Add logical partitions and mounts under Linux (Manual and Automatic)

First, view the new disk
[Email protected] desktop]# FDISK-CUL/DEV/SDC

disk/dev/sdc:21.5 GB, 21474836480 bytes
255 heads, Sectors/track, 2610 cylinders, total 41943040 sectors
Units = sectors of 1 * MB = bytes
Sector size (logical/physical): bytes/512 bytes
I/O size (minimum/optimal): bytes/512 bytes
Disk identifier:0x00000000
Two Add logical partitions
[Email protected] desktop]# FDISK-CU/DEV/SDC
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF Disklabel
Building a new DOS disklabel with disk identifier 0X740491C5.
Changes'll remain in memory only, until the decide to write them.
After that, of course, the previous content won ' t is recoverable.


Warning:invalid flag 0x0000 of partition Table 4 would be a corrected by W (rite)


Command (M for help): M
Command Action
A toggle a bootable flag
b Edit BSD Disklabel
C Toggle the DOS compatibility flag
D Delete a partition
L list known partition types
M Print this menu
n Add a new partition
o Create a new empty DOS partition table
P Print the partition table
Q Quit without saving changes
s create a new empty Sun Disklabel
t change a partition ' s system ID
U Change display/entry units
V Verify the partition table
W Write table to disk and exit
X Extra functionality (experts only)


Command (M for help): N
Command Action
E Extended
P primary partition (1-4)
E---------------) Select an extended partition
Partition number (1-4): 2
First sector (2048-41943039, default 2048):
Using Default Value 2048
Last sector, +sectors or +size{k,m,g} (2048-41943039, default 41943039): 10G
Value out of range.
Last sector, +sectors or +size{k,m,g} (2048-41943039, default 41943039): +10g


Command (M for help): N
Command Action
L logical (5 or over)
P primary partition (1-4)
L-----------------) Select logical Partition
First sector (4096-20973567, default 4096):
Using Default value 4096
Last sector, +sectors or +size{k,m,g} (4096-20973567, default 20973567): +5g


Command (M for help): N
Command Action
L logical (5 or over)
P primary partition (1-4)
L-------------------) Select logical Partition
First sector (10491904-20973567, default 10491904):
Using Default Value 10491904
Last sector, +sectors or +size{k,m,g} (10491904-20973567, default 20973567): +5g
Value out of range.
Last sector, +sectors or +size{k,m,g} (10491904-20973567, default 20973567):
Using Default Value 20973567


Command (M for help): P---------------> Print partition list


disk/dev/sdc:21.5 GB, 21474836480 bytes
255 heads, Sectors/track, 2610 cylinders, total 41943040 sectors
Units = sectors of 1 * MB = bytes
Sector size (logical/physical): bytes/512 bytes
I/O size (minimum/optimal): bytes/512 bytes
Disk identifier:0x740491c5


Device Boot Start End Blocks Id System
/DEV/SDC2 2048 20973567 10485760 5 Extended
/DEV/SDC5 4096 10489855 5242880-up Linux
/DEV/SDC6 10491904 20973566 5240831+-up Linux
The auto-named logical partition is: SDC5 sdc6
Command (M for help): W------------------> Save exit
The partition table has been altered!


Calling IOCTL () to re-read partition table.
Syncing disks.
[Email protected] desktop]# part
Parted Partprobe Partx
[Email protected] desktop]# partx-a/DEV/SDC
Blkpg:device or resource busy
Error adding partition 2
Blkpg:device or resource busy
Error adding partition 5
Blkpg:device or resource busy
Error adding partition 6
Third, view the new partition
[Email protected] desktop]# FDISK-CU/DEV/SDC


Command (M for help): P


disk/dev/sdc:21.5 GB, 21474836480 bytes
139 heads, Sectors/track, 6158 cylinders, total 41943040 sectors
Units = sectors of 1 * MB = bytes
Sector size (logical/physical): bytes/512 bytes
I/O size (minimum/optimal): bytes/512 bytes
Disk identifier:0x740491c5


Device Boot Start End Blocks Id System
/DEV/SDC2 2048 20973567 10485760 5 Extended
/DEV/SDC5 4096 10489855 5242880-up Linux
/DEV/SDC6 10491904 20973566 5240831+-up Linux


Command (M for help): Q
Iv. Formatting partitions
1sdc5
[Email protected] desktop]# MKFS.EXT4/DEV/SDC5
MKE2FS 1.41.12 (17-may-2010)
Filesystem label=
OS Type:linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
327680 inodes, 1310720 blocks
65536 blocks (5.00%) reserved for the Super user
First Data block=0
Maximum filesystem blocks=1342177280
Groups block
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736


Writing Inode Tables:done
Creating Journal (32768 blocks): Done
Writing superblocks and filesystem accounting Information:done


This filesystem would be automatically checked every mounts or
Whichever comes first. Use Tune2fs-c or-i to override.
2sdc6
[Email protected] desktop]# MKFS.EXT4/DEV/SDC6
MKE2FS 1.41.12 (17-may-2010)
Filesystem label=
OS Type:linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
327680 inodes, 1310207 blocks
65510 blocks (5.00%) reserved for the Super user
First Data block=0
Maximum filesystem blocks=1342177280
Groups block
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736


Writing Inode Tables:done
Creating Journal (32768 blocks): Done
Writing superblocks and filesystem accounting Information:done


