parted分区并加入lvm

你的名字 2022-05-14 05:40 216阅读 0赞

\[root@localhost ~\]\# 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