Mailinglist Archive: opensuse (878 mails)

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Re: [opensuse] Problem with inactive RAID1 in Verify state
Am 19/09/13 12:05, schrieb Bob Williams:
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On 18/09/13 16:43, Markus Egg wrote:
Am 13/09/13 01:02, schrieb Markus Egg:
Hello,

my Windows 7 crashed and put the fake-RAID1 in Verify-state.

Previously the verification of the fakeRAID1 was possible with
SuSE 12.1 like this:

cat /proc/mdstat Personalities : [raid1] [raid0] [raid10] [raid6]
[raid5] [raid4] md126 : active raid1 sdc[1] sdd[0] 1953511424
blocks super external:/md127/0 [2/2] [UU] [==>..................]
resync = 10.5% (205884736/1953511556) finish=361.1min
speed=80657K/sec

md127 : inactive sdc[1](S) sdd[0](S) 6056 blocks super
external:imsm

unused devices: <none>

But now there is a different situation: the whole thing does not
boot to SUSE12.1, boot partiton is on some SSD and it says that
it does not find
/dev/disk/by-id/md-uuid-49818217:13c92065:79a2503c:31fc331d-part2


which is the boot partition according to /boot/grub/menu.lst .

But I guess the RAID1 is the problem to be solved first, since in
the Verify-state it does not come up: cat /proc/mdstat
Personalities : [raid1] [raid0] [raid10] [raid6] [raid5] [raid4]
md126 : inactive sdc[1] sdd[0] 3907023112 blocks super
external:-md127/0

md127 : inactive sdc[1](S) sdd[0](S) 6056 blocks super
external:imsm

unused devices: <none>

I am not that RAID expert so any help to activate this fakeRAID1
and start verifying would be appreciated.

Any ideas how to get this Intel fake-RAID1 active again? Did not
find any hint on Google that fits for this situation and shows how
to simply make

md126 : inactive sdc[1] sdd[0] 3907023112 blocks super
external:-md127/0
-> md126 : active raid1 sdc[1] sdd[0] 1953511424 blocks super
external:/md127/0 [2/2] [UU]

and start verifying this. :-/

Best regards and thanks in advance ME





Have you read the man pages?

Googling 'man mdadm' gives http://www.linuxmanpages.com/man8/mdadm.8.php

Yes but this does not help much.

cat /proc/mdstat says the above
md126 : inactive sdc[1] sdd[0]
even after doing
mdadm --assemble --scan
which says
mdadm: Container /dev/md/imsm0 has been assembled with 2 drives
mdadm: array /dev/md126 now has 2 devices

As I said: I am not an expert with mdadm.
The fake raid is a Intel Z68 chipset RAID1.

I also cannot mount a simple vfat usb stick to post the longer output things,
since the half started system does not know my vfat usb stick and does not know any vfat module or whatever. Typing the longer outputs on the screen is tedious.
:-(

Any other mdadm experts here that can point out, how to get
md126 : inactive sdc[1] sdd[0]
3907023112 blocks super external:-md127/0

md127 : inactive sdc[1](S) sdd[0](S)
6056 blocks super external:imsm
going?

Thanks in advance

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