HP StorageWorks MSA1510i HP Storage Management Utility user guide (383075-002, - Page 67

Setting the preferred path for a LUN (Preferred Path)

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Setting the preferred path for a LUN (Preferred Path) NOTE: This task is available for dual-controller configurations only. To manually (explicitly) set controller ownership of a LUN: 1. Select an already-configured logical drive from the system component list, and then select the Preferred Path task. 2. Expand the Preferred Path drop-down box and select a controller. IMPORTANT: If the Redundancy Setting mode is set to "Automatic", path ownership may automatically switch from one controller to the other, depending on the processing load, as the system attempts to balance the processing load between the two controllers. To permanently set the path for a LUN, the Redundancy Setting mode must be set to 'Manual". For more information, see "Disabling auto-path switching (Redundancy Settings)" on page 64. Viewing detailed component information (More Information) To view detailed information about a system component, select the desired component, and then select More Information. The following image illustrates sample information displayed for a target. HP Storage Management Utility user guide 67

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Setting the preferred path for a LUN (Preferred Path)
NOTE:
This task is available for dual-controller con
fi
gurations only.
To manually (explicitly) set controller ownership of a LUN:
1.
Select an already-con
fi
gured logical drive from the system component list, and then select the
Preferred Path
task.
2.
Expand the
Preferred Path
drop-down box and select a controller.
IMPORTANT:
If the Redundancy Setting mode is set to “Automatic”, path ownership may automatically switch
from one controller to the other, depending on the processing load, as the system attempts
to balance the processing load between the two controllers. To permanently set the path for
a LUN, the Redundancy Setting mode must be set to ’Manual”. For more information, see
“
Disabling auto-path switching (Redundancy Settings)
” on page 64.
Viewing detailed component information (More Information)
To view detailed information about a system component, select the desired component, and then select
More Information
. The following image illustrates sample information displayed for a target.
HP Storage Management Utility user guide
67