Of course, you'd then use this new capability to run DRBD over the network link, using the HBAs both for the local disks and the distributed RAID. Bonus points for implementing DRBD in the firmware itself.
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Turns out target mode on these controllers is already a thing and you don't even need to hack the firmware. Ha.https://github.com/exactassembly/meta-xa-stm …
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this gives me ideas.
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Replying to @whitequark @rqou_
Okay, that repo is a lot more fun than I expected. It includes the *source code* to lsiutil (labeled proprietary yada yada). This tool has a *LOT* of stuff. I'm so glad I stumbled upon this.pic.twitter.com/6EKBOvCdHo
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that's actually surprisingly well-written, and you can even build it for EFI
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Replying to @whitequark @rqou_
I like 44. Program manufacturing information and 33. Erase non-volatile adapter storage. I bet some combination thereof will solve all the pesky crossflashing problems. I have both an IBM M5010 and a Dell PERC... wonder if I can completely rewrite the latter.
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as far as I can tell building this for EFI and enabling expert mode should just naturally allow overriding all VID/PID checks
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ManufacturingPage2 seems to contain the first chunk of what I called the SBR. I wonder if that really is the SBR itself or some kind of mirror in NVRAM (which would explain the complaints from the other tools even after you write SBR).
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"44. Program manufacturing information" seems to write all that stuff. I wonder if it writes just NVRAM or also SBR.
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Oh, and that magic byte that fixed half the ports on my Fujitsu board? It's called HardwareConfig. Surprise.
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