tor, 2002-04-11 kl. 02:56 skrev Neil Brown: > On April 10, anielsen@diku.dk wrote: > > When I try to boot my box with disks which previously was configured in > > other machines md tries to autodetect which array should have a given > > minor number. > > > > I use the wonderful :-) mdadm -E and I can see a preferred minor value > > which is very nice, but since more than one array is competing for the > > same minor number it is kind of difficult for me to figure out what to > > put in my /etc/fstab. > > > > Therefore my question is: how do I change the preferred minor value on a > > array so I can prevent conflicts? I would of course like to be able to > > use mdadm for this job :-) > > This would be one of the reasons that I neither use nor recommend RAID > autostart. It is too dependant on the preferred-minor which is hard > to change. > I guess I could add an option to mdadm to change the preferred-minor > as it could be useful, but I'm not highly motivated. Maybe a > --rewrite-superblock option to --assemble... > > I recommend that you enumerate the uuids of your arrays, create > /etc/mdadm.conf to say which uuid matches which /dev/md? and use > mdadm --assemble --scan > to assemble your arrays. > > NeilBrown I see that the method you recommend is more flexible since there are more uuids than minor numbers :-) But I am not sure how I disable autostart and replace it with mdadm -A --scan so I could use some help. I am using Redhat 7.2. I guess I have to change an initscript or something. Thanks, Anders - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
