Linux Disk partitioning

[Email protected] ~]# part
Parted Partprobe Partx
[Email protected] ~]# parted
Anaconda-ks.cfg. cache/initial-setup-ks.cfg
. bash_history. config/. TCSHRC
. bash_logout. CSHRC. Xauthority
. Bash_profile g3308l
. BASHRC G3308L.1
[Email protected] ~]# parted/dev/sdb Mklabel GPT
GPT is changed to disk format
Warning: The existing disk label On/dev/sdb'll is destroyed and all data on this
Disk would be lost. Want to continue?
Is/yes/no/no? Yes
Info: Need to Update/etc/fstab.

[Email protected] ~]#
[Email protected] ~]# PARTED/DEV/SDB Print
Model:dell PERC H330 ADP (SCSI)
disk/dev/sdb:490gb
Sector size (logical/physical): 512b/512b
Partition TABLE:GPT
Disk Flags:

Number Start End Size File system Name Flag

[Email protected] ~]#
[Email protected] ~]#
[Email protected] ~]# Parted/dev/sdb Mkpart primary EXT4 1 50G
Mkprat Create
Info: Need to Update/etc/fstab.

[Email protected] ~]# PARTED/DEV/SDB Print
Model:dell PERC H330 ADP (SCSI)
disk/dev/sdb:490gb
Sector size (logical/physical): 512b/512b
Partition TABLE:GPT
Disk Flags:

Number Start End Size File system Name Flag
1 1049kB 50.0GB 50.0GB Primary

[Email protected] ~]# parted/dev/sdb Mkpart primary EXT4 50G 220G
Info: Need to Update/etc/fstab.

[Email protected] ~]# PARTED/DEV/SDB Print
Model:dell PERC H330 ADP (SCSI)
disk/dev/sdb:490gb
Sector size (logical/physical): 512b/512b
Partition TABLE:GPT
Disk Flags:

Number Start End Size File system Name Flag
1 1049kB 50.0GB 50.0GB Primary
2 50.0GB 220GB 170GB Primary

[Email protected] ~]# parted/dev/sdb Mkpart primary EXT4 220G 400G
Info: Need to Update/etc/fstab.

[Email protected] ~]# PARTED/DEV/SDB Print
Model:dell PERC H330 ADP (SCSI)
disk/dev/sdb:490gb
Sector size (logical/physical): 512b/512b
Partition TABLE:GPT
Disk Flags:

Number Start End Size File system Name Flag
1 1049kB 50.0GB 50.0GB Primary
2 50.0GB 220GB 170GB Primary
3 220GB 400GB 180GB Primary

[Email protected] ~]# parted/dev/sdb Mkpart primary EXT4 400G 450G
Info: Need to Update/etc/fstab.

[Email protected] ~]# PARTED/DEV/SDB Print
Model:dell PERC H330 ADP (SCSI)
disk/dev/sdb:490gb
Sector size (logical/physical): 512b/512b
Partition TABLE:GPT
Disk Flags:

Number Start End Size File system Name Flag
1 1049kB 50.0GB 50.0GB Primary
2 50.0GB 220GB 170GB Primary
3 220GB 400GB 180GB Primary
4 400GB 450GB 50.0GB Primary

[Email protected] ~]# parted/dev/sdb Mkpart primary EXT4 450G 490.4G
Info: Need to Update/etc/fstab.

[Email protected] ~]#
[Email protected] ~]# PARTED/DEV/SDB Print
Model:dell PERC H330 ADP (SCSI)
disk/dev/sdb:490gb
Sector size (logical/physical): 512b/512b
Partition TABLE:GPT
Disk Flags:

Number Start End Size File system Name Flag
1 1049kB 50.0GB 50.0GB Primary
2 50.0GB 220GB 170GB Primary
3 220GB 400GB 180GB Primary
4 400GB 450GB 50.0GB Primary
5 450GB 490GB 40.4GB Primary
[Email protected] ~]#
[Email protected] ~]# MKF
Mkfifo mkfs mkfs.ext2 Mkfs.fat mkfs.vfat
Mkfontdir mkfs.btrfs mkfs.ext3 Mkfs.minix mkfs.xfs
Mkfontscale Mkfs.cramfs MKFS.EXT4 Mkfs.msdos
[Email protected] ~]# Mkfs.ext
Mkfs.ext2 Mkfs.ext3 MKFS.EXT4
[Email protected] ~]# MKFS.EXT4/DEV/SDB1
MKE2FS 1.42.9 (28-dec-2013)
File System label =
OS Type:linux
Block size =4096 (log=2)
Chunked size =4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
3055616 inodes, 12206848 blocks
610342 blocks (5.00%) reserved for the Super user
First block of data =0
Maximum filesystem blocks=2160066560
373 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424

Allocating group tables: complete
Writing Inode table: complete
Creating Journal (32768 blocks): complete
Writing Superblocks and FileSystem accounting information: Complete

