Dell PS4100 Technical Information download pdf (Page 21)

June 2012 Dell EqualLogic Configuration Guide v13.2 15

Figure 9 4110/6110 Vertical Port Failover Scenario

2.3.9 Controller Firmware

Each EqualLogic PS Series array runs a core operating system in firmware that provides all of the PS

Series features and functionality. The firmware version is defined using a version number and will be

updated from time to time as new features are added or for general maintenance improvements.

The firmware version number takes the following form: "

X.Y.Z

• "

" is used to identify the "major" release number. This changes when there are very significant

changes in the features and functionality.

•

" is the "minor" release number. This changes as new minor features or improvements in

existing features are made for a given major release.

• "

" denotes maintenance releases. This changes whenever a maintenance release level is

released to resolve any identified technical or usability issues.

2.3.9.1 Firmware Upgrade

Before beginning a firmware upgrade process, you must review the Release Notes for the firmware

update revision. The release notes will be included with the firmware update kit. All firmware update

kits are available at http://www.equallogic.com/support/

(Support ID required for login access). The

release notes contain the latest information and guidelines for:

• Completing the upgrade with minimal potential for service disruption

• Operating system and iSCSI initiator configuration settings that will minimize potential for I/O

disruption during the upgrade process

• Latest updates to the supported firmware upgrade paths

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Dell PS4100 Technical Information Page 21