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在根分区下建立新的LV请指点不当之处,谢谢!
在/(root)分区下有/dev/vg00,在这上面没有充分利用空间(还有Free PE),从基本信息上看还有Free PE还有1260MB没利用.
#vgdisplay vg00
为了充分利用vg00空间,不方便扩展根分区,所以我采用折衷的办法
建立LV:lvol4.
具体做法如下:
1、建立新的LV
#lvcreate –L 1260 –n lvol4 /dev/vg00
2、扩展文件系统
#umount /dev/vg00/lvol4
#extendfs /dev/vg00/rlvol4
#mount /dev/vg00/lvol4 /aaa
#bdf 验证
因为机器上的应用非常重要24小时运行,而且不能长时间中断,况且又没条件试验。所以请各位指出可能存在的不当与错误之处,谢谢!
基本信息如下:
green3 33: bdf -l
Filesystem kbytes used avail %used Mounted on
/dev/vg00/lvol3 2051553 1053938 792459 57% /
/dev/vg00/lvol1 47829 20578 22468 48% /stand
/dev/vg01/lvol1 17776640 13623521 3976268 77% /ext_disk.5
green3 34: vgdisplay vg00
--- Volume groups ---
VG Name /dev/vg00
VG Write Access read/write
VG Status available
Max LV 255
Cur LV 3
Open LV 3
Max PV 16
Cur PV 1
Act PV 1
Max PE per PV 5120
VGDA 2
PE Size (Mbytes) 4
Total PE 2168
Alloc PE 908
Free PE 1260
Total PVG 0
green3 24: vgdisplay -v vg00
--- Volume groups ---
VG Name /dev/vg00
VG Write Access read/write
VG Status available
Max LV 255
Cur LV 3
Open LV 3
Max PV 16
Cur PV 1
Act PV 1
Max PE per PV 5120
VGDA 2
PE Size (Mbytes) 4
Total PE 2168
Alloc PE 908
Free PE 1260
Total PVG 0
--- Logical volumes ---
LV Name /dev/vg00/lvol3
LV Status available/syncd
LV Size (Mbytes) 2048
Current LE 512
Allocated PE 512
Used PV 1
LV Name /dev/vg00/lvol2
LV Status available/syncd
LV Size (Mbytes) 1536
Current LE 384
Allocated PE 384
Used PV 1
LV Name /dev/vg00/lvol1
LV Status available/syncd
LV Size (Mbytes) 48
Current LE 12
Allocated PE 12
Used PV 1
--- Physical volumes ---
PV Name /dev/dsk/c3t6d0
PV Status available
Total PE 2168
Free PE 1260 |
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