|
我用虚拟机装fedora 10,开始设定硬盘大小为8G,后来不够用,用VMware增加了一块8G的盘。
在fedora下用LVM命令将其与原有8g盘加在同一组(group)同一逻辑卷(logvol)中,问题是:
我在加入前没有将新的盘格式化,增加前和增加后用df命令看,硬盘空闲空间没有变化,我怀疑是否系统没认第二块盘。
是不是由于新盘没有格式化的原因?下面是lvdisplay的结果,显示/dev/VolGroup00/Logvol00的空间确实增加到了
14.22G。
--- Logical volume ---
LV Name /dev/VolGroup00/LogVol00
VG Name VolGroup00
LV UUID M4ppVq-5VJd-BuR1-yYEN-3kLt-p275-uSQme8
LV Write Access read/write
LV Status available
# open 1
LV Size 14.22 GB
Current LE 455
Segments 2
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0
--- Logical volume ---
LV Name /dev/VolGroup00/LogVol01
VG Name VolGroup00
LV UUID teuaxO-NzV0-84nN-8v6k-W5mM-5Rwh-LTnBF3
LV Write Access read/write
LV Status available
# open 1
LV Size 1.50 GB
Current LE 48
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:1
下面是pvdisplay的结果:
--- Physical volume ---
PV Name /dev/sda2
VG Name VolGroup00
PV Size 7.81 GB / not usable 25.28 MB
Allocatable yes
PE Size (KByte) 32768
Total PE 249
Free PE 1
Allocated PE 248
PV UUID 6iIjFJ-n4wm-5cD1-fAsd-528B-V3pr-9vgiXu
--- Physical volume ---
PV Name /dev/sdb1
VG Name VolGroup00
PV Size 8.00 GB / not usable 29.38 MB
Allocatable yes (but full)
PE Size (KByte) 32768
Total PE 255
Free PE 0
Allocated PE 255
PV UUID hP3MRq-NkCM-BMv7-X3gq-QGBe-qO0D-YmoQmJ
请看第二块盘/dev/sdb1的Free Pe是0,新盘还没用怎么空间就为0了呢?
下面是df命令的结果:
文件系统 1K-块 已用 可用 已用% 挂载点
/dev/mapper/VolGroup00-LogVol00 6450728 5074336 1048712 83% /
/dev/sda1 194442 20732 163671 12% /boot
tmpfs 386796 76 386720 1% /dev/shm
可以看出/dev/mapper/volgroup00-logvol00的利用率在83%,可是我至少有8G的空间是空的。
想把增加的盘卸下来重新格式化试试,但没法卸了。
下面是用pvremove -ff /dev/sdb1的结果:
Really WIPE LABELS from physical volume "/dev/sdb1" of volume group "VolGroup00" [y/n]? y
WARNING: Wiping physical volume label from /dev/sdb1 of volume group "VolGroup00"
Can't open /dev/sdb1 exclusively - not removing. Mounted filesystem?
这块盘拿不出来了,怎么办?兄弟是LINUX新手,请各位高手指点。 |
|