On Tuesday 10 January 2006 04:11, David wrote: > James C. Dastrup wrote: > >>>mdadm RAID 0 with 3 drives, JFS (my favorite) or XFS file system. > >>> > >>>Some may disagree, but in such a simple setup, I don't see any reason to > >>>add lvm on top of this RAID array, but others may prefer it. > >>> > >>>Also note, I don't believe you can boot off of a md RAID 0 drive, so > >>> you'll need another driver (or network boot) for your boot partition. > >> > >>Ok, thats what I thought. do I have to use any special mdadm settings in > >> order to do RAID0 and have it stripe across the drives? > > > >Nothing special. Just a /etc/raidtab like so: > > > ># /var/video (RAID 0) > >raiddev /dev/md0 > >raid-level 0 > >nr-raid-disks 2 > >chunk-size 32 > >persistent-superblock 1 > >device /dev/hda1 > >raid-disk 0 > >device /dev/hdc1 > >raid-disk 1 > > Don't do this. > > You shouldn't mix raidtab and mdadm > raidtab is obsolete with newer md. Uninstall it. > > using mdadm the above would be: > mdadm --create /dev/md0 --chunk=32 --level=raid0 --raid-devices=2 > /dev/hda1 /dev/hdc1 > > I suggest reading man mdadm (and why are you setting chunk to 32?) > > If you decide to go raid5 then you *must* use mdadm -F (otherwise you > may well miss a disk failure - it's easy to do). Of course if you use > raid0 this isn't important since you'll spot a drive failure as soon as > the system crashes ;) > > > David
David, does add -F after an array is created? -- Steve _______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
