Eben King <e...@gmx.us> writes: > I have a 2x1TB RAID-1 array on one of my computers. It holds a backup. > It's starting to become too small, not because it's shrinking, but > because I'm getting more stuff. So, I need to do something that ends up > with a larger array using 3, maybe 4 disks. It'd be nice if it supports > disks of disparate sizes (and actually uses the extra space), so I can > upgrade by attrition.
If you want to keep it simple, maybe stick with RAID-1 with just bigger disks. As I recall, mdadm can help the migration along since it lets you increase the individual drive size in the array. Don't need to bring LVM or btrfs or other administrivia time sinks into it.
