Author Archives: Marcelo Leal - Page 14

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OpenSolaris 2008.11 ZFS Performance

A simple test to see how the ZIL code behaves on a configuration where the slog could be a bottleneck... ZPOOL with 12 disks(750gb each) in load share: ZPOOL with 12 disks(750gb each) in load share, plus a 32gb slog: The ZIL code should not avoid write to the slog if the pool ...
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ZFS Internals (part #7)

PLEASE BE AWARE THAT ANY INFORMATION YOU MAY FIND HERE MAY BE INACCURATE, AND COULD INCLUDE TECHNICAL INACCURACIES, TYPOGRAPHICAL ERRORS, AND EVEN SPELLING ERRORS. From the MANUAL page: The zdb command is used by support engineers to diagnose failures and gather statistics. Since the ZFS file ...
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Ubuntu and the kids…

Hello all, hope everyone had a nice christmas! These days i have decided to update the kid's destkop, an ubuntu 7.10 system with many, many customizations, and a lot of games, to the new LTS version (8.04). Well, i was expecting some problems, but no the ones i had... ...
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ZFS Internals (part #6)

PLEASE BE AWARE THAT ANY INFORMATION YOU MAY FIND HERE MAY BE INACCURATE, AND COULD INCLUDE TECHNICAL INACCURACIES, TYPOGRAPHICAL ERRORS, AND EVEN SPELLING ERRORS. From the MANUAL page: The zdb command is used by support engineers to diagnose failures and gather statistics. Since the ZFS file ...
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New design…

I like to to hear the feedback from my blog users, and my last blog theme was inspired on the good comments i have got when i did this post. It's interesting that i got many mails, and talk with some guys at opensolaris irc channel, but no comment on ...
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ZFS Internals

I did receive some good emails about the ZFS Internals Series, thank you! Many of them asking for some kind of aggregation, page or something. I think is a good idea, because if somebody wants to link directly for that kind of subject is easy. So, you can find the ...
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