centos 加大于2TB的硬盘,parted分区并加入lvm

[root@localhost ~]# parted /dev/xvdb
GNU Parted 3.1
使用 /dev/xvdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print
错误: /dev/xvdb: unrecognised disk label
Model: Xen Virtual Block Device (xvd)
Disk /dev/xvdb: 215GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:
(parted) mklabel gpt
(parted) print
Model: Xen Virtual Block Device (xvd)
Disk /dev/xvdb: 215GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:

Number Start End Size File system Name 标志

(parted) mkpart primary 0% 100%
(parted) print
Model: Xen Virtual Block Device (xvd)
Disk /dev/xvdb: 215GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:

Number Start End Size File system Name 标志
1 1049kB 215GB 215GB primary

(parted) quit

[root@localhost ~]# pvcreate /dev/xvdb1
Physical volume "/dev/xvdb1" successfully created.
[root@localhost ~]# vgextend centos /dev/xvdb1
Volume group "centos" successfully extended
[root@localhost ~]# lvextend -l +100%FREE /dev/mapper/centos-home
Size of logical volume centos/home changed from 65.00 GiB (16640 extents) to <265.00 GiB (67839 extents).
Logical volume centos/home successfully resized.
[root@localhost ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
/dev/mapper/centos-root 50G 7.3G 43G 15% /
devtmpfs 13G 0 13G 0% /dev
tmpfs 13G 0 13G 0% /dev/shm
tmpfs 13G 8.8M 13G 1% /run
tmpfs 13G 0 13G 0% /sys/fs/cgroup
/dev/xvda1 1014M 143M 872M 15% /boot
/dev/mapper/centos-home 65G 62G 3.9G 95% /var
tmpfs 2.6G 0 2.6G 0% /run/user/0
[root@localhost ~]# xfs_growfs /dev/mapper/centos-home
meta-data=/dev/mapper/centos-home isize=512 agcount=4, agsize=4259840 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0 spinodes=0
data = bsize=4096 blocks=17039360, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=8320, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 17039360 to 69467136
[root@localhost ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
/dev/mapper/centos-root 50G 7.3G 43G 15% /
devtmpfs 13G 0 13G 0% /dev
tmpfs 13G 0 13G 0% /dev/shm
tmpfs 13G 8.8M 13G 1% /run
tmpfs 13G 0 13G 0% /sys/fs/cgroup
/dev/xvda1 1014M 143M 872M 15% /boot
/dev/mapper/centos-home 265G 62G 204G 24% /var
tmpfs 2.6G 0 2.6G 0% /run/user/0


emer 发布于  2023-3-13 11:11