[Email protected] ~]# MKFS.EXT4/DEV/SDB2
MKE2FS 1.42.9 (28-dec-2013)
File System label =
OS Type:linux
Block size =4096 (log=2)
Chunked size =4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
10379264 inodes, 41503744 blocks
2075187 blocks (5.00%) reserved for the Super user
First block of data =0
Maximum filesystem blocks=2189426688
1267 Block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872

Allocating group tables: complete
Writing Inode table: complete
Creating Journal (32768 blocks): complete
Writing Superblocks and FileSystem accounting information: Complete

[Email protected] ~]# MKFS.EXT4/DEV/SDB3
MKE2FS 1.42.9 (28-dec-2013)
File System label =
OS Type:linux
Block size =4096 (log=2)
Chunked size =4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
10993664 inodes, 43945472 blocks
2197273 blocks (5.00%) reserved for the Super user
First block of data =0
Maximum filesystem blocks=2191523840
1342 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872

Allocating group tables: complete
Writing Inode table: complete
Creating Journal (32768 blocks): complete
Writing Superblocks and FileSystem accounting information: Complete

[Email protected] ~]# MKFS.EXT4/DEV/SDB4
MKE2FS 1.42.9 (28-dec-2013)
File System label =
OS Type:linux
Block size =4096 (log=2)
Chunked size =4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
3055616 inodes, 12206848 blocks
610342 blocks (5.00%) reserved for the Super user
First block of data =0
Maximum filesystem blocks=2160066560
373 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424

Allocating group tables: complete
Writing Inode table: complete
Creating Journal (32768 blocks): complete
Writing Superblocks and FileSystem accounting information: Complete

[Email protected] ~]# MKFS.EXT4/DEV/SDB5
MKE2FS 1.42.9 (28-dec-2013)
File System label =
OS Type:linux
Block size =4096 (log=2)
Chunked size =4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
2469152 inodes, 9870848 blocks
493542 blocks (5.00%) reserved for the Super user
First block of data =0
Maximum filesystem blocks=2157969408
302 Block Groups
32768 blocks per group, 32768 fragments per group
8176 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624

Allocating group tables: complete
Writing Inode table: complete
Creating Journal (32768 blocks): complete
Writing Superblocks and FileSystem accounting information: Complete
[Email protected] ~]#
[Email protected] ~]# fdisk-l
Usage:
fdisk [options] < disk > Change partition table
fdisk [Options]-l < disk > list partition table
Fdisk-s < partitioning > Given partition size (number of blocks)

Options:
-B < size > sector size (512, 1024, 2048, or 4096)
-c[=< mode;] Compatibility mode: "DOS" or "Nondos" (default)
-H Print this help text
-u[=< units;] Display units: "Cylinders" (cylinder) or "sectors" (sector, default)
-V Print Program version
-C < number > specified number of cylinders
-H < number > specified head number
-S < number > Specify the number of sectors per track

[Email protected] ~]# fdisk-l

Disk/dev/sda:108.4 GB, 108447924224 bytes, 211,812,352 sectors
Units = Sector of 1 * bytes
Sector size (logical/Physical): 512 Bytes/512 bytes
I/o size (min/best): 512 Bytes/512 bytes
Disk label Type: dos
Disk identifier: 0X000F1E5E

Device Boot Start End Blocks Id System
/DEV/SDA1 * 2048 1026047 512000 Linux
/dev/sda2 1026048 211812351 105393152 8e Linux LVM
Warning:fdisk GPT support are currently new, and therefore in an experimental phase. Use at your own discretion.

Disk/dev/sdb:490.4 GB, 490431578112 bytes, 957,874,176 sectors
Units = Sector of 1 * bytes
Sector size (logical/Physical): 512 Bytes/512 bytes
I/o size (min/best): 512 Bytes/512 bytes
Disk label type: GPT
Disk IDENTIFIER:B191B484-44AF-438D-938F-11D274A49EB4

Start End Size Type Name

1 2048 97656831 46.6G Microsoft Basic Primary
2 97656832 429686783 158.3G Microsoft Basic Primary
3 429686784 781250559 167.7G Microsoft Basic Primary
4 781250560 878905343 46.6G Microsoft Basic Primary
5 878905344 957872127 37.7G Microsoft Basic Primary

Disk/dev/mapper/centos-root:53.7 GB, 53687091200 bytes, 104.8576 million sectors
Units = Sector of 1 * bytes
Sector size (logical/Physical): 512 Bytes/512 bytes
I/o size (min/best): 512 Bytes/512 bytes

Disk/dev/mapper/centos-swap:8321 MB, 8321499136 bytes, 16,252,928 sectors
Units = Sector of 1 * bytes
Sector size (logical/Physical): 512 Bytes/512 bytes
I/o size (min/best): 512 Bytes/512 bytes

