[CentOS] Raid 1 newbie question

Akemi Yagi amyagi at gmail.com
Thu Apr 26 11:45:00 UTC 2007


On 4/25/07, alex at avantel.ca <alex at avantel.ca> wrote:
> On Wed, April 25, 2007 11:54 am, Roberto Pereyra wrote:

> hdc3 appears to be the problem.  Try using mdadm (man mdadm) query mode to
> find out more info about md1 and /dev/hdc3.  Are you sure /dev/hdc3 is set
> to be linux raid autodetect (use fdisk to find out).  You can also try
> adding hdc3 to the array with mdadm - see the man page for details.

I recently had a similar problem.  One disk was reported to have
failed.  I ran mdadm to add it back.  The reconstruction took a couple
of hours (500GB) but it seems to be working now.  So, as the above
advice suggests, read man page for mdadm and try to recover the lost
partition.

Akemi



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