Linux虚拟机扩充本地磁盘后,如何从操作系统中识别使用新的空间
描述:安装操作系统时预分配100GB空间,后又从虚拟机层面扩充该块磁盘为300GB。操作系统中识别到的sda磁盘为322.1GB,但pv仅为100GB,如何使用新扩充的200GB空间,求解?[root@lkdb ~]# fdisk -lDisk /dev/sda: 322.1 GB, 322122547200 bytes255 heads, 63 sectors/track, 39
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描述:
安装操作系统时预分配100GB空间,后又从虚拟机层面扩充该块磁盘为300GB。操作系统中识别到的sda磁盘为322.1GB,但pv仅为100GB,如何使用新扩充的200GB空间,求解?
正常的方法是否如下:
从/dev/sda里新建分区 --> 然后用新分区扩充vg、创建lv --> 然后使用剩余的200GB空间 ?
或者直接pvresize---待实验!
[root@lkdb ~]# fdisk -l
Disk /dev/sda: 322.1 GB, 322122547200 bytes255 heads, 63 sectors/track, 39162 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 13054 104751832+ 8e Linux LVM
Disk /dev/sdb: 1099.5 GB, 1099511627776 bytes
255 heads, 63 sectors/track, 133674 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdb doesn't contain a valid partition table
[root@lkdb ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
88G 11G 73G 13% /
/dev/sda1 99M 13M 82M 14% /boot
tmpfs 15G 0 15G 0% /dev/shm
[root@lkdb ~]# vgdisplay
/dev/hdc: open failed: No medium found
--- Volume group ---
VG Name VolGroup00
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 99.88 GB
PE Size 32.00 MB
Total PE 3196
Alloc PE / Size 3196 / 99.88 GB
Free PE / Size 0 / 0
VG UUID bFb6Ux-Ynvq-HBNt-06JB-MbL2-JVOD-hq6sw0
[root@lkdb ~]# pvdisplay
/dev/hdc: open failed: No medium found
--- Physical volume ---
PV Name /dev/sda2
VG Name VolGroup00
PV Size 99.90 GB / not usable 24.71 MB
Allocatable yes (but full)
PE Size (KByte) 32768
Total PE 3196
Free PE 0
Allocated PE 3196
PV UUID ockii1-0D3Q-Pmby-AKVL-A0uK-i834-KLKrR5
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