Date: Tue, 16 Oct 2012 16:46:00 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Dustin Wenz" <dustinwenz@ebureau.com>, "Olivier Smedts" <olivier@gid0.org>, "Mark Felder" <feld@feld.me> Cc: freebsd-fs@freebsd.org Subject: Re: Imposing ZFS latency limits Message-ID: <089898A4493042448C934643FD5C3887@multiplay.co.uk> References: <6116A56E-4565-4485-887E-46E3ED231606@ebureau.com> <CABzXLYNaaKtfGf11%2Bm5td0G8kw8KT7TR-7LCHyFdxeKiw5AfxA@mail.gmail.com> <op.wl9vj0os34t2sn@tech304>
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----- Original Message -----
From: "Mark Felder" <feld@feld.me>
> On Tue, 16 Oct 2012 06:25:57 -0500, Olivier Smedts <olivier@gid0.org>
> wrote:
>
>>
>> That would be great - no need for TLER drives. But if you want to
>> "drop" the drive from the bus, that would be a GEOM thing. Don't know
>> if that's possible to implement.
>
> This would be GREATLY appreciated. I've seen this happen on my own ZFS
> boxes as well as on a custom made SAN. It's painful but easy to detect
> when you notice the symptoms...
Interesting, what metrics where you using which made it easy to detect,
work be nice to know your process there Mark?
Regards
Steve
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