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Frequent Visitor
Posts: 1
Registered: ‎11-07-2012

MLX Software Ugrade

We are upgrading a Brocade MLX 16 from 5.1 to 5.4d.  We would like to pre-load all the software on the box prior to the maintenance window.  This would include the FPGA/PBIF, etc line card images as well.  Can this be done without affecting service on the box?  We would then do the service affecting reload during our maintenance window.

Frequent Contributor
Posts: 160
Registered: ‎08-07-2009

Re: MLX Software Ugrade

Hi gjohnson,

I would recommend reviewing the 5.4 Multi-Service IronWare Upgrade Guide. (see excerpt below).

One thing to note, as mentioned below is that because of code flash memory considerations, R05.2.0.0

and later software operates using a single copy of each image instead of primary and secondary images.

R05.2.0.0 and later only supports a single (primary) image on each module.

General upgrade considerations
NOTE
The upgrade process for R05.2.00 and later releases is different than releases prior to R05.2.00.
The upgrade instructions documented here must be followed to upgrade a system from a pre-
R05.2.00 release to R05.2.00 or higher. If you need assistance with the upgrade process, please
contact Brocade Support.
The following general considerations apply to upgrades of Multi-Service IronWare software.
NOTE
Before you begin your R05.4.00upgrade, you must clear enough code flash memory for the upgrade
to be successful. Refer to “Important memory information for an R05.4.00 upgrade” on page 6.


Because of code flash memory considerations, R05.2.0.0 and later software operates using a
single copy of each image instead of primary and secondary images.
R05.2.0.0 and later only supports a single (primary) image on each module.


• The combined interface module FPGA image can exceed 32 MB in size, which is greater than
the file size limit in older versions of TFTP server applications. Before you use TFTP to transfer
image files, be sure that you are using an updated TFTP server capable of handling larger file
sizes.


• In most cases boot images do not need to be upgraded, regardless of whether you are using
the combined IronWare image, or are copying images to the management module and
interface modules individually. Do not upgrade boot images unless you are explicitly instructed
to do so in the upgrade instructions for the version you are using.


• Hitless OS upgrades are only supported for upgrades within a major software release. Hitless
OS upgrades are not supported for upgrades from one major release to another major release.
For more information about hitless upgrades, refer to Chapter 5, “Hitless OS Upgrade for all
Supported Devices”.

-Bill

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