HP AD510A HP StorageWorks 1500 Modular Smart Array Installation Guide (355901- - Page 86

Configuring the storage, Entering Selective Storage Presentation options also called Access Control

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Configuration Procedures - HP-UX Environments Configuring the storage Thorough planning is critical to the successful and efficient deployment of any storage array system. As discussed in Chapter 1: "Installation Procedures All Deployments" on page 15, plans should include decisions about total system capacity, fault-tolerance levels (availability), and performance. Although detailed in the ACU and the CLI user guides, basic configuration tasks include (in the following sequence): ■ Creating the arrays (LUNs). ■ Entering controller settings, such as setting the read/write cache ratio, setting the rebuild/expand priority, and setting the redundancy level. ■ Identifying the operating system type (also called Host Mode, Access Mode, Profile, or Connection Profile) of each HBA with access to the MSA. This ensures that the MSA will communicate properly with that host. ■ Verifying that each HBA with access to the MSA is visible to the MSA. ■ Entering Selective Storage Presentation options (also called Access Control Lists) to isolate the storage from unauthorized access. These settings indicate, by HBA, which LUNs the HBA can access. Important: In multi-path 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 114 and Table 14: "Array (LUN) Information" on page 118 to record information about your storage. 86 HP StorageWorks 1500 Modular Smart Array Installation Guide

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Configuration Procedures - HP-UX Environments
86
HP StorageWorks 1500 Modular Smart Array Installation Guide
Configuring the storage
Thorough planning is critical to the successful and efficient deployment of any
storage array system. As discussed in Chapter 1:
“Installation Procedures -
All Deployments
” on page 15, plans should include decisions about total system
capacity, fault-tolerance levels (availability), and performance.
Although detailed in the ACU and the CLI user guides, basic configuration tasks
include (in the following sequence):
■
Creating the arrays (LUNs).
■
Entering controller settings, such as setting the read/write cache ratio, setting
the rebuild/expand priority, and setting the redundancy level.
■
Identifying the operating system type (also called Host Mode, Access Mode,
Profile, or Connection Profile) of each HBA with access to the MSA. This
ensures that the MSA will communicate properly with that host.
■
Verifying that each HBA with access to the MSA is visible to the MSA.
■
Entering Selective Storage Presentation options (also called Access Control
Lists) to isolate the storage from unauthorized access. These settings indicate,
by HBA, which LUNs the HBA can access.
Important:
In multi-path 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 114 and
Table 14
: “
Array
(LUN) Information” on page 118
to record information about your storage.