What is the name of Runtime

I just installed vSphere 4.0 and VC 4.0.

I noticed what we call the name of Runtime.

I tried to understand what it means, but without success.

Can someone explain what vmhba2:C0:T3:L0 means?

As rate if I understand well vmhba2 is the adapter host bus at the back of the physical esx server, C0 is the SP on the SAN, T3? and L0 is LUN 0.

Hello.

I noticed what we call the name of Runtime.  I tried to understand what it means, but without success.

Runtime - the name of the first path of the device. The runtime name is created by the host. The name is not a reliable identifier for the device and is not persistent. The runtime name has the following format:

vmhba #: C#: T #: L #, where

vmhba # is the name of the storage card. The name refers to the physical card on the host, not for the SCSI controller that is used by the virtual machines.

C# is the channel number from storage.

T # is the number of target. Numbering of the target is determined by the host and may change if there is a change in the visible targets for host maps. Targets that are shared by different hosts might not have the same target

number.

L # is the number LUNS which shows the position of the LUN in the target. The LUN number is provided by the storage system. If a target has a single logic unit number, the LUN number is always zero (0).

Can someone explain what vmhba2:C0:T3:L0 means?

vmhba2:C0:T3:l0 represents LUN0 on target 3 accessed via adapter vmhba2 storage and channel 0.

All this information is extracted directly from the Guide of Fibre Channel SAN Configuration.

Good luck!

Tags: VMware

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