Mailinglist Archive: opensuse (878 mails)

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Re: [opensuse] Strangeness with OpenSuse RAID 1 Grub system
Il 06/09/2013 10:00, Andrey Borzenkov ha scritto:
В Fri, 06 Sep 2013 09:32:07 +0200
Claudio ML <claudioml@xxxxxxxxxxxxxxxx> пишет:

Il 05/09/2013 18:42, Andrey Borzenkov ha scritto:
В Thu, 05 Sep 2013 18:19:10 +0200
Claudio ML <claudioml@xxxxxxxxxxxxxxxx> пишет:

Hello all,

After changing a failed disk, i am trying to verify is all ok, and i
have noticed a strange thing:

cat /proc/mdstat
Personalities : [raid1] [raid0] [raid10] [raid6] [raid5] [raid4]
md1 : active raid1 sdb2[2] sda2[0]
31455160 blocks super 1.0 [2/2] [UU]
bitmap: 0/1 pages [0KB], 65536KB chunk

md3 : active raid1 sdb4[2] sda4[0]
200164280 blocks super 1.0 [2/2] [UU]
bitmap: 2/2 pages [8KB], 65536KB chunk

md2 : active raid1 sdb3[2] sda3[0]
2096116 blocks super 1.0 [2/2] [UU]
bitmap: 0/1 pages [0KB], 65536KB chunk

md0 : active raid1 sda1[0] sdb1[2]
10481592 blocks super 1.0 [2/2] [UU]
bitmap: 1/1 pages [4KB], 65536KB chunk

unused devices: <none>

grub> find /boot/grub/stage1
(hd0,0)

Are you calling it during boot in grub legacy command line or on booted
system in grub legacy shell?
I am calling it on the booted system in a grub legacy shell.
Ok, and what is in /boot/grub/device.map?
cat /boot/grub/device.map
(hd0) /dev/disk/by-id/ata-GB0250EAFYK_WCAT1J075574
(hd1) /dev/disk/by-id/ata-GB0250EAFYK_WCAT1H882820

Notice the grub find only seen a drive?

Grub legacy does not normally search anything - it takes whatever is in
device.map.

My question is...why? Ever seen all the two drives with Raid 1
systems... Now i have a paranoia...if the first drive fails, the second
can boot?
I cant test this, because that system is in production.... The system is
an OpenSuSE 12.2 (x86_64). I am doing something wrong?

Thanks,

Claudio.



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