   fd  Linux raid
autodetect

quoted

uname -r

3.3.3-gentoo

Thanks in advanced.

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adding more verbose info gives me:

-> mdadm -A --verbose /dev/md1

mdadm: looking for devices for /dev/md1
mdadm: /dev/dm-8 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdi1 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdi is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sr0 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/dm-7 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/dm-6 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/dm-5 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/dm-4 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/dm-3 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/dm-2 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/dm-1 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/dm-0 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/md/0 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdh3 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdh2 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdh1 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdh is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: cannot open device /dev/sdg3: Device or resource busy
mdadm: /dev/sdg2 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdg1 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdg is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: cannot open device /dev/sdf3: Device or resource busy
mdadm: /dev/sdf2 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdf1 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdf is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: cannot open device /dev/sde3: Device or resource busy
mdadm: /dev/sde2 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sde1 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sde is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: cannot open device /dev/sdd3: Device or resource busy
mdadm: /dev/sdd2 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdd1 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdd is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: cannot open device /dev/sdb3: Device or resource busy
mdadm: /dev/sdb2 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdb1 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdb is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: cannot open device /dev/sda3: Device or resource busy
mdadm: /dev/sda2 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sda1 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sda is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: cannot open device /dev/sdc3: Device or resource busy
mdadm: /dev/sdc2 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdc1 is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3
mdadm: /dev/sdc is not one of
/dev/sdg3,/dev/sdf3,/dev/sde3,/dev/sdd3,/dev/sdb3,/dev/sda3,/dev/sdc3