xenceter调整硬盘大小(centos)

上一篇 / 下一篇  2019-07-27 16:28:34 / 个人分类:Linux

1.     登录到XenServer

2.     修改虚拟机磁盘大小

3.     启动虚拟机

4.     修改分区大小
[root@iskytest04db ~]#df -h

Filesystem      Size  Used Avail Use% Mounted on

/dev/xvda2       86G   57G   29G  67% /

devtmpfs        2.8G     0  2.8G   0% /dev

tmpfs           2.8G     0  2.8G   0% /dev/shm

tmpfs           2.8G  8.6M  2.8G   1% /run

tmpfs           2.8G     0  2.8G   0% /sys/fs/cgroup

tmpfs           570M     0  570M   0% /run/user/0

[root@iskytest04db ~]#fdisk /dev/xvda

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/xvda: 322.1 GB, 322122547200 bytes, 629145600 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: dos

Disk identifier: 0x0009a7e1

 

    Device Boot      Start         End      Blocks   Id  System

/dev/xvda1            2048    30722047    15360000   82  Linux swap / Solaris

/dev/xvda2   *    30722048   209715199    89496576   83  Linux

 

Command (m for help):d

Partition number (1,2, default 2):2

Partition 2 is deleted

 

Command (m for help):n

Partition type:

   p   primary (1 primary, 0 extended, 3 free)

   e   extended

Select (default p):p

Partition number (2-4, default 2):2

First sector (30722048-629145599, default 30722048):

Using default value 30722048

Last sector, +sectors or +size{K,M,G} (30722048-629145599, default 629145599):

Using default value 629145599

Partition 2 of type Linux and of size 285.4 GiB is set

 

Command (m for help):t

Partition number (1,2, default 2):2

Hex code (type L to list all codes):8e

Changed type of partition 'Linux' to 'Linux LVM'

 

Command (m for help):p

 

Disk /dev/xvda: 322.1 GB, 322122547200 bytes, 629145600 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: dos

Disk identifier: 0x0009a7e1

 

    Device Boot      Start         End      Blocks   Id  System

/dev/xvda1            2048    30722047    15360000   82  Linux swap / Solaris

/dev/xvda2        30722048   629145599   299211776   8e  Linux LVM

 

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@iskytest04db ~]#reboot

 

[root@iskytest04db ~]# xfs_growfs /dev/xvda2

 

[root@iskytest04db ~]#df -h

Filesystem      Size  Used Avail Use% Mounted on

/dev/xvda2      286G   57G  229G  20% /

devtmpfs        2.8G     0  2.8G   0% /dev

tmpfs           2.8G     0  2.8G   0% /dev/shm

tmpfs           2.8G  8.6M  2.8G   1% /run

tmpfs           2.8G     0  2.8G   0% /sys/fs/cgroup

tmpfs           570M     0  570M   0% /run/user/0


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