HP StorageWorks 8/40 Brocade Fabric OS Administrator's Guide v6.3.0 (53-100133 - Page 222
Firmware download on an enterprise-class platform
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9 Firmware download on an enterprise-class platform This command will cause a warm/non-disruptive boot on the switch,but will require that existing telnet, secure telnet or SSH sessions be restarted. Do you want to continue [Y]: y Firmware is being downloaded to the switch. This step may take up to 30 minutes. Firmware download on an enterprise-class platform You can download firmware to a Brocade 48000, and to a Brocade DCX and DCX-4S enterprise-class platforms without disrupting the overall fabric if the two CP blades are installed and fully synchronized. Use the haShow command to verify that the CPs are synchronized prior to beginning the firmware download process. If only one CP blade is inserted or powered on, you can run firmwareDownload -s to upgrade the CP. If the CPs are not in sync, you can run firmwareDownload -s on each of the CPs to upgrade them. These operations will be disruptive. Or if the CPs are not in sync, run the haSyncStart command. If the problem persists, refer to the Fabric OS Troubleshooting and Diagnostics Guide. If the troubleshooting information fails to help resolve the issue, contact your switch service provider. NOTE This section only applies when upgrading from Fabric OS v6.1.x to v6.2.0, or from different versions of v6.2.0, such as patch releases. If you are downgrading from v6.2.0 to v6.1.x, you must enter the firmwareDownload -s command as described in "Test and restore firmware on switches" on page 188. This is not necessary when downgrading from Fabric OS v6.3.0 to v6.2.0. During the upgrade process, the director fails over to its standby CP blade and the IP address for the enterprise-class platform moves to that CP blade's Ethernet port. This may cause informational ARP address reassignment messages to appear on other switches in the fabric. This is normal behavior, because the association between the IP addresses and MAC addresses has changed. ATTENTION To successfully download firmware, you must have an active Ethernet connection on each of the CPs. Enterprise-class platform firmware download process overview The following summary describes the default behavior of the firmwareDownload command (without options) on a Brocade 48000, a Brocade DCX and DCX-4S enterprise-class platforms. After you enter the firmwareDownload command on the active CP blade the following actions occur: 1. The standby CP blade downloads firmware. 2. The standby CP blade reboots and comes up with the new Fabric OS. 3. The active CP blade synchronizes its state with the standby CP blade. 4. The active CP blade forces a failover and reboots to become the standby CP blade. 5. The new active CP blade synchronizes its state with the new standby CP blade. 180 Fabric OS Administrator's Guide 53-1001336-01