在RedHat下查看wwn是件麻烦事，有的人说用vendor自带的工具查，有的说可以看/proc/scsi/下的某个目录文件，偏偏我遇到的，这些都看不见，虽然使用的是QLogic，但是系统没安装，未经许可也不方便随便安装这些软件，只能另想办法。
查了很多资料，终于知道有个命令systool可以实现
[ tmp]# systool -c fc_host -v
Class = "fc_host"
Class Device = "host13"
Class Device path = "/sys/class/fc_host/host13"
fabric_name = "0xxxxxxxxxxxxx"
issue_lip = <store method only>
node_name = "0xxxxxxxxxxx"
port_id = "0x331400"
port_name = "0xxxxxxxxxxx"
port_state = "Online"
port_type = "NPort (fabric via point-to-point)"
speed = "4 Gbit"
supported_classes = "Class 3"
supported_speeds = "1 Gbit, 2 Gbit, 4 Gbit"
symbolic_name = "QLE2460 FW:v4.04.09 DVR:v8.03.01.04.05.05-k"
system_hostname = ""
tgtid_bind_type = "wwpn (World Wide Port Name)"
uevent = <store method only>
Device = "host13"
Device path = "/sys/devices/pci0000:00/0000:00:0a.0/0000:02:00.0/host13"
ct =
els =
fw_dump =
nvram = "ISP "
optrom_ctl = <store method only>
optrom =
reset = <store method only>
sfp = ""
uevent = <store method only>
vpd = "?0"
Class Device = "host14"
Class Device path = "/sys/class/fc_host/host14"
fabric_name = "0xxxxxxxxxxx"
issue_lip = <store method only>
node_name = "0xxxxxxxxxxx"
port_id = "0x331400"
port_name = "0xxxxxxxxxxx"
port_state = "Online"
port_type = "NPort (fabric via point-to-point)"
speed = "4 Gbit"
supported_classes = "Class 3"
supported_speeds = "1 Gbit, 2 Gbit, 4 Gbit"
symbolic_name = "QLE2460 FW:v4.04.09 DVR:v8.03.01.04.05.05-k"
system_hostname = ""
tgtid_bind_type = "wwpn (World Wide Port Name)"
uevent = <store method only>
Device = "host14"
Device path = "/sys/devices/pci0000:80/0000:80:0b.0/0000:81:00.0/host14"
ct =
els =
fw_dump =
nvram = "ISP "
optrom_ctl = <store method only>
optrom =
reset = <store method only>
sfp = ""
uevent = <store method only>
vpd = "?0"