It’s actually more difficult than you might think. From the bit of googling that I did, it seems that you can’t just ‘clone’ and LVM logical volume, while it’s running.
One method I found was to use the ’snapshot’ feature of LVM to create a ‘frozen image’ copy of the logical volume, which is then suitable [...]
NOTE: Much of this isn’t necessary now, because OpenWRT 8.09 now supports AR7. You can just grab the openwrt-ar7-squashfs.bin image to use from http://downloads.openwrt.org/kamikaze/8.09.1/ar7/
I’ve had this old D-Link DSL-502T sitting around, basically working. When I moved place just recently, I took the opportunity to look into getting OpenWRT installed on this thing, basically because I [...]