15Management Firmware DownloadsDownloading RAID Controller And NVSRAM PackagesA version number exists for each firmware file. The version number indicates whether the firmware is a major version ora minor version. You can use the Enterprise Management Window (EMW) to download and activate both the majorfirmware versions and the minor firmware versions. You can use the Array Management Window (AMW) to downloadand activate only the minor firmware versions.NOTE: Firmware versions are of the format aa.bb.cc.dd. Where aa is the major firmware version. bb.cc.dd is theminor firmware version. Depending on which one changes, firmware can be updated from EMW and AMW or onlyEMW.You can activate the files immediately or wait until a more convenient time. You may want to activate the firmware orNVSRAM files at a later time because of these reasons:• Time of day — Activating the firmware and the NVSRAM can take a long time, so you can wait until I/O loadsare lighter. The RAID controller modules are offline briefly to load the new firmware.• Type of package — You may want to test the new firmware on one storage array before loading the files ontoother storage arrays.The ability to download both files and activate them later depends on the type of RAID controller module in the storagearray.NOTE: You can use the command line interface to download and activate the firmware to several storage arrays byusing a script. See the online help topics for more information on the command line interface.Downloading Both RAID Controller And NVSRAM FirmwareNOTE: I/O to the array can continue while you are upgrading RAID controller and NVSRAM firmware.NOTE: It is recommended that the firmware and NVSRAM be upgraded during a maintenance period when thearray is not being used for I/O.NOTE: The RAID enclosure must contain at least two disk drives in order to update the firmware on the controller.To download RAID controller and NVSRAM firmware in a single operation:1. If you are using the EMW, go to step 9. If you are using the AMW, go to step 2.2. In the AMW, select Upgrade → RAID Controller Module Firmware → Upgrade.The Download RAID Controller Module Firmware is displayed.NOTE: The RAID Controller Module Firmware area and the NVSRAM area list the current firmware and thecurrent NVSRAM versions respectively.3. To locate the directory in which the file to download resides, click Select File next to the Selected RAID controllermodule firmware file text box.4. In the File Selection area, select the file to download.151
