Dell Brocade 6520 Command Reference Supporting Fabric OS v7.1.0 - Page 408

2 firmwareDownload NOTES OPERANDS All systems supported by this firmware have two partitions of nonvolatile storage (primary and secondary) to store two firmware images. This command always downloads the new image to the secondary partition and then swaps partitions so the secondary partition becomes the primary. By default, firmwareDownload reboots the system and activates the new image. Finally, the command performs a firmwareCommit automatically to copy the new image to the other partition. In systems with blade processors (BPs), after the new CP firmware is downloaded to the system and activated, the BP firmware is downloaded to the BP processors if there is a mismatch between the BP and CP firmware. By default, firmwareDownload performs a full install, autoreboot, and autocommit. These modes are selectable only in single CP (-s) mode, in which case autoreboot is OFF by default. For each standalone switch in your fabric, complete all firmware download changes before issuing the firmwareDownload command on the next switch to ensure a nondisruptive download. If firmwareDownload is interrupted due to an unexpected reboot as a result of a software error or power failure, the command automatically recovers the corrupted secondary partition. Wait for the recovery to complete before starting another firmware download. Firmware download and subsequent POST failure may occur on some platforms, if the firmware commit operation coincides with the execution of POST. The recommended work around is to disable POST (diagDisablePost) before you initiate a firmware download and re-enable POST (diagEnablePost) after the firmware commit operation has completed. Firmware download procedures may vary depending on which Fabric OS version you are migrating from. See the Fabric OS Administrator's Guide for restrictions on changing Fabric OS versions. On certain occasions, you may see messages in the console output of firmwareDownload. These are internal messages generated by the Linux utilities. You can safely ignore these messages. For relevant Brocade-generated firmware download messages, refer to the Fabric OS Message Reference(SULB module). To correlate Brocade blade names with blade IDs, use the slotShow command. The execution of this command is subject to Virtual Fabric or Admin Domain restrictions that may be in place. Refer to Chapter 1, "Using Fabric OS Commands" and Appendix A, "Command Availability" for details. The following operands are optional. When invoked without operands, the command goes into interactive mode. -U Downloads the firmware from an attached USB device. This option is valid only on platforms that support a USB port. Refer to your specific Hardware Reference Guide for details. The USB device must be enabled prior to firmware download with the usbStorage command. Firmware must be stored under the default firmware directory in the USB file system. On a dual-CP chassis, the USB device must be attached to the active CP. When downloading firmware from a USB device, the -p option is ignored. -s Enables single-CP mode. This mode supports selectively enabling or disabling a full install, autoreboot, and autocommit on bladed and nonbladed systems. On enterprise-class platforms, this mode supports upgrading a single CP. When downloading the main Fabric OS firmware, this option disables autoreboot, unless overridden by the -b option. -b Enables autoreboot mode. When single CP mode is enabled and this operand is not specified, reboot must be run manually to activate the downloaded image. If autoreboot mode is enabled, the switch reboots automatically after the firmware has been downloaded. 380 Fabric OS Command Reference 53-1002746-01