oh. sorry. it was mistyping. i have done so. mkfs.ext3 -j /dev/sda1 mkfs.ext3 -j /dev/sdb1 mdadm -Cv /dev/md0 --level=1 --raid-devices=2 /dev/sda1 /dev/sdb1 mount /dev/md0 /data/disk1 scp ... [snip] Should I do format after make RAID-1(/dev/md0) device? After I format disks(/dev/sda1, /dev/sdb1), do not you compose to RAID-1? Can it make a problem? > You should: > mdadm -Cv /dev/md0 --level=1 --raid-devices=2 /dev/sda1 /dev/sdb1 > mkfs.ext3 -j /dev/md0 > mount /dev/md0 /data/disk1 mkfs.ext3 -j /dev/md0 mount /dev/md0 /data/disk1 2005/12/10, Neil Brown <neilb@xxxxxxx>: > On Saturday December 10, yang.geum.seok@xxxxxxxxx wrote: > > I am sorry because there is no information very. > > > > I currently ext3 file system. > > > > I composed RAID-1(/dev/md0) disk array by order such as lower part. > > > > mkfs.ext3 -j /dev/sda1 > > mkfs.ext3 -j /dev/sda1 > > mdadm -Cv /dev/md0 --level=1 --raid-devices=2 /dev/sda1 /dev/sdb1 > > This is not the way raid1 works. > The raid1 array /dev/md0 will be slightly smaller than either sda1 or > sdb1. So the filesystem will 'think' it is the size of sda1, will > eventually discover it is smaller, and will fail. > You should: > mdadm -Cv /dev/md0 --level=1 --raid-devices=2 /dev/sda1 /dev/sdb1 > mkfs.ext3 -j /dev/md0 > mount /dev/md0 /data/disk1 > > and THEN use the filesystem. > NeilBrown > - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