This filesystem would be automatically checked every mounts or
Whichever comes first. Use Tune2fs-c or-i to override.
V. New MOUNT Directory
[Email protected] desktop]# cd/mnt/
[[email protected] mnt]# ls
Hgfs
[[email protected] mnt]# mkdir sdc{5,6}
[[email protected] mnt]# ls
Hgfs SDC5 SDC6
[Email protected] mnt]# pwd
/mnt
Six, automatically mount Sdc5, sdc6 to/MNT/SDC5,/MNT/SDC6
[Email protected] mnt]# MOUNT/DEV/SDC5/MNT/SDC5
[Email protected] mnt]# MOUNT/DEV/SDC6/MNT/SDC6
Vii. whether the check can be mounted successfully
[email protected] mnt]# mount
/dev/mapper/vol0-root 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,rootcontext= "System_u:object_r:tmpfs_t:s0")
/DEV/SDA1 on/boot type EXT4 (rw)
/dev/mapper/vol0-home on/home type EXT4 (rw)
/DEV/SDB5 ON/TMP/SDB5 type EXT4 (rw)
/DEV/SDB6 ON/TMP/SDB6 type EXT4 (rw)
None On/proc/sys/fs/binfmt_misc type Binfmt_misc (rw)
Vmware-vmblock on/var/run/vmblock-fuse type Fuse.vmware-vmblock (rw,nosuid,nodev,default_permissions,allow_other)
Sunrpc on/var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
Gvfs-fuse-daemon ON/ROOT/.GVFS type Fuse.gvfs-fuse-daemon (Rw,nosuid,nodev)
/DEV/SDC5 ON/MNT/SDC5 type EXT4 (rw)
/DEV/SDC6 on/mnt/sdc6 type EXT4 (rw)
Nine, unloading sdc5 sdc6
[Email protected] mnt]# UMOUNT/DEV/SDC5
[Email protected] mnt]# UMOUNT/DEV/SDC6
[email protected] mnt]# mount
/dev/mapper/vol0-root 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,rootcontext= "System_u:object_r:tmpfs_t:s0")
/DEV/SDA1 on/boot type EXT4 (rw)
/dev/mapper/vol0-home on/home type EXT4 (rw)
/DEV/SDB5 ON/TMP/SDB5 type EXT4 (rw)
/DEV/SDB6 ON/TMP/SDB6 type EXT4 (rw)
None On/proc/sys/fs/binfmt_misc type Binfmt_misc (rw)
Vmware-vmblock on/var/run/vmblock-fuse type Fuse.vmware-vmblock (rw,nosuid,nodev,default_permissions,allow_other)
Sunrpc on/var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
Gvfs-fuse-daemon ON/ROOT/.GVFS type Fuse.gvfs-fuse-daemon (Rw,nosuid,nodev)
Ten, hand-mounted
1. Check the UUID of SDB5
[[email protected] mnt] #blkid/DEV/SDB5
2, hand-mounted SDB5, SDB6
[Email protected] mnt]# cd/etc
[Email protected] etc]# VI fstab


#
#/etc/fstab
# Created by Anaconda on Fri APR 11 00:49:26 2014
#
# Accessible filesystems, by reference, is maintained under '/dev/disk '
# See mans Pages Fstab (5), Findfs (8), mount (8) and/or Blkid (8) for more info
#
/DEV/MAPPER/VOL0-ROOT/EXT4 Defaults 1 1
Uuid=9353a628-e49f-4675-abf4-b0fe76b38fbc/boot EXT4 Defaults 1 2
/dev/mapper/vol0-home/home EXT4 Defaults 1 2
uuid=f3d4a81c-f2d6-48d8-be1a-35647cd74615 swap swap defaults 0 0
TMPFS/DEV/SHM TMPFS Defaults 0 0
Devpts/dev/pts devpts gid=5,mode=620 0 0
Sysfs/sys Sysfs Defaults 0 0
PROC/PROC proc Defaults 0 0
UUID=DFA6E086-E5BE-4856-9E8D-9565D52B82E6/MNT/SDC5 EXT4 Defaults 0 0
/DEV/SDC6/MNT/SDC6 EXT4 Defaults 0 0
Way has through the partition name and UUID
Xi. Viewing Mount Results
[[email protected] etc]# mount-a------------------Refresh Mount
[email protected] etc]# mount
/dev/mapper/vol0-root 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,rootcontext= "System_u:object_r:tmpfs_t:s0")
/DEV/SDA1 on/boot type EXT4 (rw)
/dev/mapper/vol0-home on/home type EXT4 (rw)
/DEV/SDB5 ON/TMP/SDB5 type EXT4 (rw)
/DEV/SDB6 ON/TMP/SDB6 type EXT4 (rw)
None On/proc/sys/fs/binfmt_misc type Binfmt_misc (rw)
Vmware-vmblock on/var/run/vmblock-fuse type Fuse.vmware-vmblock (rw,nosuid,nodev,default_permissions,allow_other)
Sunrpc on/var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
Gvfs-fuse-daemon ON/ROOT/.GVFS type Fuse.gvfs-fuse-daemon (Rw,nosuid,nodev)
/DEV/SDC5 ON/MNT/SDC5 type EXT4 (rw)
/DEV/SDC6 on/mnt/sdc6 type EXT4 (rw)
[Email protected] etc]#

Add logical partitions and mounts under Linux (Manual and Automatic)