[CentOS] Recover RAID

Jeff Sadino jsadino.queens at gmail.com
Thu Mar 4 03:24:57 UTC 2010


Ok, I'm learning a lot about raids and what to do, and what not to do.
Looking at some info I had before, md1 was 200GB in size, which makes sense,
but it was only 39GB full.  The way I repartitioned drive 1, I probably
overwrote only about 11GB.  Does that make it any easier to recover any
amount of the raid?  Is there some sort of "recover lost partitions" option
in Linux or gparted?

Thank you!
Jeff

On Wed, Mar 3, 2010 at 4:55 PM, Les Mikesell <lesmikesell at gmail.com> wrote:

> Jeff Sadino wrote:
> > Thanks for the insight.  Is there any way to bring it back to life not
> > necessarily as a raid, but just back up so I can get to the data and
> > have my license managers working?  What if I edit md1 out of the raidtab
> > file?
> >
>
> The data on a raid0 stripes across both drives as though it were one big
> cylinder.  You aren't going to make md1 work work with one missing.  You
> should
> be able to recover what was on md0 (a raid1) from either of its members.
>
> --
>   Les Mikesell
>    lesmikesell at gmail.com
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