Redhat:Filesystems current
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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/jphmount
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