Specifications

Administration Guide
274 VMware, Inc.
Viewing the Current Multipathing State
You!can!view!your!current!multipathing!configuration!with!the!vmkmultipath -q!
command.!The!-q!option!displays!the!state!of!all!or!selected!paths!recognized!by!ESX!
Server.!The!report!displayed!by!vmkmultipath!shows!the!current!multipathing!policy!
for!a!disk!and!the!connection!state!and!mode!for!each!path!to!the!disk.
The!report!identifies!disks!by!their!canonical!name.!The!canonical!name!for!a!disk!is!the!
first!path!ESX!Server!finds!to!the!disk.!Because!ESX!Server!begins!its!scans!at!the!first!
controller!and!the!lowest!device!number,!the!first!path!(and!the!canonical!name!of!the!
disk)!is!the
!path!with!the!lowest!number!controller!and!device!number.!For!example,!if!
the!paths!to!a!disk!are!vmhba0:0:2,!vmhba1:0:2,!vmhba0:1:2!and!vmhba1:1:2,!the!
canonical!name!of!the!disk!is!vmhba0:0:2.
To!see!a!report!for!all!disks,!type:
# vmkmultipath -q
Below!is!a!typical!report!displayed!for!a!configuration!of!
ESX!Server!managing!a!SAN.
Disk and multipath information follows:
Disk vmhba0:0:1 (34,326 MB) has 6 paths. Policy is fixed.
vmhba0:0:1 on (active, preferred)
vmhba0:1:1 on
vmhba0:2:1 on
vmhba1:0:1 on
vmhba1:1:1 on
vmhba1:2:1 on
Disk vmhba0:0:2 (100,319 MB) has 6 paths. Policy is fixed.
vmhba0:0:2 on (active, preferred)
vmhba0:1:2 on
vmhba0:2:2 on
vmhba1:0:2 on
vmhba1:1:2 on
vmhba1:2:2 on
Disk vmhba0:0:4 (0 MB) has 6 paths. Policy is fixed.
vmhba0:0:4 on (active, preferred)
vmhba0:1:4 on
vmhba0:2:4 on
vmhba1:0:4 on
vmhba1:1:4 on
vmhba1:2:4 on
Disk vmhba0:0:6 (0 MB) has 6 paths. Policy is fixed.
vmhba0:0:6 on (active, preferred)
vmhba0:1:6 on
vmhba0:2:6 on