通过命令工具”vgdisplay -v”查询VG详细信息,包括VG名称,VG中创建的LV数量,LV名称、LV大小、PV名称以及VG、LV、PV状态等信息
这里以vgdata1为例,其输出结果:
xine2[#/]vgdisplay -v vgdata1
--- Volume groups ---
VG Name /dev/vgdata1 #VG名称
VG Write Access read/write
VG Status available, exclusive #VG状态
Max LV 255
Cur LV 1
Open LV 1
Max PV 16
Cur PV 1
Act PV 1
Max PE per PV 4799
VGDA 2
PE Size (Mbytes) 64
Total PE 4799
Alloc PE 4688
Free PE 111
Total PVG 0
Total Spare PVs 0
Total Spare PVs in use 0
--- Logical volumes ---
LV Name /dev/vgdata1/lv_data1 #LV名称,这里仅创建了一个LV
LV Status available/syncd #LV状态
LV Size (Mbytes) 300032 #LV大小,以兆为单位
Current LE 4688
Allocated PE 4688
Used PV 1
--- Physical volumes ---
PV Name /dev/dsk/c16t0d1 #PV名称,该VG仅包含一个PV
PV Status available #PV状态
Total PE 4799
Free PE 111
Autoswitch On
利用 ”ioscan -fnCdisk” 分析主机与EVA3K通信的磁盘设备文件,其输出结果:
# ioscan -fnCdisk
Class I H/W Path Driver S/W State H/W Type Description
===========================================================================
disk 0 0/0/1/1.2.0 sdisk CLAIMED DEVICE HP 73.4GST373453LC
/dev/dsk/c1t2d0 /dev/rdsk/c1t2d0
disk 1 0/0/2/0.2.0 sdisk CLAIMED DEVICE HP 73.4GST373453LC
/dev/dsk/c2t2d0 /dev/rdsk/c2t2d0
disk 2 0/0/2/1.2.0 sdisk CLAIMED DEVICE HP DVD-ROM 305
/dev/dsk/c3t2d0 /dev/rdsk/c3t2d0
disk 10 0/10/0/0.97.24.255.1.3.0 sdisk CLAIMED DEVICE IBM 1722-600
/dev/dsk/c18t3d0 /dev/rdsk/c18t3d0
disk 11 0/12/0/0.97.35.255.1.3.0 sdisk CLAIMED DEVICE IBM 1722-600
/dev/dsk/c19t3d0 /dev/rdsk/c19t3d0
disk 6 255/255/0/0.3 sdisk CLAIMED DEVICE HSV100 HP
/dev/dsk/c12t0d3 /dev/rdsk/c12t0d3
disk 7 255/255/0/0.4 sdisk CLAIMED DEVICE HSV100 HP
/dev/dsk/c12t0d4 /dev/rdsk/c12t0d4
disk 8 255/255/0/0.5 sdisk CLAIMED DEVICE HSV100 HP
/dev/dsk/c12t0d5 /dev/rdsk/c12t0d5
disk 9 255/255/0/0.6 sdisk CLAIMED DEVICE HSV100 HP
/dev/dsk/c12t0d6 /dev/rdsk/c12t0d6
通过上述信息可以确认该主机识别到EVA3K中4个vdisk,其设备文件名分别用黄色标注
利用 “ diskinfo “ 查看c12t0d3和c12t0d6空间,其输出结果:
# diskinfo /dev/rdsk/c12t0d3
SCSI describe of /dev/rdsk/c12t0d3:
vendor: HP
product id: HSV100
type: direct access
size: 62914560 Kbytes
bytes per sector: 512
# diskinfo -v /dev/rdsk/c12t0d6
SCSI describe of /dev/rdsk/c12t0d6:
vendor: HP
product id: HSV100
type: direct access
size: 41943040 Kbytes
bytes per sector: 512
rev level: 3020
blocks per disk: 83886080
ISO version: 0
ECMA version: 0
ANSI version: 2
removable media: no
response format: 2
(Additional inquiry bytes:
通过上述信息可以确认c12t0d3空间容量60GB,c12t0d6空间容量40GB