IBM DS4000 EXP810 Installation, User's, And Maintenance Manual page 172

Storage expansion enclosure
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EXP710s or DS4300 storage subsystem configuration with installed fibre channel
drives in its internal drive slots, perform the following steps to upgrade the controller
firmware to support EXP810s.
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IBM System Storage DS4000 EXP810 Storage Expansion Enclosure: Installation, User's and Maintenance Guide
1. If this DS4000 storage subsystem is part of an existing configuration with
EXP700s, the EXP700s must be removed from the configuration. After the
controller firmware upgrade, these enclosures will not be recognized by the
controllers. Perform the appropriate steps to back up the data from the
EXP700s before you remove them from the DS4000 configuration.
Note: You can also purchase a DS4000 EXP700 Models 1RU-1RX
Switched-ESM Option Upgrade Kit to upgrade the EXP700 to EXP710.
If this DS4000 subsystem is DS4800 with EXP100s, the EXP100s must
be removed from the configuration. After the controller firmware
upgrade, these enclosures will not be recognized by the controllers.
Perform the appropriate steps to back up the data from the EXP100s
before you remove them from the DS4800 configuration.
2. Install DS Storage Manager client software version 9.23 in the management
station. Refer to the DS Storage Manager Version 9 Installation and Support
Guide for your operating system for more information on this upgrade
procedure and any system requirements.
3. Do not make any fibre channel connections between the EXP810s and the
DS4000 configuration. Power on the DS4000 configuration by:
a. Powering on all of the EXP710 storage expansion enclosures.
b. Powering on the DS4000 storage subsystem after verifying that the
EXP710s are powered on and do not have any Bypass LEDs lit (on the
EXP710 ports that are used for EXP710 interconnection).
Wait at least five minutes for the DS4000 storage subsystem boot process to
complete.
Attention:
This upgrade procedure requires that the DS4000 storage
subsystem and its attached EXP710 storage expansion enclosures are
powered up and running optimally.
4. Open a DS4000 Storage Manger Client Enterprise Management window to
manage the DS4000 storage subsystem for which you are upgrading the
firmware. You can make either in-band or out-of-band management
connections to the controller. IBM recommends making out-of-band
management connections.
Refer to the DS Storage Manager Version 9 Installation and Support Guide for
your operating system for more information on this upgrade procedure and any
system requirements.
5. In the Enterprise Management window, right click the DS4000 name and select
Manage Device to open the Subsystem Management window.
6. In the Subsystem Management window, verify that the subsystem is in optimal
state. Perform appropriate recovery procedure to get the subsystem into
optimal state before proceeding to the next step.
7. In the Subsystem Management window, click Advanced → Maintenance →
Download → Controller NVSRAM to load the NVSRAM file to controller B.
The NVSRAM Download window opens.
8. Select the directory that contains the NVSRAM file, then select the name of
the NVSRAM file. Click OK to close the window and continue.
The NVSRAM files are located in the appropriate DS4000 storage subsystem
directory in the \NVSRAM directory of the Web downloaded DS4000 Storage

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