Backbone Firmware Download Process Overview - HP SN3000B Administrator's Manual

Brocade fabric os administrator's guide - supporting fabric os v7.0.1 (53-1002446-01, march 2012)
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Firmware download on a Backbone
the CPs are not in sync, you can run firmwareDownload –s on each of the CPs to upgrade them.
These operations are 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.
During the upgrade process, the Backbone fails over to its standby CP blade and the IP address for
the Backbone 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 CP.

Backbone firmware download process overview

The following summary describes the default behavior of the firmwareDownload command (without
options) on a Backbone. 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.
6. The new standby CP blade (the active CP blade before the failover) downloads firmware.
7.
8. The new active CP blade synchronizes its state with the new standby CP blade.
9. The firmwareCommit command runs automatically on both CP blades.
CAUTION
After you start the process, do not enter any disruptive commands (such as reboot) that interrupt
the process. The entire firmware download and commit process takes approximately 17 minutes.
If there is a problem, wait for the time-out (30 minutes for network problems) before issuing the
firmwareDownload command again. Disrupting the process can render the switch inoperable and
require you to seek help from your switch service provider.
Do not disconnect the switch from power during the process . The switch could be inoperable
when rebooted.
198
The new standby CP blade reboots and comes up with the new Fabric OS.
Fabric OS Administrator's Guide
53-1002446-01

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