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本想另开一贴,想想算了
还是写在一起吧
先再举个例子
fcmsutil /dev/fclp2
Vendor ID is = 0x10df
Device ID is = 0xfe00
PCI Sub-system Vendor ID is = 0x103c
PCI Sub-system ID is = 0x7046
Chip version = 2
Firmware Version = 2.70X5 SLI-3 (Z3D2.70X5)
EFI Version = ZE3.21A3
EFI Boot = ENABLED
Driver-Firmware Dump Available = NO
Driver-Firmware Dump Timestamp = N/A
Topology = PTTOPT_FABRIC
Link Speed = 4Gb
Local N_Port_id is = 0x789400
Previous N_Port_id is = None
N_Port Node World Wide Name = 0x5001438002a2b3df
N_Port Port World Wide Name = 0x5001438002a2b3de
Switch Port World Wide Name = 0x209400051e3627aa
Switch Node World Wide Name = 0x100000051e3627aa
Driver state = ONLINE
Hardware Path is = 1/0/12/0/0/0/0
Maximum Frame Size = 2048
Driver Version = @(#) FCLP: PCIe Fibre Channel driver (FibrChanl-02), B.11.31.0903, Dec 12 2008, FCLP_IFC (3,2)
Local N_Port_id is = 0x789400这里的0x表示是16进制,78表示这个hba卡连接的san switch的domain id,换算为16进制是120,表示连接的domain id是120的交换机,94表示端口148
#[/]ioscan -m hwpath
Lun H/W Path Lunpath H/W Path Legacy H/W Path
====================================================================
64000/0xfa00/0x18
0/0/12/0/0/0/0.0x50060e80047f3168.0x4001000000000000 0/0/12/0/0/0/0.120.220.0.0.0.1
0/0/14/0/0/0/0.0x50060e80047f3178.0x4001000000000000 0/0/14/0/0/0/0.110.220.0.0.0.1
1/0/12/0/0/0/0.0x50060e80047f3168.0x4001000000000000 1/0/12/0/0/0/0.120.220.0.0.0.1
1/0/14/0/0/0/0.0x50060e80047f3178.0x4001000000000000 1/0/14/0/0/0/0.110.220.0.0.0.1
我们可以看到这个disk,他有4条路径,分别通过4个hba,hba卡和存储端口是2对1,即2个hba卡对一个存储端口,
0/0/12/0/0/0/0表示hba卡的硬件地址,
0x50060e80047f3178表示存储端口的wwn号,hba卡1和3都对应存储同一个的端口,
0x4001000000000000中1表示这个lun的lunid是1,
0/0/12/0/0/0/0.120.220.0.0.0.1中120表示存储连接的san switch的domain id,这里可以看出主机和存储连接的同一个交换机,
如果是这个domain id和刚才fcmsutil所有的hba卡看到的domain id都不一样,表示可能存储和主机连接的是不同的交换机,
然后交换机之间级联来做san的通信。从这里可以看出,这个lun是从存储的2个端口出来,分别连接110和120 san switch的220端口
最后的1也是表示lunid,逢8进1 |
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