304 IBM System Storage N series Hardware GuideThe directory /etc/software hosts installable ONTAP releases (see Figure 21-1). Theinstallation images were copied from a Windows client by using the administrative share\\filer_ip\c$.Figure 21-1 Windows client shareStarting with DOT 8, software images end with .zip and are no longer .exe or .tar files. Thesoftware command must be used to install or upgrade DOT 8 versions. At the time of thiswriting, only DOT 8.1 7-mode was available. Therefore, all tasks were performed by using thissoftware version. When the system reboots, press CTRL+C to access the first boot menu.Use the software command. Complete the following steps:1. Run the software get command to obtain the Data ONTAP code from an http server. Asimple freeware http server is sufficient for smaller environments.2. Run the software list command to verify that the code is downloaded correctly.3. Run the software install command with your selected code level.4. Run the download command.5. Run the reboot command to finalize your upgrade.Upgrade the boot loader of the system by using the update_flash command, as shown inFigure 21-2 on page 305.Requirement: The boot loader must be upgraded. Otherwise, Data ONTAP 8 does notload and the previously installed version continues to boot.Attention: Ensure that all firmware is up to date. If you are experiencing long boot times,you can disable the auto update of disk firmware before you download Data ONTAP byusing the following command:options raid.background_disk_fw_update.enable off
