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07-29-2011 01:58 PM
07-29-2011 01:58 PM
Firmware Upgrade Best Practices
BL86c's have two ROM's. Rom - A and ROM-B. When you perform an FW upgrade should you up grade both or just one to the newer version and leave the other alone just incase you need to fall back. I'm looking for best practices guidence.
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07-30-2011 04:31 AM
07-30-2011 04:31 AM
Re: Firmware Upgrade Best Practices
The update will be written to the secondary flash, during next boot this becomes active.
During the next update the new version will be written again to the secondary flash and activated during boot and so on ...
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
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08-01-2011 07:30 AM
08-01-2011 07:30 AM
Re: Firmware Upgrade Best Practices
So what your saying is it really doesn't matter. The next time the Blade is booted it will automatically copy the higher version over the lower version?
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08-01-2011 11:48 AM
08-01-2011 11:48 AM
Re: Firmware Upgrade Best Practices
Example:
sysrev before the update:
MP:CM> sysrev
SYSREV
Current firmware revisions
MP FW : F.02.17
BMC FW : 05.21
EFI FW : ROM A 06.20, ROM B 06.20
System FW : ROM A 03.01, ROM B 03.01, Boot ROM A
PDH FW : 50.07
UCIO FW : 03.0b
PRS FW : 00.08 UpSeqRev: 02, DownSeqRev: 01
and after the update (automatically to ROM B):
MP:CM> sysrev
SYSREV
Current firmware revisions
MP FW : F.02.25
BMC FW : 05.25
EFI FW : ROM A 06.20, ROM B 07.14
System FW : ROM A 03.01, ROM B 04.11, Boot ROM B
UCIO FW : 03.0b
PRS FW : 00.08 UpSeqRev: 02, DownSeqRev: 01
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
__________________________________________________
No support by private messages. Please ask the forum!
If you feel this was helpful please click the KUDOS! thumb below!

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08-01-2011 02:20 PM
08-01-2011 02:20 PM
Re: Firmware Upgrade Best Practices
Thank you again for your reply. However, it still does not answer my question. I understand how the process takes, place but I have an Engineer that feels you should only upgrade one ROM, then boot off of that newer version, and keep the other ROM at the older version incase you have to fail back.
Do you agree or should we just go ahead and upgrade both ROM's?
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