ioscan 查看硬盘的问题,谢谢!
bash-3.2# ioscan -funCdisk
Class I H/W Path Driver S/W State H/W Type Description
======================================================================
disk 0 0/0/1/1.15.0 sdisk CLAIMED DEVICE HP 73.4GST373453LC
/dev/dsk/c1t15d0 /dev/rdsk/c1t15d0
disk 1 0/0/2/1.15.0 sdisk CLAIMED DEVICE HP 73.4GST373453LC
/dev/dsk/c3t15d0 /dev/rdsk/c3t15d0
bash-3.2#
1> 上面我用ioscan看到有两个盘,但是我用vgdisplay只看到一个盘,是不是说我另外一个盘没有在用了?
--- Physical volumes ---
PV Name /dev/dsk/c1t15d0
PV Status available
Total PE 4374
Free PE 1034
Autoswitch On
2> 另外一个问题是,如果我在安装OS的时候在按F8, 将两个盘做了raid 1的话,是不是用ioscan只能看到一个盘?
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这和PE size有什么关系啊!
--- Volume groups ---
VG Name /dev/vg00
VG Write Access read/write
VG Status available
Max LV 255
Cur LV 8
Open LV 8
Max PV 16
Cur PV 1
Act PV 1
Max PE per PV 4384
VGDA 2
PE Size (Mbytes) 16
Total PE 4374
Alloc PE 3340
Free PE 1034
Total PVG 0
Total Spare PVs 0
Total Spare PVs in use 0
--- Logical volumes ---
LV Name /dev/vg00/lvol1
LV Status available/syncd
LV Size (Mbytes) 304
Current LE 19
Allocated PE 19
Used PV 1
LV Name /dev/vg00/lvol2
LV Status available/syncd
LV Size (Mbytes) 4096
Current LE 256
Allocated PE 256
Used PV 1
LV Name /dev/vg00/lvol3
LV Status available/syncd
LV Size (Mbytes) 2000
Current LE 125
Allocated PE 125
Used PV 1
LV Name /dev/vg00/lvol4
LV Status available/syncd
LV Size (Mbytes) 20000
Current LE 1250
Allocated PE 1250
Used PV 1
LV Name /dev/vg00/lvol5
LV Status available/syncd
LV Size (Mbytes) 2000
Current LE 125
Allocated PE 125
Used PV 1
LV Name /dev/vg00/lvol6
LV Status available/syncd
LV Size (Mbytes) 5008
Current LE 313
Allocated PE 313
Used PV 1
LV Name /dev/vg00/lvol7
LV Status available/syncd
LV Size (Mbytes) 20000
Current LE 1250
Allocated PE 1250
Used PV 1
LV Name /dev/vg00/lvol8
LV Status available/syncd
LV Size (Mbytes) 32
Current LE 2
Allocated PE 2
Used PV 1
--- Physical volumes ---
PV Name /dev/dsk/c1t15d0
PV Status available
Total PE 4374
Free PE 1034
Autoswitch On
不一定是raid1,vgdisplay的信息不全,关键的PE Size看不到。
那照你说的 若是做了硬RAID 1,那在系统里应该就只看到一块盘。。
[ 本帖最后由 guopy007 于 2009-12-22 09:24 编辑 ]
安装OS之前啊,按F×(忘记是F几了),然后选择raid
你是怎么做的RAID 1
???????
谁能回答第二个问题吗? 谢谢!
说明另外一块盘上没创VG。