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Message-ID: <alpine.DEB.2.00.1002171317080.4721@asgard.lang.hm>
Date:	Wed, 17 Feb 2010 13:17:43 -0800 (PST)
From:	david@...g.hm
To:	Nick Bowler <nbowler@...iptictech.com>
cc:	Volker Armin Hemmann <volkerarmin@...glemail.com>,
	Kyle Moffett <kyle@...fetthome.net>,
	Rudy Zijlstra <rudy@...mpydevil.homelinux.org>,
	Neil Brown <neilb@...e.de>,
	"Mr. James W. Laferriere" <babydr@...y-dragons.com>,
	Bill Davidsen <davidsen@....com>,
	Michael Evans <mjevans1983@...il.com>,
	linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org
Subject: Re: Linux mdadm superblock question.

On Wed, 17 Feb 2010, Nick Bowler wrote:

> On 10:41 Wed 17 Feb     , david@...g.hm wrote:
>> On Wed, 17 Feb 2010, Nick Bowler wrote:
>>> It takes about half a second for mdadm to assemble my root array, is
>>> that what you're referring to?
>>>
>>> I assume that kernel auto-assembly is no faster, although I've never
>>> used it.  Regardless, half a second isn't very long to wait.
>>
>> If you are aiming for a 5-second boot time it's 10% of your total boot
>> time. That's a lot for a feature that's not needed.
>
> Only if the kernel auto-assembly takes zero time, which it obviously
> does not.

the assembly time would probably be the same, but the initramfs being 
proposed did not include that time either.

David Lang
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