Not a huge issue if you have (and you should) to redundant fabrics but it can be avoided by moving between versions one at the time. This gives you a way out if the shit hits the fan and you need to restore to a switch you had to reset or so. In the example below I have copied the upgrade files for v8.1.0 to the root directory of the FTP server5 Finally now check that both partitions are running the correct firmware version1 Once the upgrade is running you can check progress using:If you have other switches connected to the switch you are upgrading check for computability in the Brocade Fabric OS Release Notes.Enter the password for the user account you selectedMaking tech simple – 3PAR, Storage, Virtualization and Cloud4 You can view the progress of the update1 Connect to the switch with an admin accountIn case of 4 switches in a fabric, what is the order of upgrading the switches?It should be mentioned here that using Brocade Network Advisor is a MUCH preferred way of doing firmware upgrades.Enter a username with access to the FTP server7 If the switches are in a fabric run the commands below and take a note of the setting. • For questions regarding service levels and response times, contact your OEM/Solution Provider. Each fabric exists out of 1 or more switches. It’s wise to start with one fabric and complete the upgrade there. • Brocade provides backline support for issues that cannot be resolved by the OEM/Solution Provider. You can jump between version more than one version but it will require a reboot that takes the switch out of action.

I reserve disruptive upgrades for green field scenarios or new switches that will be added to the fabric after I’m done upgrading.The WorkingHardInIT blog is a non commercial blog where technical information is shared with the global community. To find out which open source software is included in Brocade products, view the licensing terms applicable to the open source software, and

It pays to go slow with firmware upgrades in an existing environment.Log on to first brocade fabric switch with your username and password over telnet or ssh (I use putty or kitty). Brocade Gen 6 (32-Gbps) Directors • Brocade X6-4 Director • Brocade X6-8 Director Supported upgrade paths The following table gives you details on supported upgrade paths and steps to upgrade through multiple versions of Fabric OS. So that root looks like this. It’s up to your SAN & switch vendors to inform you about support for firmware releases. It also means you should upgrade one fabric at the time and evaluate the effects. It persists what you do and you have to save and activate your zoning configuration anyway when you configure those (cfgsave). For specific Fabric OS builds, refer to the Fabric OS Release Notes for that build of Fabric OS. Dell does this.

Don’t forget to do this for the switches in both fabrics, which normally you have in production!Hit enter, the upgrade process preparation starts. IT takes longer but it’s totally non-disruptive which I consider a good thing in production. Check the current firmware version by entering at the CLI . You will require an FTP server to complete the process.Agreed. I can upgrade firmware from the switch using firmwaredownload and point to BNA server to pull, but cannot push firmware from BNA to Switch/ Error message: The server is inaccessible or firmware path is invalid…Enter the IP address of the FTP serverIf you ran the firmwaredownload without the -s command, that’s it your done.

Verify the upgrade path from within the Brocade Fabric OS Upgrade Guide which you will find in the Brocade document library.

We’ll walk through this as a guide on how to upgrade the firmware on a Brocade fibre channel switch environment.Some non-disruptive upgrade examples:Our upgrade here from 7.4.0a to 7.4.0b is non-disruptive as was the upgrade from to 7.3.0c to 7.4.0a. I tend to put the active firmware under the root and archive older one as they get replaced. Even if you have no functional issues, bugs are getting fixed and perhaps more importantly security issues are addressed as well as browser and Java issues for GUI management. Brocade resources Fabric OS Upgrade Guide 5 53-1003240-01 • OEM/Solution Providers are trained and certified by Brocade to support Brocade ® products. Dell does this.

So in that regards you should be all good to go.Some disruptive upgrade examples (FC ports go down):In order to maintain a secure, well-functioning fibre channel fabric over the years you’ll need to perform a firmware upgrade now and again. For more information, contact Brocade or your OEM. When you keep a continuous ping to the FC switch running during the HA reboot you’ll see a short drop in connectivity.I you move from a single major level/version to the next or upgrade within a single major level/version you can do non-disruptive upgrades with a High Availability (HA) reboot meaning that while the switch reloads it will not impact the data flow, the FC ports stay online.

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