centos7分区大于2T的sda磁盘
时间：2021-02-26 来源：未知 投稿：admin 点击：次
首先确认分区类型为GPT，之后使用fdisk命令格式化。
操作过程 ：
[root@rongzai36 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 1 54.6T 0 disk
├─sda1 8:1 1 2M 0 part
├─sda2 8:2 1 500M 0 part /boot
├─sda3 8:3 1 66G 0 part
│ ├─centos-root 253:0 0 50G 0 lvm /
│ └─centos-swap 253:1 0 16G 0 lvm [SWAP]
└─sda4 8:4 1 512B 0 part
[root@rongzai36 ~]# parted
GNU Parted 3.1
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) l
align-check TYPE N check partition N for TYPE(min|opt) alignment
help [COMMAND] print general help, or help on COMMAND
mklabel,mktable LABEL-TYPE create a new disklabel (partition table)
mkpart PART-TYPE [FS-TYPE] START END make a partition
name NUMBER NAME name partition NUMBER as NAME
print [devices|free|list,all|NUMBER] display the partition table, available devices, free space, all found partitions, or a particular partition
quit exit program
rescue START END rescue a lost partition near START and END
resizepart NUMBER END resize partition NUMBER
rm NUMBER delete partition NUMBER
select DEVICE choose the device to edit
disk_set FLAG STATE change the FLAG on selected device
disk_toggle [FLAG] toggle the state of FLAG on selected device
set NUMBER FLAG STATE change the FLAG on partition NUMBER
toggle [NUMBER [FLAG]] toggle the state of FLAG on partition NUMBER
unit UNIT set the default unit to UNIT
version display the version number and copyright information of GNU Parted
(parted) ^C
(parted) quit
[root@rongzai36 ~]# fdisk /dev/sda
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): p
Disk /dev/sda: 59995.3 GB, 59995313930240 bytes, 117178347520 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: gpt
Disk identifier: 0245AECA-7F42-48F4-AC72-A4C2E649CAD1
# Start End Size Type Name
1 2048 6143 2M BIOS boot
2 6144 1030143 500M Microsoft basic
3 1030144 139458559 66G Linux LVM
4 2047 2047 512B Microsoft basic data
Command (m for help): n
Partition number (5-128, default 5):
First sector (34-117178347486, default 139458560):
Last sector, +sectors or +size{K,M,G,T,P} (139458560-117178347486, default 117178347486):
Created partition 5
Command (m for help): p
Disk /dev/sda: 59995.3 GB, 59995313930240 bytes, 117178347520 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: gpt
Disk identifier: 0245AECA-7F42-48F4-AC72-A4C2E649CAD1
# Start End Size Type Name
1 2048 6143 2M BIOS boot
2 6144 1030143 500M Microsoft basic
3 1030144 139458559 66G Linux LVM
4 2047 2047 512B Microsoft basic data
5 139458560 117178347486 54.5T Linux filesyste
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
[root@rongzai36 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 1 54.6T 0 disk
├─sda1 8:1 1 2M 0 part
├─sda2 8:2 1 500M 0 part /boot
├─sda3 8:3 1 66G 0 part
│ ├─centos-root 253:0 0 50G 0 lvm /
│ └─centos-swap 253:1 0 16G 0 lvm [SWAP]
└─sda4 8:4 1 512B 0 part
[root@rongzai36 ~]# kpartx -h
kpartx: invalid option -- 'h'
usage : kpartx [-a|-d|-l] [-f] [-v] wholedisk
-a add partition devmappings
-r devmappings will be readonly
-d del partition devmappings
-u update partition devmappings
-l list partitions devmappings that would be added by -a
-p set device name-partition number delimiter
-g force GUID partition table (GPT)
-f force devmap create
-v verbose
-n nosync mode. Return before the partitions are created
-s sync mode. Don't return until the partitions are created. Default.
