VMware增加Linux磁盘空间,通过LVM调整.
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2020-01-15
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调整磁盘大小
首先在VM中扩展/增加磁盘
查看增加了容量的磁盘
~$ fdisk -lDisk /dev/sda: 10.7 GB, 10737418240 bytes 255 heads, 63 sectors/track, 1305 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System /dev/sda1 * 1 13 104391 83 Linux /dev/sda2 14 391 3036285 8e Linux LVM
创建新分区
进入分区界面,输入’n’创建新分区
~$ fdisk /dev/sda输入p选择primary partitionThe number of cylinders for this disk is set to 1305. There is nothing wrong with that, but this is larger than 1024, and could in certain setups cause problems with: 1) software that runs at boot time (e.g., old versions of LILO) 2) booting and partitioning software from other OSs (e.g., DOS FDISK, OS/2 FDISK)
Command (m for help): n
Command action e extended p primary partition (1-4) p因为我们已经有两个分区了,所以输入3
Partition number (1-4): 3输入起始与结束位置
First cylinder (392-1305, default 392): <enter> Using default value 392 Last cylinder or +size or +sizeM or +sizeK (392-1305, default 1305): <enter> Using default value 1305设置分区类型
Command (m for help): t Partition number (1-4): 3 Hex code (type L to list codes): 8e Changed system type of partition 3 to 8e (Linux LVM)输入w 保存配置
Command (m for help): w此时fdisk提示你需要重启才有效.我们可以尝试以下命令防止重启
~$ partprobe -s如果上面的命令没效果,尝试以下命令
partx -v -a /dev/sda此时再用fdisk –l 就可以看到新建的磁盘了
~$ fdisk -l Disk /dev/sda: 10.7 GB, 10737418240 bytes 255 heads, 63 sectors/track, 1305 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 13 104391 83 Linux /dev/sda2 14 391 3036285 8e Linux LVM /dev/sda3 392 1305 7341705 8e Linux LVM
使用LVM扩展分区
创建LVM的物理卷
~$ pvcreate /dev/sda3 Physical volume "/dev/sda3" successfully created查看LVM组名
~$ vgdisplay --- Volume group --- VG Name VolGroup00 ...扩展这个组
~$ vgextend VolGroup00 /dev/sda3 Volume group "VolGroup00" successfully extended通过pvscan命令我们可以看到我们刚添加的未使用的空间
~$ pvscan PV /dev/sda2 VG VolGroup00 lvm2 [2.88 GB / 0 free] PV /dev/sda3 VG VolGroup00 lvm2 [7.00 GB / 7.00 GB free] Total: 2 [9.88 GB] / in use: 2 [9.88 GB] / in no VG: 0 [0 ]增加逻辑卷
~$ lvextend /dev/VolGroup00/LogVol00 /dev/sda3 Extending logical volume LogVol00 to 9.38 GB Logical volume LogVol00 successfully resized最后执行resize2fs调整分区即可
~$ resize2fs /dev/VolGroup00/LogVol00 resize2fs 1.39 (29-May-2006) Filesystem at /dev/VolGroup00/LogVol00 is mounted on /; on-line resizing required Performing an on-line resize of /dev/VolGroup00/LogVol00 to 2457600 (4k) blocks. The filesystem on /dev/VolGroup00/LogVol00 is now 2457600 blocks long.
参考
Increase A VMware Disk Size (VMDK) Formatted As Linux LVM without rebooting