On Wed, Feb 08, 2012 at 11:12:11PM -0600, Bruce Dubbs wrote: > Ken Moffat wrote: > > > What surprised me is that /etc/mdadm.conf isn't mentioned. I > > thought I had to create this (either manually, or by running some > > command - I forget which), and without it the kernel cannot assemble > > the array(s) ? > > It's optional. There are ways to monitor an array using mdmon, but I > haven't used it. If the partition types are RAID Auto (fd), then the > kernel will read the metadata from partitions without the .conf file > (format 0.9 only). I think the .conf file is only needed if the > partition is not marked or advanced features are desired. > Yes, I went for a newer format. I assumed that anyone else creating a new array would also use the current format.
> When I look at the mdadm man page, it is 1766 lines long. One thing I > see there is: > > echo 'DEVICE /dev/hd*[0-9] /dev/sd*[0-9]' > mdadm.conf > mdadm --detail --scan >> mdadm.conf > > This will create a prototype config file that describes currently > active arrays that are known to be made from partitions of IDE or SCSI > drives. This file should be reviewed before being used as it may > contain unwanted detail. > > -- Bruce Those were the commands I used. The 'scan' rang a bell. ĸen -- das eine Mal als Tragödie, das andere Mal als Farce -- http://linuxfromscratch.org/mailman/listinfo/blfs-dev FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page
