Firmware version 20 does not match driver version 21

[ElGusto]

Hello!

Since a recent update on my FreeNAS 9.10 stable installation I get the following yellow warning:

WARNING: Aug. 4, 2016, 4:11 p.m. - Firmware version 20 does not match driver version 21 for /dev/mps0. Please flash controller to P21 IT firmwa

But the latest firmware available for my LSI 9211-i SAS adapter is P20.

I have seen other threads regarding the problem, but those where all about the testing version, thus leading to them remaining unanswered.

So what would be the best thing to do?
I'm concerned about the integrity of all my data now.
Thank you for help!

 

[dlavigne]

See https://forums.freenas.org/index.php?threads/firmware-version-p21.45130/.