linux 扩容

tmpfs tmpfs 82M 0 82M 0% /run/user/1002

tmpfs tmpfs 82M 0 82M 0% /run/user/0

输入命令# fdisk -lu

Disk /dev/vda: 40 GiB, 42949672960 bytes, 83886080 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

Disklabel type: dos

Disk identifier: 0x76042835

Device Boot Start End Sectors Size Id Type

/dev/vda1 * 2048 41943039 41940992 20G 83 Linux

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输入命令# fdisk -lu

Disk /dev/vda: 40 GiB, 42949672960 bytes, 83886080 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

Disklabel type: dos

Disk identifier: 0x76042835

Device Boot Start End Sectors Size Id Type

/dev/vda1 * 2048 41943039 41940992 20G 83 Linux

输入命令# type growpart || yum install -y cloud-utils-growpart

growpart is /usr/bin/growpart

输入命令# LC_ALL=en_US.UTF-8 growpart /dev/vdb 1

FAILED: /dev/vdb: does not exist

输入命令# fdisk -lu

Disk /dev/vda: 40 GiB, 42949672960 bytes, 83886080 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

Disklabel type: dos

Disk identifier: 0x76042835

Device Boot Start End Sectors Size Id Type

/dev/vda1 * 2048 41943039 41940992 20G 83 Linux

输入命令# df -Th

Filesystem Type Size Used Avail Use% Mounted on

devtmpfs devtmpfs 395M 0 395M 0% /dev

tmpfs tmpfs 410M 0 410M 0% /dev/shm

tmpfs tmpfs 410M 504K 409M 1% /run

tmpfs tmpfs 410M 0 410M 0% /sys/fs/cgroup

/dev/vda1 xfs 20G 20G 510M 98% /

tmpfs tmpfs 82M 0 82M 0% /run/user/1002

tmpfs tmpfs 82M 0 82M 0% /run/user/0

输入命令# df -Th

Filesystem Type Size Used Avail Use% Mounted on

devtmpfs devtmpfs 395M 0 395M 0% /dev

tmpfs tmpfs 410M 0 410M 0% /dev/shm

tmpfs tmpfs 410M 504K 409M 1% /run

tmpfs tmpfs 410M 0 410M 0% /sys/fs/cgroup

/dev/vda1 xfs 20G 20G 510M 98% /

tmpfs tmpfs 82M 0 82M 0% /run/user/1002

tmpfs tmpfs 82M 0 82M 0% /run/user/0

输入命令# fdisk -lu

Disk /dev/vda: 40 GiB, 42949672960 bytes, 83886080 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

Disklabel type: dos

Disk identifier: 0x76042835

Device Boot Start End Sectors Size Id Type

/dev/vda1 * 2048 41943039 41940992 20G 83 Linux

输入命令# LC_ALL=en_US.UTF-8 growpart /dev/vdb 1

FAILED: /dev/vdb: does not exist

输入命令# LC_ALL=en_US.UTF-8 growpart /dev/vda 1

CHANGED: partition=1 start=2048 old: size=41940992 end=41943040 new: size=83883999,end=83886047

输入命令# df -Th

Filesystem Type Size Used Avail Use% Mounted on

devtmpfs devtmpfs 395M 0 395M 0% /dev

tmpfs tmpfs 410M 0 410M 0% /dev/shm

tmpfs tmpfs 410M 504K 409M 1% /run

tmpfs tmpfs 410M 0 410M 0% /sys/fs/cgroup

/dev/vda1 xfs 20G 20G 510M 98% /

tmpfs tmpfs 82M 0 82M 0% /run/user/1002

tmpfs tmpfs 82M 0 82M 0% /run/user/0

输入命令# resize2fs /dev/vda1

resize2fs 1.45.4 (23-Sep-2019)

resize2fs: Bad magic number in super-block while trying to open /dev/vda1

Couldn't find valid filesystem superblock.

输入命令# df -Th

Filesystem Type Size Used Avail Use% Mounted on

devtmpfs devtmpfs 395M 0 395M 0% /dev

tmpfs tmpfs 410M 0 410M 0% /dev/shm

tmpfs tmpfs 410M 504K 409M 1% /run

tmpfs tmpfs 410M 0 410M 0% /sys/fs/cgroup

/dev/vda1 xfs 20G 20G 510M 98% /

tmpfs tmpfs 82M 0 82M 0% /run/user/1002

tmpfs tmpfs 82M 0 82M 0% /run/user/0

输入命令# resize2fs /dev/vda1^C

输入命令# fdisk -l

Disk /dev/vda: 40 GiB, 42949672960 bytes, 83886080 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

Disklabel type: dos

Disk identifier: 0x76042835

Device Boot Start End Sectors Size Id Type

/dev/vda1 * 2048 83886046 83883999 40G 83 Linux

输入命令#

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