From owner-freebsd-current  Sun Dec  9 21:59:13 2001
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Date: Sun, 9 Dec 2001 21:59:02 -0800 (PST)
From: Matthew Dillon <dillon@apollo.backplane.com>
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To: Terry Lambert <tlambert2@mindspring.com>
Cc: Greg Lehey <grog@FreeBSD.ORG>,
	"Daniel O'Connor" <doconnor@gsoft.com.au>, sthaug@nethelp.no,
	freebsd-current@FreeBSD.ORG, j@uriah.heep.sax.de,
	joerg_wunsch@uriah.heep.sax.de
Subject: Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern 
 subr_diskmbr.c)
References: <44735.1007899299@verdi.nethelp.no> <XFMail.20011209225258.doconnor@gsoft.com.au> <20011210105025.H83634@monorchid.lemis.com> <3C142200.1746FFA2@mindspring.com> <20011210143936.F63585@monorchid.lemis.com> <3C144836.5217C971@mindspring.com>
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X-Loop: FreeBSD.ORG

    On google search for:

	deskstar 75gxp class action

    http://www.theregister.co.uk/content/54/22412.html
    http://www.pcworld.com/news/article/0,aid,67608,00.asp

    etc...  So apparently my warning about these drives in 'man tuning' is
    still appropriate :-)

					-Matt

:> > IBM DTLA drives are known to rotate fast enough near the spindle
:> > that the sustained write speed exceeds the ability of the controller
:> > electronics to keep up, and results in crap being written to disk.
:> 
:> What about the cache?
:
:Good point.  The cache is known to not actually flush to disk when
:ordered to do so.  See the EXT3FS article on www.ibm.com/developerworks
:for more details.
:
:> > This is not often a problem with windows, the FS of shich fills
:> > sectors in towards the spindle, so you only hit the problem when you
:> > near the "disk full" state.
:> 
:> This sounds very unlikely.
:
:I know, doesn't it?  Good thing Tom's Hardware is so thorough, or we
:might never have known this, with everyone on the verge of discovering
:it simply dismissing it as "very unlikely".  8^).
:...


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