Disk/dev/mapper/centos-home:45.8 GB, 45843742720 bytes, 89,538,560 sectors
Units = Sector of 1 * bytes
Sector size (logical/Physical): 512 Bytes/512 bytes
I/o size (min/best): 512 Bytes/512 bytes

Create multiple directory mounts (sibling directories)!
[[Email protected] ~] #mkdir-P/{data,data_db,data_mm,data_zk,data-bak}
[Email protected]/]#
Mount
[Email protected]/]# Mount/dev/sdb1/data
[Email protected]/]# mount/dev/sdb2/data_db
[Email protected]/]# mount/dev/sdb3/data_mm
[Email protected]/]# MOUNT/DEV/SDB4/DATA_ZK
[Email protected]/]# Mount/dev/sdb5/data_bak
[Email protected]/]# df-h
File system capacity has been used with available% mount points
/dev/mapper/centos-root 50G 4.2G 46G 9%/
Devtmpfs 7.7G 0 7.7G 0%/dev
Tmpfs 7.7G 0 7.7G 0%/dev/shm
Tmpfs 7.7G 35M 7.6G 1%/run
Tmpfs 7.7G 0 7.7G 0%/sys/fs/cgroup
/dev/mapper/centos-home 43G 38M 43G 1%/Home
/DEV/SDA1 497M 207M 290M 42%/boot
Tmpfs 1.6G 12K 1.6G 1%/run/user/42
Tmpfs 1.6G 0 1.6G 0%/run/user/0
/DEV/SDB1 46G 53M 44G 1%/data
/DEV/SDB2 156G 61M 148G 1%/data_db
/DEV/SDB3 165G 61M 157G 1%/data_mm
/DEV/SDB4 46G 53M 44G 1%/DATA_ZK
/DEV/SDB5 37G 49M 35G 1%/data_bak
[Email protected]/]#
Add power-on self-start
[Email protected]/]# Vi/etc/fstab
#

/etc/fstabcreated by Anaconda on Thu 10 21:49:38 2018

#

Accessible filesystems, by reference, is maintained under '/dev/disk ' See Mans Pages Fstab (5), Findfs (8), mount (8) and/or B Lkid (8) for more info

#
/DEV/MAPPER/CENTOS-ROOT/XFS Defaults 0 0
Uuid=b1d9e140-abb0-4d5c-b79e-fdd0ef5b5c3d/boot XFS Defaults 0 0
/dev/mapper/centos-home/home XFS Defaults 0 0
/dev/mapper/centos-swap swap swap defaults 0 0
~
~

#

/etc/fstabcreated by Anaconda on Thu 10 21:49:38 2018

#

Accessible filesystems, by reference, is maintained under '/dev/disk ' See Mans Pages Fstab (5), Findfs (8), mount (8) and/or B Lkid (8) for more info

#
/DEV/MAPPER/CENTOS-ROOT/XFS Defaults 0 0
Uuid=b1d9e140-abb0-4d5c-b79e-fdd0ef5b5c3d/boot XFS Defaults 0 0
/dev/mapper/centos-home/home XFS Defaults 0 0
/DEV/SDB3 on/data_mm type EXT4 (rw,relatime,seclabel,data=ordered)
"/etc/fstab" 17L, 916C written
[Email protected]/]#
[Email protected]/]# df-h
File system capacity has been used with available% mount points
/dev/mapper/centos-root 50G 4.2G 46G 9%/
Devtmpfs 7.7G 0 7.7G 0%/dev
Tmpfs 7.7G 0 7.7G 0%/dev/shm
Tmpfs 7.7G 35M 7.6G 1%/run
Tmpfs 7.7G 0 7.7G 0%/sys/fs/cgroup
/dev/mapper/centos-home 43G 38M 43G 1%/Home
/DEV/SDA1 497M 207M 290M 42%/boot
Tmpfs 1.6G 12K 1.6G 1%/run/user/42
Tmpfs 1.6G 0 1.6G 0%/run/user/0
/DEV/SDB1 46G 53M 44G 1%/data
/DEV/SDB2 156G 61M 148G 1%/data_db
/DEV/SDB3 165G 61M 157G 1%/data_mm
/DEV/SDB4 46G 53M 44G 1%/DATA_ZK
/DEV/SDB5 37G 49M 35G 1%/data_bak
[Email protected]/]#
[Email protected]/]# PARTED/DEV/SDB Print
Model:dell PERC H330 ADP (SCSI)
disk/dev/sdb:490gb
Sector size (logical/physical): 512b/512b
Partition TABLE:GPT
Disk Flags:

Number Start End Size File system Name Flag
1 1049kB 50.0GB 50.0GB EXT4 Primary
2 50.0GB 220GB 170GB EXT4 Primary
3 220GB 400GB 180GB EXT4 Primary
4 400GB 450GB 50.0GB EXT4 Primary
5 450GB 490GB 40.4GB EXT4 Primary

Linux Disk partitioning