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To: "Thomas Burgess" <wonslung@gmail.com>
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Date: Tue, 29 Dec 2009 11:35:03 +0100
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From: "Ronald Klop" <ronald-freebsd8@klop.yi.org>
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Cc: freebsd-fs@freebsd.org
Subject: Re: ZFS RaidZ2 with 24 drives?
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On Fri, 25 Dec 2009 01:46:30 +0100, Thomas Burgess <wonslung@gmail.com> =20
wrote:

> On Thu, Dec 24, 2009 at 11:53 AM, Ronald Klop
> <ronald-freebsd8@klop.yi.org>wrote:
>
>> Isn't it write caching?
>> My Solaris machine at work also flushes the data every 30 seconds.
>>
>> Ronald.
>>
>> I think you are right.  ZFS does work in bursts...it's very different =
=20
>> than
> what most people expect.  I know it was really  weird to me when i firs=
t =20
> saw
> it.

So increase your load and you will see a steady stream of bytes when all =
=20
the bursts are clustered together. :-)
BTW: it isn't that weird. UFS does the same, but you probably never build=
 =20
a UFS of 24 disks before.

Ronald.