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Message-ID: <5238ADE9.2010906@googlemail.com>
Date: Tue, 17 Sep 2013 21:30:49 +0200
From: Volker Armin Hemmann <volkerarmin@googlemail.com>
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Subject: Re: [gentoo-user] ZFS
References: <CAN0CFw1nGVZxJGGsq4TZidEPuyLDkcD0oYRDOOfNzFFM2vQ-tg@mail.gmail.com> <523898A3.7000404@googlemail.com> <52389B55.6090600@libertytrek.org>
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Am 17.09.2013 20:11, schrieb Tanstaafl:
> On 2013-09-17 2:00 PM, Volker Armin Hemmann
> <volkerarmin@googlemail.com> wrote:
>> use ECC ram. Lots of it. 16GB DDR3 1600 ECC ram cost you less than 170€.
>> And it is worth it. ZFS showed me just how many silent corruptions can
>> happen on a 'stable' system. Errors never seen neither detected thanks
>> to using 'standard' ram.
>>
>> turn off readahead. ZFS' own readahead and the kernel's clash - badly.
>> Turn off kernel's readahead for a visible performance boon.
>>
>> use noop as io-scheduler.
>
> Is there a good place to read about these kinds of tuning parameters?
>
>
zfsonlinux?
google?