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96107 Fourth Edition 7

StorageTek Proprietary

Storage System Configuration

The above activities need to be done prior to going to the next section.

■ Storage System Configuration

Refer to (for example) chapter one of the BladeStore Storage Manager

Installation Guide P/N 96098 for doing the various storage management

steps. Upgrade information will be added to the CRC or engineering web

pages to provide assistance.

The following is preconfiguration information for a new installation. Information

for an existing storage system is provided on page 9.

Note: For all installations/upgrades where software components are being

changed, the following procedures must be done prior to any software

modifications. This is to ensure a clean removal/install of software

components, which may fail if devices are being accessed or viewed.

- stop access to storage devices

- removal of devices on the AIX host (not the storage array)

- disconnection of cables, as appropriate

Preconfiguring storage systems on new installations

The user needs to determine whether or not they are going to use failover.

There are separate NVSRAM host selections for enabled and disabled

failover. The differences are that in the non-failover NVS host setting, the

unowned LUNs are only presented from the owning controller. The failover

setting presents all LUNs down both paths, and depends on the HBA failover

driver to determine the path presented to the O/S.

The standard method of preconfiguring the storage system should be followed

prior to attaching to the host. Make sure that the FC cables are NOT

connected to the HBAs. This is to ensure that no disks are visible until the

entire software configuration is completed. When the software configuration

procedure is completed, then the cables will be connected and devices

scanned for with the cfgmgr command.

1. Run the following commands.

rmdev -Rdl fcs0

rmdev -Rdl fcs1

Make sure that all devices were removed and no error messages exist

about devices being busy or accessed. If there are errors, disconnect

cables and reboot.

2. Disconnect the FC cables from the HBAs.

3. Using SMclient 8.4x on the AIX host or any attached management station

with SM 8.4x or higher attached to the ethernet ports, download the correct

type and latest version of firmware and NVSRAM (if needed) to both

controllers. Download the firmware first, followed by the NVSRAM.

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Cambex AIX Guide d'installation Page 13