我按照网上的教程操作了,实现了如下
udev 995600 0 995600 0% /dev
tmpfs 203048 6512 196536 4% /run
/dev/sda1 21542460 20152412 272712 99% /
tmpfs 1015224 256 1014968 1% /dev/shm
tmpfs 5120 4 5116 1% /run/lock
tmpfs 1015224 0 1015224 0% /sys/fs/cgroup
/dev/sda4 77406888 53012 73421720 1% /disk
tmpfs 203048 4 203044 1% /run/user/108
tmpfs 203048 44 203004 1% /run/user/1000
/dev/sda4是我新增加的硬盘。有75个g,但是所有的操作还是在/dev/sda1下进行的,导致增加没什么用!是不是还要进行硬盘切换什么操作啊???linux菜鸟,qiuzhu
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3. è¿è¡fdisk /dev/sdaåè¾å ¥Pæ¥çååºç»æå¦ä¸ãå¯è§æ»å ±æ1566个cylinderï¼ä½æåä¸ä¸ªååºåªæ¯å°1044å°±ç»æäºãè¿è¯´æåé¢è¿æ硬ç空é´ã
Disk /dev/sda: 12.8 GB, 12884901888 bytes
255 heads, 63 sectors/track, 1566 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 1044 8281507+ 8e Linux LVM
4. è¾å ¥nå建æ°çæ©å±ååºï¼éæ©eå建æ©å±ååºãæ°çååºè¡¨å¦ä¸ã确认æ 误åè¾å ¥wå·²ä¿åçæã
å¦æLinuxç³»ç»ç£ç空é´éç¨LVM管ççï¼å¨ååºçæ¶åè¦éæ©ä¸ºprimary partitionï¼ç¶å使ç¨tå½ä»¤å°ååºç±»å转æ¢ä¸ºLVMç±»åï¼å³â8eâï¼ç¶åWã
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[root@bogon ~]# fdisk -l
Disk /dev/sda: 12.8 GB, 12884901888 bytes
255 heads, 63 sectors/track, 1566 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 1044 8281507+ 8e Linux LVM
/dev/sda3 1045 1566 4192965 8e Linux LVM
[root@bogon ~]# pvcreate /dev/sda3
Physical volume"/dev/sda3" successfully created
[root@bogon ~]#
2. æ¥çå·ä¿¡æ¯ï¼å¹¶å°æ°æ©å±çååºå å ¥å·ç»ï¼
[root@bogon ~]# pvscan
PV /dev/sda2 VG VolGroup00 lvm2 [7.88 GB / 0 free]
PV /dev/sda3 lvm2 [4.00 GB]
Total: 2 [11.87 GB] / inuse: 1 [7.88 GB] / in no VG: 1 [4.00 GB]
[root@bogon ~]# vgextend VolGroup00 /dev/sda3
Volume group"VolGroup00" successfully extended
3. ç¨vgdisplay LogVol00 ççè¿å©ä½å¤å°ç©ºé´ï¼ç freeé£ä¸ªé项
1. ç°å¨ä¸ºLogVol00é»è¾å·å¢å åææ们æ°å å ¥ç空é´
[root@bogon ~]# lvextend -L +3.9G /dev/VolGroup00/LogVol00
Rounding up size to fullphysical extent 3.91 GB
Extending logical volumeLogVol00 to 9.81 GB
Logical volume LogVol00successfully resized
[root@bogon ~]#
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[root@bogon ~]# resize2fs -p /dev/VolGroup00/LogVol00
resize2fs 1.39 (29-May-2006)
Filesystem at /dev/VolGroup00/LogVol00 is mounted on /; on-lineresizing required
Performing an on-line resize of /dev/VolGroup00/LogVol00 to 2572288(4k) blocks.
The filesystem on /dev/VolGroup00/LogVol00 is now 2572288 blockslong.
[root@bogon ~]# df -h
æä»¶ç³»ç» å®¹é å·²ç¨å¯ç¨ å·²ç¨% æè½½ç¹
/dev/mapper/VolGroup00-LogVol00
9.6G 5.1G 4.0G 56% /
/dev/sda1 99M 26M 68M 28% /boot
tmpfs 1006M 0 1006M 0% /dev/shm
[root@bogon ~]#