Gentoo Archives: gentoo-user

From: Volker Armin Hemmann <volkerarmin@××××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] ZFS
Date: Tue, 17 Sep 2013 19:31:33
Message-Id: 5238ADE9.2010906@googlemail.com
In Reply to: Re: [gentoo-user] ZFS by Tanstaafl
1 Am 17.09.2013 20:11, schrieb Tanstaafl:
2 > On 2013-09-17 2:00 PM, Volker Armin Hemmann
3 > <volkerarmin@××××××××××.com> wrote:
4 >> use ECC ram. Lots of it. 16GB DDR3 1600 ECC ram cost you less than 170€.
5 >> And it is worth it. ZFS showed me just how many silent corruptions can
6 >> happen on a 'stable' system. Errors never seen neither detected thanks
7 >> to using 'standard' ram.
8 >>
9 >> turn off readahead. ZFS' own readahead and the kernel's clash - badly.
10 >> Turn off kernel's readahead for a visible performance boon.
11 >>
12 >> use noop as io-scheduler.
13 >
14 > Is there a good place to read about these kinds of tuning parameters?
15 >
16 >
17 zfsonlinux?
18 google?