On Thu, 09 Dec 2010 15:53:24 +0100, Stefan G. Weichinger wrote: > I never did RAID1 with more than 2 disks, you suggest something like: > > mdadm --create /dev/md0 --level=1 --raid-disks=6 /dev/sd[abcdef]1 >
Yes > > This would result in /dev/md0 having a usable size of 3 disks? No, the size is that of one disk. The reason for using all disks is that otherwise the space would go unused and this way you can boot from any of the disks in the event of failures. I've never tried it with 6, but my desktop is set up like this with a three disk RAID1 for / and LVM on RAID5 for everything else. -- Neil Bothwick Beware of cover disks bearing upgrades.
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