Object Storage

 Question about description of the microcode structure

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Ralf Siekierski's profile image
Ralf Siekierski posted 07-24-2020 13:33

Hello HDS-Folks,

 

I have a request, I need for our technical documentation in our roadmap, a description as exact as possible, for what the 8 digits (xx-xx-xx-xx)are in microcode, or what they mean.

 

Thank for eyerykind of help

best regards

Ralf Siekierski

 


#ObjectStorage
William Jansen Van Nieuwenhuizen's profile image
William Jansen Van Nieuwenhuizen posted 07-27-2020 06:33

Hello

 

I believe the ECN(Engineering Change Notice) that ships with the microcode explains it, if I'm not mistaken.

Gabriel Machado Dos Santos Costa's profile image
Gabriel Machado Dos Santos Costa posted 06-01-2026 15:55

I didn't found a document with this information. ECN just have the description version for each component and Release notes just inform the bug fixes and security. 
However, based on my experience, I interpreted it as follows:
90-09-31-00/20:

  • 90: is the product information for which this mcode is intended, in this case R900 (VSP5x00).
  • 09: Is the Mcode principal Version with the most importante changes like MU interface and new features.
  • 31: Is the most common changes what defines if is a GA, MGA or BMGA version (for example) and have important Fixes and security corrections.
  • 00: Is a release inside the version (31) with punctual fixes identified in the version tests. (when you have an emergencies FIX this number can defines if will be a MGA version)
  • /20: is just a patch with not global fixes (sometimes created for an issue of specific customer) .

Is it no official, but I hope this helps in some way.