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a. From the SCM navigation panel, select Health > Physical View, then select
the Controllers tab. Select each controller and ensure both controllers have
a status of Normal (Online).
b. From the SCM navigation panel, select Configuration > Storage, then select
the Storage Pools tab. Select a storage pool that you plan to use with
VMware, then select Properties from the More Actions list. From the
General tab, note the Primary Controller which displays the preferred path.
All volumes belonging to a storage pool will have the same preferred path
as the storage pool.
2. Now that you have identified the preferred path for your volumes, perform the
following steps to change the multipath setting within VMware.
a. Open the VMware Infrastructure Client.
b. In the left panel, select the host that you want to change.
c. In the right panel, click the Configuration tab.
d. In the Configuration window, click the Properties link next to the Details
field to open the Datastore properties window.
e. Click Manage Paths to open the Manage Paths window.
f. Near the top of the Policy section, click Change to open the Manage Paths -
Selection Policy window.
g. Select Fixed and click OK.
h. Close any windows you opened to return to the main menu. Repeat these
steps for all hosts that you want to have this setting.
3. Configure the volumes within the VMware Operating System (OS)
configuration to properly failover through the VI client.
a. Open the VMware Infrastructure Client.
b. Select the blades with access to the SAS RAID Modules.
c. Under Configuration, select Storage from the side panel and select the
volume to be changed.
d. Click Properties, then select Manage paths.
There are two paths in the Manage Paths window. The lower numbered
path represents controller 0 and the higher numbered path represents
controller 1. If the preferred path is same as indicated by the preferred path
you investigated in step #1 through CLI or SCM, no action is required. If
the preferred path is different from what is indicated in the CLI or SCM
display, proceed to the next step.
e. Select the device path that you want to change then click Change.
f. Under preference, select Preferred and click OK.
Repeat steps 3a through 3f for each of the volumes.
Note: If you change your pool ownership after completing these steps, you may
need to re-modify your VMWare configuration.
Chapter 7. Working with storage pools and volumes
39
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Troubleshooting
