On 08/09/2010 05:42 PM, Dave Smith wrote: > > ls -l /dev/mapper > total 0 > crw-rw---- 1 root root 10, 59 2010-08-07 11:39 control > brw-rw---- 1 root disk 252, 0 2010-08-09 17:11 > udisks-luks-uuid-6497d53d-5413-4368-80eb-bef311497fb6-uid2343 > brw-rw---- 1 root disk 252, 0 2010-08-09 17:15 > udisks-luks-uuid-54779533-1245-1234-5efb-1dcb3ac3def-uid1371 > > How can I tell which of the two /dev/mapper devices corresponds to > /dev/sda3?
It looks like the mapper device filename is based on the filesystem's uuid. You can take a look in /dev/disk/by-uuid and see what the respective uuid strings symlink to. > > Puzzle 2: The Reverse > > I have a mountpoint, /mnt/foo, that I think might be mounted to a LUKS > device. I use 'df' to find where it's mounted, as follows: > > > df -h /mnt/foo > Filesystem Size Used Avail Use% Mounted on > /dev/mapper/udisks-luks-uuid-6497d53d-5413-4368-80eb-bef311497fb6-uid2343 > 236M 2.1M 222M 1% /mnt/foo > > That looks like a candidate to me. How do I find out which physical > device that comes from? Probably the same way. /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
