HP 353803-B22 HP StorageWorks 1000 Modular Smart Array installation guide (254 - Page 75

Table 13, Hard drive information, Array LUN information

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IMPORTANT: In multipath configurations: • Verify that both HBAs in each server have been granted access to the storage. • In active/active configurations, manually assign a preferred path (controller ownership) for each LUN. By default, MSA firmware initially assigns ownership of all LUNs to the controller in slot one (front-right) of the MSA. Then, based on access patterns and I/O load, the firmware automatically re-assigns ownership of the LUN between the controllers to balance the load. If your environment controls load balancing from the host, you must manually assign the preferred path for each LUN. Perform these tasks using your chosen configuration utility. Refer to the appropriate user documentation for instructions. Go to Table 13: "Hard drive information" on page 112 and Table 14: "Array (LUN) information" on page 116 to record information about your storage. HP StorageWorks 1000 Modular Smart Array installation guide 75

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HP StorageWorks 1000 Modular Smart Array installation guide
75
IMPORTANT:
In multipath configurations:
•
Verify that both HBAs in each server have been granted access to the storage.
•
In active/active configurations, manually assign a preferred path (controller ownership) for each
LUN. By default, MSA firmware initially assigns ownership of all LUNs to the controller in slot
one (front-right) of the MSA. Then, based on access patterns and I/O load, the firmware
automatically re-assigns ownership of the LUN between the controllers to balance the load. If
your environment controls load balancing from the host, you must manually assign the preferred
path for each LUN.
Perform these tasks using your chosen configuration utility. Refer to the appropriate user
documentation for instructions.
Go to
Table 13
: ”
Hard drive information
” on page112 and
Table 14
: ”
Array (LUN) information
” on
page116 to record information about your storage.