Re: Replacing MOBO seems to have disappeared my software RAID1...?

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Thanks for the sympathy :) I definitely did not use any hardware RAID controllers on the original MOBO - I knew it would be replaced sooner or later, so I was sure to use software RAID. I used mdadm to create the RAID, like so: "mdadm --create --verbose /dev/md0 --level=1 --raid-devices=2 /dev/sdc1 /dev/sdd1".

Sadly I don't have any info such as lsdev from the previous set up :(

I know that files are still intact on the drive showing a partition still extant, as I ran foremost on it to see if there was indeed anything still on it.



$ cat /proc/partitions
major minor  #blocks  name

   8        0  976762584 sda
   8        4          1 sda4
   8        5  922029056 sda5
   8        6    2097152 sda6
   8        7   52630528 sda7
   8       16  234431064 sdb
   8       17  232428544 sdb1
   8       18    2000896 sdb2
   8       32 3907018584 sdc
   8       33 3907016704 sdc1
  11        0    1048575 sr0
   8       48 3907018584 sdd



$ sudo mdadm --examine /dev/sda4; sudo mdadm --examine /dev/sda5; sudo mdadm --examine /dev/sda6; sudo mdadm --examine /dev/sda7; sudo mdadm --examine /dev/sdb1; sudo mdadm --examine /dev/sdb2
/dev/sda4:
   MBR Magic : aa55
Partition[0] :   1844058112 sectors at         2048 (type 07)
Partition[1] :      4194564 sectors at   1949325052 (type 05)
/dev/sda5:
   MBR Magic : aa55
Partition[0] :   1701990410 sectors at    218129509 (type 72)
Partition[1] :    543974724 sectors at    729050177 (type 74)
Partition[3] :        51635 sectors at   2692939776 (type 00)
mdadm: No md superblock detected on /dev/sda6.
mdadm: No md superblock detected on /dev/sda7.
mdadm: No md superblock detected on /dev/sdb1.
mdadm: No md superblock detected on /dev/sdb2.



On 12/11/2018 12:34 PM, John Stoffel wrote:
> Ouch!  This isn't a great time.  Can you do:
>
>    mdadm --examine /dev/sda1
>    mdadm --examine /dev/sdb1
>
>
> You should do this for all four disks, and all partitions on each of
> the disks.  Also, can you show:
>
>    cat /proc/partitions
>
> as well.  But maybe you setup hardware RAID on your old motherboard?
> Can you provide more details on how you have the old one setup and
> what model it was?   Did you use the Intel software by any chance?
>
> Do you have an 'lsdev' output from before the motherboard swap?
>
> Good luck!
> John
>
>

--

Tyler Style




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