[root@rongzai36 ~]# kpartx -sv /dev/sda
sda1 : 0 4096 /dev/sda 2048
sda2 : 0 1024000 /dev/sda 6144
sda3 : 0 138428416 /dev/sda 1030144
sda4 : 0 1 /dev/sda 2047
sda5 : 0 117038888927 /dev/sda 139458560
[root@rongzai36 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 1 54.6T 0 disk
├─sda1 8:1 1 2M 0 part
├─sda2 8:2 1 500M 0 part /boot
├─sda3 8:3 1 66G 0 part
│ ├─centos-root 253:0 0 50G 0 lvm /
│ └─centos-swap 253:1 0 16G 0 lvm [SWAP]
└─sda4 8:4 1 512B 0 part
[root@rongzai36 ~]# partprobe /dev/sda
[root@rongzai36 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 1 54.6T 0 disk
├─sda1 8:1 1 2M 0 part
├─sda2 8:2 1 500M 0 part /boot
├─sda3 8:3 1 66G 0 part
│ ├─centos-root 253:0 0 50G 0 lvm /
│ └─centos-swap 253:1 0 16G 0 lvm [SWAP]
├─sda4 8:4 1 512B 0 part
└─sda5 8:5 1 54.5T 0 part
[root@rongzai36 ~]# fdisk /dev/sda
sda sda1 sda2 sda3 sda4 sda5
[root@rongzai36 ~]# mkfs.ext4 /dev/sda
sda sda1 sda2 sda3 sda4 sda5
[root@rongzai36 ~]# mkfs.ext4 /dev/sda5
mke2fs 1.42.9 (28-Dec-2013)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
914366464 inodes, 14629861115 blocks
731493055 blocks (5.00%) reserved for the super user
First data block=0
446468 block groups
32768 blocks per group, 32768 fragments per group
2048 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
102400000, 214990848, 512000000, 550731776, 644972544, 1934917632,
2560000000, 3855122432, 5804752896, 12800000000
Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
[root@rongzai36 ~]# mkdir /data
[root@rongzai36 ~]# vi /etc/fstab
[root@rongzai36 ~]# mount -a
[root@rongzai36 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 63G 0 63G 0% /dev
tmpfs 63G 0 63G 0% /dev/shm
tmpfs 63G 19M 63G 1% /run
tmpfs 63G 0 63G 0% /sys/fs/cgroup
/dev/mapper/centos-root 50G 1.6G 49G 4% /
/dev/sda2 497M 174M 323M 35% /boot
tmpfs 13G 0 13G 0% /run/user/0
/dev/sda5 55T 20K 52T 1% /data
操作过程 ：
[root@rongzai36 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 1 54.6T 0 disk
├─sda1 8:1 1 2M 0 part
├─sda2 8:2 1 500M 0 part /boot
├─sda3 8:3 1 66G 0 part
│ ├─centos-root 253:0 0 50G 0 lvm /
│ └─centos-swap 253:1 0 16G 0 lvm [SWAP]
└─sda4 8:4 1 512B 0 part
[root@rongzai36 ~]# parted
GNU Parted 3.1
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) l
align-check TYPE N check partition N for TYPE(min|opt) alignment
help [COMMAND] print general help, or help on COMMAND
mklabel,mktable LABEL-TYPE create a new disklabel (partition table)
mkpart PART-TYPE [FS-TYPE] START END make a partition
name NUMBER NAME name partition NUMBER as NAME
print [devices|free|list,all|NUMBER] display the partition table, available devices, free space, all found partitions, or a particular partition
quit exit program
rescue START END rescue a lost partition near START and END
resizepart NUMBER END resize partition NUMBER
rm NUMBER delete partition NUMBER
select DEVICE choose the device to edit
disk_set FLAG STATE change the FLAG on selected device
disk_toggle [FLAG] toggle the state of FLAG on selected device
set NUMBER FLAG STATE change the FLAG on partition NUMBER
toggle [NUMBER [FLAG]] toggle the state of FLAG on partition NUMBER
unit UNIT set the default unit to UNIT
version display the version number and copyright information of GNU Parted
(parted) ^C
(parted) quit
[root@rongzai36 ~]# fdisk /dev/sda
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): p
Disk /dev/sda: 59995.3 GB, 59995313930240 bytes, 117178347520 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: gpt
Disk identifier: 0245AECA-7F42-48F4-AC72-A4C2E649CAD1
