on 6/20/2012 11:34 PM Arun Khan spake the following: > On Thu, Jun 21, 2012 at 10:09 AM, Rob Kampen > <rkampen at reaching-clients.com> wrote: > .... snip .... > >> sounds like the mirror is not in synch - when it is running with both >> drives, what does >>> cat /proc/mdstat > > System boots up fully functional with both disks > <copy-paste> > > root at centos62-raid1 ~ > > # cat /proc/mdstat > Personalities : [raid1] > md_d0 : active raid1 sda sdb > 10485696 blocks [2/2] [UU] > > unused devices: <none> > > </copy-paste> > > Both disks are in sync. > > Anyways, even if they were out of sync the system should boot with the > "disk" that is in "U" state but it does not. > > System boots up in rdshell (failed mode) with one of the disks disconnected. > > <cat /proc/mdstat> > > # cat /proc/mdstat > > Personalities: > md_d0: inactive sda (S) > 10485696 blocks > > </cat /proc/mdstat> > > I do not know the internal workings of "dracut" but the problem seems > to be within it (gut feeling). > > -- Arun Khan > Just a shot in the dark... DO all the fstab entries call out md devices?