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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 26 Mar 2018
      • Report Tweet
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      Replying to @whitequark

      Here's my little horror story with a less-than-popular LSI card. These things work great once you get the right firmware on them, but getting there can be tricky depending on the model.https://marcan.st/2016/05/crossflashing-the-fujitsu-d2607/ …

      4 replies 4 retweets 17 likes
    2. whitequark‏ @whitequark 26 Mar 2018
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      Replying to @marcan42

      the... the card has a PowerPC CPU on it? (and MRAM? I didn't even know this is deployed in production) has anyone run Linux on it yet

      2 replies 1 retweet 3 likes
    3. R. Ou‏ @rqou_ 26 Mar 2018
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      Replying to @whitequark @marcan42

      Some "server-grade" Ethernet cards have an embedded CPU like that too (I don't remember if it was Intel, Broadcom, or Mellanox)

      1 reply 0 retweets 2 likes
    4. Hector Martin‏ @marcan42 26 Mar 2018
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      Replying to @rqou_ @whitequark

      I mean, you can run Linux on a HDD controller, so... Yeah, why not. http://spritesmods.com/?art=hddhack&page=1 …

      1 reply 0 retweets 3 likes
    5. whitequark‏ @whitequark 26 Mar 2018
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      Replying to @marcan42 @rqou_

      yeah, I know that one, but a SAS controller seems more fun. you know why? you could hack it into a 24 Gbps SASternet card if you could control transceivers

      3 replies 0 retweets 5 likes
    6. R. Ou‏ @rqou_ 26 Mar 2018
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      Replying to @whitequark @marcan42

      You know, "converged network" people usually try and do the opposite :P

      1 reply 0 retweets 0 likes
    7. whitequark‏ @whitequark 26 Mar 2018
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      Replying to @rqou_ @marcan42

      there's a russian proverb that describes this situation perfectly, but, fortunately, it's impossible to translate

      2 replies 0 retweets 6 likes
    8. Hector Martin‏ @marcan42 26 Mar 2018
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      Replying to @whitequark @rqou_

      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.

      1 reply 0 retweets 3 likes
    9. Hector Martin‏ @marcan42 26 Mar 2018
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      Replying to @marcan42 @whitequark @rqou_

      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 …

      1 reply 0 retweets 8 likes
    10. whitequark‏ @whitequark 26 Mar 2018
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      Replying to @marcan42 @rqou_

      this gives me ideas.

      1 reply 0 retweets 2 likes
      Hector Martin‏ @marcan42 26 Mar 2018
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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

      8:06 PM - 26 Mar 2018
      • 3 Likes
      • olddellian whitequark
      1 reply 0 retweets 3 likes
        1. New conversation
        1. whitequark‏ @whitequark 26 Mar 2018
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          Replying to @marcan42 @rqou_

          uhpic.twitter.com/zIuU0bEoob

          2 replies 0 retweets 5 likes
        2. whitequark‏ @whitequark 26 Mar 2018
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          Replying to @whitequark @marcan42 @rqou_

          that's actually surprisingly well-written, and you can even build it for EFI

          1 reply 0 retweets 3 likes
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