# Start End Size Type Name
1 2048 6143 2M BIOS boot
2 6144 1030143 500M Microsoft basic
3 1030144 139458559 66G Linux LVM
4 2047 2047 512B Microsoft basic data
Command (m for help): n
Partition number (5-128, default 5):
First sector (34-117178347486, default 139458560):
Last sector, +sectors or +size{K,M,G,T,P} (139458560-117178347486, default 117178347486):
Created partition 5
Command (m for help): p
Disk /dev/sda: 59995.3 GB, 59995313930240 bytes, 117178347520 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: gpt
Disk identifier: 0245AECA-7F42-48F4-AC72-A4C2E649CAD1
# Start End Size Type Name
1 2048 6143 2M BIOS boot
2 6144 1030143 500M Microsoft basic
3 1030144 139458559 66G Linux LVM
4 2047 2047 512B Microsoft basic data
5 139458560 117178347486 54.5T Linux filesyste
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
[root@rongzai36 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 1 54.6T 0 disk
├─sda1 8:1 1 2M 0 part
├─sda2 8:2 1 500M 0 part /boot
├─sda3 8:3 1 66G 0 part
│ ├─centos-root 253:0 0 50G 0 lvm /
│ └─centos-swap 253:1 0 16G 0 lvm [SWAP]
└─sda4 8:4 1 512B 0 part
[root@rongzai36 ~]# kpartx -h
kpartx: invalid option -- 'h'
usage : kpartx [-a|-d|-l] [-f] [-v] wholedisk
-a add partition devmappings
-r devmappings will be readonly
-d del partition devmappings
-u update partition devmappings
-l list partitions devmappings that would be added by -a
-p set device name-partition number delimiter
-g force GUID partition table (GPT)
-f force devmap create
-v verbose
-n nosync mode. Return before the partitions are created
-s sync mode. Don't return until the partitions are created. Default.
[root@rongzai36 ~]# kpartx -sv /dev/sda
sda1 : 0 4096 /dev/sda 2048
sda2 : 0 1024000 /dev/sda 6144
sda3 : 0 138428416 /dev/sda 1030144
sda4 : 0 1 /dev/sda 2047
sda5 : 0 117038888927 /dev/sda 139458560
[root@rongzai36 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 1 54.6T 0 disk
├─sda1 8:1 1 2M 0 part
├─sda2 8:2 1 500M 0 part /boot
├─sda3 8:3 1 66G 0 part
│ ├─centos-root 253:0 0 50G 0 lvm /
│ └─centos-swap 253:1 0 16G 0 lvm [SWAP]
└─sda4 8:4 1 512B 0 part
[root@rongzai36 ~]# partprobe /dev/sda
[root@rongzai36 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 1 54.6T 0 disk
├─sda1 8:1 1 2M 0 part
├─sda2 8:2 1 500M 0 part /boot
├─sda3 8:3 1 66G 0 part
│ ├─centos-root 253:0 0 50G 0 lvm /
│ └─centos-swap 253:1 0 16G 0 lvm [SWAP]
├─sda4 8:4 1 512B 0 part
└─sda5 8:5 1 54.5T 0 part
[root@rongzai36 ~]# fdisk /dev/sda
sda sda1 sda2 sda3 sda4 sda5
[root@rongzai36 ~]# mkfs.ext4 /dev/sda
sda sda1 sda2 sda3 sda4 sda5
[root@rongzai36 ~]# mkfs.ext4 /dev/sda5
mke2fs 1.42.9 (28-Dec-2013)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
914366464 inodes, 14629861115 blocks
731493055 blocks (5.00%) reserved for the super user
First data block=0
446468 block groups
32768 blocks per group, 32768 fragments per group
2048 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
102400000, 214990848, 512000000, 550731776, 644972544, 1934917632,
2560000000, 3855122432, 5804752896, 12800000000
Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
[root@rongzai36 ~]# mkdir /data
[root@rongzai36 ~]# vi /etc/fstab
[root@rongzai36 ~]# mount -a
[root@rongzai36 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 63G 0 63G 0% /dev
tmpfs 63G 0 63G 0% /dev/shm
tmpfs 63G 19M 63G 1% /run
tmpfs 63G 0 63G 0% /sys/fs/cgroup
/dev/mapper/centos-root 50G 1.6G 49G 4% /
/dev/sda2 497M 174M 323M 35% /boot
tmpfs 13G 0 13G 0% /run/user/0
/dev/sda5 55T 20K 52T 1% /data
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