Difference between revisions of "Redhat:Filesystems current"

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(Created page with "== Check the Current File Systems == An administrator must start file system management by knowing what the current state is. There are commands available to check this: ls...")
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Revision as of 14:06, 6 September 2013

Check the Current File Systems

An administrator must start file system management by knowing what the current state is. There are commands available to check this: lsblk, mount and df.

df

The df command lists the total space, free space and used space on the currently mounted file systems.

Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/md0              10320116   7218856   2577028  74% /
tmpfs                 18503536         0  18503536   0% /dev/shm
/dev/sdb1               495844     36701    433543   8% /boot
/dev/md1              32250784  18925352  11687188  62% /depot
/dev/md4             3660773536 2845391048 629425880  82% /home
/dev/md2             100788656  70242472  25426340  74% /var
10.0.0.220:/Software 786300928 780402224   5898704 100% /mnt/storage1
10.0.0.220:/jph      786300928 780402176   5898752 100% /mnt/jph

mount

The mount command lists all of the mounted file systems, the format type and their mount points.

/dev/md0 on / type ext4 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw)
/dev/sdb1 on /boot type ext4 (rw)
/dev/md1 on /depot type ext4 (rw)
/dev/md4 on /home type ext4 (rw)
/dev/md2 on /var type ext4 (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
nfsd on /proc/fs/nfsd type nfsd (rw)
10.0.0.220:/Software on /mnt/storage1 type cifs (rw)
10.0.0.220:/jph on /mnt/jph type nfs (rw,addr=10.0.0.220)

lsblk

List the block devices on the system

NAME    MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINT
sr0      11:0    1   2.5G  0 rom
sdb       8:16   0   1.8T  0 disk
ââsdb1    8:17   0   500M  0 part  /boot
ââsdb2    8:18   0    10G  0 part
â ââmd0   9:0    0    10G  0 raid1 /
ââsdb3    8:19   0  15.6G  0 part
â ââmd1   9:1    0  31.3G  0 raid5 /depot
ââsdb4    8:20   0     1K  0 part
ââsdb5    8:21   0  48.8G  0 part
â ââmd2   9:2    0  97.7G  0 raid5 /var
ââsdb6    8:22   0  14.7G  0 part
â ââmd3   9:3    0  29.3G  0 raid5 [SWAP]
ââsdb7    8:23   0   1.7T  0 part
  ââmd4   9:4    0   3.5T  0 raid5 /home