[CentOS] how do determine last file system on disk?

Lamar Owen lowen at pari.edu
Sat Jun 25 17:14:53 UTC 2011


On Saturday, June 25, 2011 07:46:01 AM Rudi Ahlers wrote:
> Does anyone know how to determine which file system a disk was formatted
> with, if fdisk -l doesn't show it?

blkid -s TYPE

On a C5 box here:
[root at backup670 ~]# blkid -s TYPE
/dev/mapper/vg_backup670-lv_root: TYPE="ext3" 
/dev/md1: TYPE="swap" 
/dev/md0: TYPE="ext3" 
/dev/sdb2: TYPE="swap" 
/dev/sdb1: TYPE="ext3" 
/dev/sda2: TYPE="swap" 
/dev/sda1: TYPE="ext3" 
/dev/hda: TYPE="iso9660" 
/dev/vg_backup670/lv_root: TYPE="ext3" 
/dev/mapper/pachy--mirror-home: TYPE="xfs" 
/dev/vg_opt/lv_pachy: TYPE="ext4" 
/dev/pachy-mirror/home: TYPE="xfs" 
/dev/mapper/vg_opt-lv_pachy: TYPE="ext4" 
[root at backup670 ~]#

On a RHEL 6.1 box here:
[root at www ~]# blkid -s TYPE
/dev/sdd1: TYPE="LVM2_member" 
/dev/sde1: TYPE="LVM2_member" 
/dev/sdk1: TYPE="LVM2_member" 
/dev/sdn1: TYPE="xfs" 
/dev/sdg1: TYPE="ext4" 
/dev/sds1: TYPE="LVM2_member" 
/dev/sdy1: TYPE="LVM2_member" 
/dev/sdaa1: TYPE="ext4" 
/dev/sdag1: TYPE="linux_raid_member" 
/dev/sdx1: TYPE="LVM2_member" 
/dev/sdaf1: TYPE="linux_raid_member" 
/dev/sdad1: TYPE="ext3" 
/dev/sdah1: TYPE="ext4" 
/dev/sdah2: TYPE="LVM2_member" 
/dev/mapper/vg_www-lv_root: TYPE="ext4" 
/dev/mapper/vg_www-lv_swap: TYPE="swap" 
/dev/md127: TYPE="ext3" 
/dev/mapper/vg_bak2-lv_lobak: TYPE="ext4" 
[root at www ~]#

Useful stuff.



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