2018-03-27 16:10 GMT+02:00 John Stoffel <john@xxxxxxxxxxx>: > If you're running LVM on top of this array, then I would simply: > > 1. add three new disks into a new RAID1 array spanning the entire > disk as /dev/md1 > 2. pvcreate /dev/md1 > 3. vgextend <vg> /dev/md1 > 4. pvmove -b /dev/md0 > 5. wait for the move to complete > 6. vgreduce <vg> /dev/md0 I did this (pvmove) many times before, but only on small volumes, never on 500GB. I'm not really sure about data consistency during the move. What in case of suddely poweroff or similiar? -- 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
