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Date: Tue, 17 Sep 2013 21:12:59 -0700
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Subject: Re: [gentoo-user] ZFS
From: Grant <emailgrant@gmail.com>
To: Gentoo mailing list <gentoo-user@lists.gentoo.org>
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>> Besides performance, are there any drawbacks to ZFS compared to ext4?
>>
> do yourself three favours:
>
> use ECC ram. Lots of it. 16GB DDR3 1600 ECC ram cost you less than 170=80=
.
> 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.

Thank you, I'm taking notes.  Please feel free to toss out any more tips.

- Grant