On 4/26/07, Roberto Pereyra <pereyra.roberto at gmail.com> wrote: > 2007/4/26, Akemi Yagi <amyagi at gmail.com>: > > On 4/25/07, alex at avantel.ca <alex at avantel.ca> wrote: > > > On Wed, April 25, 2007 11:54 am, Roberto Pereyra wrote: > > 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. > Hi ! > > Can I force the reconstruction without risk with this command ? > > mdadm --assemble --force > > roberto There is no such thing like "without risk" :) In my particular case, after having made a full backup copy, I simply added the failed drive by: mdadm /dev/md0 --add /dev/sdb1 (note that /dev/sdb1 was the one failing) Akemi