[mythtv-users] Seagate confirms problems with 1.5TB Barracuda drives

[jedi]

On Wed, Nov 12, 2008 at 09:22:01AM -0800, Yan Seiner wrote:
> 
> On Wed, November 12, 2008 9:09 am, Michael T. Dean wrote:
> > On 11/12/2008 10:13 AM, Kevin Kuphal wrote:
> >> I figured some mythtv users may have these drives in their systems.
> >>
> >> http://techreport.com/discussions.x/15863
> >
> > I actually have one of the affected models ( 9JU138-300 ) with the
> > affected firmware ( SD17 ), but TTBOMK I haven't experienced the issue.
> > Or, at least, I've noticed no signs of experiencing that issue.
> >
> > I am running on a PCI SATA card at 1.5Gbps (150MB/s).  Perhaps that helps?
> >
> > The funny part is that I have another unaffected Seagate 1.5TB (
> > 9JU138-568 with firmware SD35 ) that was causing me unrelated problems.
> > It would fail to initialize on cold boot before the SATA card probed it
> > (100% repeatable), so the SATA card prevented the system from booting.
> >
> 
> Anyone know if this extends to the 1TB drives?  I'm seeing very, very slow
> response times if I hit my RAID5 system hard.  As in, the computer will
> freeze, sometimes for as long as 15 to 20 seconds, with nothing in the

    The bug seemes to be related to cache flushing and a number of people
have reported being able to work around the problem by turning write caching
off. It appears to be a problem with all of the 7200.11 series.

[deletia]