On 8/10/06, "Petr \"Qaxi\" Klíma" <qaxi at seznam.cz> wrote: > Hi > > I have a degraded array /dev/md2 > > $ mdadm -D /dev/md2 [...] > I need to add the 3rd partition, so I open documentation > http://www.centos.org/docs/4/html/rhel-isa-en-4/s1-storage-rhlspec.html#S2-STORAGE-RAID-DAY2DAY > (I know the RTFM ;-) [...] > How can I repair the MD device? Hi Petr, use mdadm to rebuild the device. raidtools isn't included in CentOS 4.x anymore. raidhotadd /dev/mdX /dev/${partition} should be equivalent to mdadm -A /dev/mdX /dev/${partition} http://www.devil-linux.org/documentation/1.0.x/ch01s05.html Regards, Phil.