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Certain Solid State Drives (SSD) modules will stop functioning at 40,000 power-on hours (~4.5 years) if firmware is not updated. REVIEW UPGRADE DETAILS HERE
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can't downgrade from m200 4.1 to 4.

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fchen
Beginner
Beginner
‎07-28-2020 09:21 AM
‎07-28-2020 09:21 AM

Just wonder we recently try to add 2 M200 with firmware 4.1.1b, our UCS manager version is 4.0.2d, we got error said cannot donwgrade. I know we can update ucs manager from 4.0 to 4.1, bur wonder we can downgrade 

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Steven Tardy
Cisco Employee
Cisco Employee
‎07-28-2020 10:15 AM
‎07-28-2020 10:15 AM

Did the error specify which firmware could NOT be downgraded?

Not enough detail to know for sure. . .

Most firmware can be downgraded (CIMC, BIOS, NICs, Disk Controllers, etc).

Some firmware can NOT be downgraded (Board Controller) but is fully forward (?or backward) compatible.

Some hardware is ONLY supported on newer firmware (Review UCS 4.0 and 4.1 release notes)

 

If all of the hardware is supported on the older firmware, . . .

then creating a UCS firmware policy to EXCLUDE Board Controller will usually work.

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