Question of retrieving data from a mirrored drive.

Les Mikesell lesmikesell at gmail.com
Tue Dec 6 02:22:05 UTC 2005


On Mon, 2005-12-05 at 19:42, Michael Duffy wrote:

> > If it was really RAID1 you should be able to mount the hdcn partions
> > directly.  If the kernel detected the md devices at bootup you
> > may also be able to mount them as 'broken' mirrors which also work
> > fine.  A 'cat /proc/mdstat' should show the detected md devices.
> > What command are you using to mount and how does it fail?
> 
> I am not at the machine at the moment, but I will give it a whirl when I 
> get home.
> 
> The command that I used was: mount -t ext2 /dev/hdc# /mnt2
> 
> Where # = 1, 2, 3, or 4

You shouldn't have to specify the type, although it shouldn't
matter as long as you are right.

> I don't remember the *exact* error message.  I'd have to get back to you 
> on that one.  Sorry.  This is the problem with not having it at hand 
> when I ask the question.
> 
> How does one mount a 'broken' mirror?

'cat /proc/mdstat' should show the md# devices that have been
recognized and how many active members it has.  To use one,
just mount /dev/md#.

-- 
  Les Mikesell
   lesmikesell at gmail.com





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