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关闭虚机,首先为虚拟机添加1块盘,例如12G。
其实也可以将已有的盘扩容,但我之前盘的格式是VMDK,不支持扩容,如果是VDI就没有问题
E:\RACLab\Node2>"c:\Program Files\Oracle\VirtualBox\VBoxManage" modifyhd rootdisk1.vmdk --resize 200000
0%...
Progress state: VBOX_E_NOT_SUPPORTED
VBoxManage.exe: error: Resize medium operation for this format is not implemented yet!
启动虚机,在OS下格式化此盘sdh
[root@ol7-122-rac1 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 24G 0 disk
├─sda1 8:1 0 500M 0 part /boot
└─sda2 8:2 0 23.5G 0 part
├─ol-root 252:0 0 21.1G 0 lvm /
└─ol-swap 252:1 0 2.4G 0 lvm [SWAP]
sdb 8:16 0 2G 0 disk
└─sdb1 8:17 0 2G 0 part
sdc 8:32 0 2G 0 disk
└─sdc1 8:33 0 2G 0 part
sdd 8:48 0 2G 0 disk
└─sdd1 8:49 0 2G 0 part
sde 8:64 0 2G 0 disk
└─sde1 8:65 0 2G 0 part
sdf 8:80 0 20G 0 disk
└─sdf1 8:81 0 20G 0 part
sdg 8:96 0 20G 0 disk
└─sdg1 8:97 0 20G 0 part
sdh 8:112 0 12G 0 disk
sr0 11:0 1 1024M 0 rom
[root@ol7-122-rac1 ~]# fdisk /dev/sdh
fdisk输入的命令为n, p,回车,回车,w,形成分区sdh1
[root@ol7-122-rac1 ~]# ls /dev/sd*
/dev/sda /dev/sdb /dev/sdc1 /dev/sde /dev/sdf1 /dev/sdh
/dev/sda1 /dev/sdb1 /dev/sdd /dev/sde1 /dev/sdg /dev/sdh1
/dev/sda2 /dev/sdc /dev/sdd1 /dev/sdf /dev/sdg1
然后创建pv,扩展vg
[root@ol7-122-rac1 ~]# pvcreate /dev/sdh1
Physical volume "/dev/sdh1" successfully created
[root@ol7-122-rac1 ~]# vgdisplay
--- Volume group ---
VG Name ol
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 1
Act PV 1
VG Size 23.51 GiB
PE Size 4.00 MiB
Total PE 6018
Alloc PE / Size 6008 / 23.47 GiB
Free PE / Size 10 / 40.00 MiB
VG UUID yOD2tO-qDZe-d19l-1P6J-cSA4-VN0I-BXxChX
[root@ol7-122-rac1 ~]# vgextend ol /dev/sdh1
Volume group "ol" successfully extended
[root@ol7-122-rac1 ~]# vgdisplay VolGroup00 | grep "Free"
Volume group "VolGroup00" not found
Cannot process volume group VolGroup00
[root@ol7-122-rac1 ~]# vgdisplay ol | grep "Free"
Free PE / Size 3081 / 12.04 GiB
查看并扩展lv
[root@ol7-122-rac1 ~]# lvdisplay
--- Logical volume ---
LV Path /dev/ol/swap
LV Name swap
VG Name ol
LV UUID 13PRF3-7Qwt-ssrv-eQNV-7LZw-dgDH-dyCjhY
LV Write Access read/write
LV Creation host, time localhost, 2016-10-22 21:25:09 +0800
LV Status available
# open 2
LV Size 2.40 GiB
Current LE 615
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 252:1
--- Logical volume ---
LV Path /dev/ol/root
LV Name root
VG Name ol
LV UUID rir5ib-Qrhd-e0e3-pEw6-1ffE-fXH2-5VRrF3
LV Write Access read/write
LV Creation host, time localhost, 2016-10-22 21:25:09 +0800
LV Status available
# open 1
LV Size 21.07 GiB
Current LE 5393
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 252:0
[root@ol7-122-rac1 ~]# lvextend -L+12G /dev/ol/root
Size of logical volume ol/root changed from 21.07 GiB (5393 extents) to 33.07 GiB (8465 extents).
Logical volume root successfully resized.
扩展文件系统,不同文件系统的扩展命令可能不一样
[root@ol7-122-rac1 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/ol-root 22G 14G 7.2G 67% /
devtmpfs 2.8G 0 2.8G 0% /dev
tmpfs 2.8G 645M 2.2G 23% /dev/shm
tmpfs 2.8G 9.1M 2.8G 1% /run
tmpfs 2.8G 0 2.8G 0% /sys/fs/cgroup
/dev/sda1 497M 211M 287M 43% /boot
12.2.0.1 100G 89G 11G 89% /media/sf_12.2.0.1
tmpfs 572M 8.0K 572M 1% /run/user/0
[root@ol7-122-rac1 ~]# xfs_growfs /dev/ol/root
meta-data=/dev/mapper/ol-root isize=256 agcount=4, agsize=1380608 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0 finobt=0
data = bsize=4096 blocks=5522432, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal bsize=4096 blocks=2696, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 5522432 to 8668160
[root@ol7-122-rac1 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/ol-root 34G 14G 20G 43% /
devtmpfs 2.8G 0 2.8G 0% /dev
tmpfs 2.8G 645M 2.2G 23% /dev/shm
tmpfs 2.8G 9.1M 2.8G 1% /run
tmpfs 2.8G 0 2.8G 0% /sys/fs/cgroup
/dev/sda1 497M 211M 287M 43% /boot
12.2.0.1 100G 89G 11G 89% /media/sf_12.2.0.1
tmpfs 572M 8.0K 572M 1% /run/user/0