removing piece of linux raid1 to use as as a backup (linux raid pt. 3)

24 Jun 2012

so, this was the final and ultimate step of what i’m proud to have accomplished by tinkering around with this. with almost minimal effort and heartbreak, i am able to pop in a hard disk, let it sync up to a raid1 pool, and i can remove it and mount it and use it as a backup source.

sudo mdadm /dev/md0 -f /dev/sdc1
sudo mdadm /dev/md0 -r /dev/sdc1
sudo cryptsetup luksOpen /dev/sdc1 homebackup
sudo mkdir /homebackup
sudo mount -o ro /dev/mapper/homebackup /homebackup/
ls /homebackup/
ls /homebackup/ren/
sudo umount /homebackup
sudo cryptsetup luksClose homebackup

i will have to get into the habit of regularly syncing up a backup or maybe i can start collecting harddisks. either way, this makes me feel much more at ease with my desktop.