HP P6350 User Manual download pdf (Page 71)

Setting the multipathing policy

You can set the multipathing policy for each LUN or logical drive on the SAN to one of the following:

• Most recently used (MRU)

• Fixed

• Round robin

To change multipathing policy, use the VMware vSphere GUI interface under the Configuration

tab and select Storage. Then select Devices.

Figure 22 Setting multipathing policy

Use the GUI to change policies, or you can use the following commands from the CLI:

ESX 4.x commands

• The # esxcli nmp device setpolicy --device

naa.6001438002a56f220001100000710000 --psp VMW_PSP_MRU command sets

device naa.6001438002a56f220001100000710000 with an MRU multipathing policy.

• The # esxcli nmp device setpolicy --device

naa.6001438002a56f220001100000710000 --psp VMW_PSP_FIXED command sets

device naa.6001438002a56f220001100000710000 with a Fixed multipathing policy.

• The # esxcli nmp device setpolicy --device

naa.6001438002a56f220001100000710000 --psp VMW_PSP_RR command sets

device naa.6001438002a56f220001100000710000 with a RoundRobin multipathing

policy.

NOTE: Each LUN can be accessed through both EVA storage controllers at the same time;

however, each LUN path is optimized through one controller. To optimize performance, if the LUN

multipathing policy is Fixed, all servers must use a path to the same controller.

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HP P6350 User Manual Page 71