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Re: can't mount raid 5 after installation



On Mon, Oct 17, 2005 at 10:54:23AM +0200, kohzak wrote:
> I'm installing a debian server with 4 sata drive on A8V motherboard.
> 
> My system is on a 40 go ide hard disk and i've created a raid 5 during
> installation for my /home with the 4 sata drive.
> 
> # dmesg
> 
> md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
> md: md0 stopped.

That's a problem, isn't it?

> # mount /dev/md0
> mount: /dev/md0: can't read superblock

How about 'cat /proc/mdstat'?

> Ps : i have installed raidtools2 and raidutils

raidtools2 as well as mdadm? Probably bad to mix them.

raidtools2 is gone in unstable. Use mdadm.

So it looks like your RAID group is not active. Did you tell mdadm to
activate it on startup? (It asks you the question when you install the
package). You can reconfigure it with 'dpkg-reconfigure mdadm'.

You should be able to activate it manually with some combination of
mdadm --assemble --scan; I can never remember the parameters for that
tool though.


Hamish
-- 
Hamish Moffatt VK3SB <hamish@debian.org> <hamish@cloud.net.au>



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