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Date:      Wed, 03 Aug 2005 12:47:39 -0700
From:      Julian Elischer <julian@elischer.org>
To:        sthaug@nethelp.no
Cc:        freebsd-current@freebsd.org, jeremie@le-hen.org
Subject:   Re: Hot-swap SATA and atacontrol
Message-ID:  <42F11F5B.5080708@elischer.org>
In-Reply-To: <40320.1123057945@bizet.nethelp.no>
References:  <20050803082939.GE45385@obiwan.tataz.chchile.org> <40320.1123057945@bizet.nethelp.no>

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sthaug@nethelp.no wrote:

>>More seriously, I don't see the point in using sync(8) three times
>>consecutively, except that's an indirect method to wait for the disk
>>buffers to be flushed before powering down.  Please, correct me if I'm
>>wrong.
>>    
>>
>
>Also, with softupdates you are *not* necessarily certain that all buffers
>have been flushed after three sync's.
>  
>

Kirk did say a long time ago that he thought 5 syncs might be enough
but I haven't heard him say that for a long time so he may have changed 
his mind :-)

>Steinar Haug, Nethelp consulting, sthaug@nethelp.no
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>  
>



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