On Wed, Sep 19, 2007 at 12:46:31PM +1000, Alex Samad wrote: > On Wed, Sep 19, 2007 at 09:16:14AM +1000, Peter Chubb wrote: > > >>>>> "Dave" == Dave Kempe <[EMAIL PROTECTED]> writes: > > > > Dave> Hi, the proper way to do it is to generate an > > Dave> /etc/mdadm/mdadm.conf config file and have udadm/udev do the > > Dave> right thing on boot. I have simply create the config file as > > Dave> per a number of howtos and from the manpage: > > > > > > You probably need to do something to get consistent device naming too > > ... otherwise the drive that was /dev/sdc this time may end up as > > /dev/sdg next time, and things may not work. > > should not matter just use some thing like this > > # by default, scan all partitions (/proc/partitions) for MD superblocks. > # alternatively, specify devices to scan, using wildcards if desired. > DEVICE partitions
there is more (my complete mdadm.conf # mdadm.conf # # Please refer to mdadm.conf(5) for information about this file. # # by default, scan all partitions (/proc/partitions) for MD superblocks. # alternatively, specify devices to scan, using wildcards if desired. DEVICE partitions # auto-create devices with Debian standard permissions CREATE owner=root group=disk mode=0660 auto=yes # automatically tag new arrays as belonging to the local system HOMEHOST <system> # instruct the monitoring daemon where to send mail alerts MAILADDR root ARRAY /dev/md0 level=raid1 num-devices=2 UUID=f719d644:a5e71a55:c0def50d:f7755beb ARRAY /dev/md1 level=raid1 num-devices=2 UUID=a7c9742e:25b76b3e:4c32b09d:a890b140 ARRAY /dev/md2 level=raid1 num-devices=2 UUID=84d040c2:ca5f2a29:1c5fe114:e04e8950 The uuid are assign when you create the array. On boot up, mdadm checks each of the partitions to see if its part of an array. > > > use ext2/3 labels and remove just about all reliance upon consistent > labelling > > > > > > Peter C > > -- > > Dr Peter Chubb http://www.gelato.unsw.edu.au peterc AT gelato.unsw.edu.au > > http://www.ertos.nicta.com.au ERTOS within National ICT Australia > > -- > > SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ > > Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html > > > -- > SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ > Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html >
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