2Big Network 2, Hard disk 2 failed

[Jocko]

No need to rebuild the partition table.

We go first restore the raid on partition 8 and 9

So do

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mdadm --zero-superblock /dev/sdb8
mdadm --zero-superblock /dev/sdb9

mdadm --assemble /dev/md1 /dev/sda8 --run
mdadm --assemble /dev/md2 /dev/sda9 --run

post

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cat /proc/mdstat

You should see now 2 active raid1

In this case do

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mdadm --manage /dev/md1 --add /dev/sdb8
mdadm --manage /dev/md2--add /dev/sdb9

post again

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cat /proc/mdstat

[manelppa]

Hi Jocko,
Here is below the data result after the command cat /proc/mdstat

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root@fvdw-sta-kirkwood:/ # cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
md2 : active raid1 sda9[0]
      874432 blocks [2/1] [U_]
     
md1 : active raid1 sda8[0]
      850304 blocks [2/1] [U_]


[Jocko]

:thumbup
So you can now add sdb8 and sdb9 in their related raid

[manelppa]

Thanks for the compliment :-)

Ok, but how I do this "add sdb8 and sdb9 in their related raid" ???

[Jocko]

:shocked
Already posted...

You should see now 2 active raid1

In this case do
Code:
mdadm --manage /dev/md1 --add /dev/sdb8
mdadm --manage /dev/md2--add /dev/sdb9

post again
Code:
cat /proc/mdstat

[manelppa]

is it something like :

mdadm --add /dev/md1 /dev/sda8
mdadm --add /dev/md2 /dev/sda9

Correct ?

[Jocko]

This synthax is also correct but lazzy...

[manelppa]

Ok, I did your last post (mdadm --manage /dev/md1 --add /dev/sdb8 etc.
It seems the last mdadm md2 with sdb9 is long before the prompt come back ?

[Jocko]

Did you do by pasting the 2 lines at the same time . In this case you need to type "enter"

[manelppa]

No, I typed the first cmd then ENTER (I got the prompt back quickly after the 1st entry)
and after I typed the 2nd one (md2 > sdb9) and typed ENTER key. The prompt is not back and I can see the rear BLue led of disk 1 flashing a bit, then no flashing, etc. It seems the data are written from disk1. Is this correct ?