[CentOS] Recover RAID

Jeff Sadino jsadino.queens at gmail.com
Thu Mar 4 05:15:27 UTC 2010


Backups?  I wish :)  I will now.
But looking closer, that md1 is not my OS partition, just a data partition.
If I take that md1 entry out of the raidtab file and restart the computer, I
would think that it would start up just fine, minus the data partition (and
for the moment neglecting any vital programs that might be installed on that
partition).  My question is when I start the computer back up, in order to
start up without that partition there any more, will the OS write any new
files or anything that will not be reversible?

Thank you again,
Jeff

On Wed, Mar 3, 2010 at 6:40 PM, Ross Walker <rswwalker at gmail.com> wrote:

> On Mar 3, 2010, at 10:24 PM, Jeff Sadino <jsadino.queens at gmail.com>
> wrote:
>
> > 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?
>
> Don't you have backups of this data?
>
> You can just re-create the raid0 and restore the data.
>
> -Ross
>
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