/dev/mapper

[ddrillich]

Good Day,

I see the following -

! % ==> df -kh
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/rootvg-rootvol
46G 20G 24G 46% /
/dev/sda1 99M 15M 80M 16% /boot
none 2.0G 0 2.0G 0% /dev/shm
/dev/mapper/rootvg-search--lv
222G 182G 29G 87% /opt/autonomy
172.26.73.117:/export/pmclient
237G 133G 92G 60% /export/pmclient

autonomy @ sbkj2ksrchtxtf03 :: /dev/mapper
! % ==> cd /dev/mapper

autonomy @ sbkj2ksrchtxtf03 :: /dev/mapper
! % ==> \ls -ltr
total 0
crw------- 1 root root 10, 63 Jan 22 2011 control
brw-rw---- 1 root disk 253, 0 Jan 22 2011 rootvg-rootvol
brw-rw---- 1 root disk 253, 1 Jan 22 2011 rootvg-swapvol
brw-rw---- 1 root disk 253, 2 Jan 22 2011 rootvg-search--lv

What is this /dev/mapper?

Regards,
Dan

 

[SamBones]

http://en.wikipedia.org/wiki/Device_mapper

 

[ddrillich]

Thank you Sam.