RE: Re: Windows Home Server performance - very slow.. any ideas?

["Phil Harris" <phil@xxxxxxxxxxx>]

That's my thread. ;-)

Phil

> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> Of Paul
> Sent: 07 December 2009 21:03
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] Re: Windows Home Server performance - very slow..
any
> ideas?
>
> This looks like quite a good thread to follow
> http://forum.wegotserved.com/index.php?/topic/8335-demigrator-exe-
> again/ Have you proved it is demigrator causing the issue, i.e. if you
> kill the process do you get better performance?
>
> Paul
>
> --- In ukha_d@xxxxxxx, "keyvan2r" <k1@...> wrote:
> >
> > Thanks for the post Phil.
> > The choking is all to do with disk access, its very rare that cpu
use
> monitore on task manager or performance console runs high. The
> indicators which are maxing out are all to do physical disk access
seem
> to be ones which run to their maximum.
> > I looked at Drive Extender Migrator (demigrator) and the MS tech
> brief on WHS Drive extender which covers load-balancing and
> duplication.
> > There does not seem to be that much one can do about it!!!
> > you can't unistall demigrator becuase then whs won't see the
extended
> volume. I can't imagine how I would go about testing what h/w
> combination is the problem short of building another machine!
> > All in all, its seems to be hopeless!!
> > Thanks anyway, will look for more things to try before I go back 
to
> the drawing board.
> >
> > --- In ukha_d@xxxxxxx, "Phil Harris" <phil@>
wrote:
> > >
> > > Demigrator.exe I mean...
> > >
> > > Google it and you'll see it's an issue that others have
had...
> > >
> > > Phil
> > >
> > > > -----Original Message-----
> > > > From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On
> Behalf
> > > > Of Phil Harris
> > > > Sent: 07 December 2009 19:14
> > > > To: ukha_d@xxxxxxx
> > > > Subject: RE: [ukha_d] Windows Home Server performance -
very
> slow.. any
> > > > ideas?
> > > >
> > > > Check task manager for what's taking up CPU time when
it does
> that -
> > > > you may
> > > > well find that it's hitting something called
"Demingrator.exe"
> ... if
> > > > it is
> > > > then it seems that some hardware combinations are prone
to
> Demigrator
> > > > taking
> > > > a hell of a toll whereas other hardware (which may be
far less
> > > > powerful)
> > > > doesn't seem so affected.
> > > >
> > > > Phil
> > > >
> > > > > -----Original Message-----
> > > > > From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On
> > > > Behalf
> > > > > Of keyvan2r
> > > > > Sent: 07 December 2009 18:18
> > > > > To: ukha_d@xxxxxxx
> > > > > Subject: [ukha_d] Windows Home Server performance
- very slow..
> any
> > > > > ideas?
> > > > >
> > > > > Hi All
> > > > >
> > > > > I moved my DVDs and Blu-rays from my old Buffalo
3.5Tb NAS box
> to a
> > > > > self-build WHS box. I am using a fairly high
performance MB
> (ASUS),
> > > > cpu
> > > > > (E4600) with 6gb of ram. I have currently 4 hd's
connected via
> the MB
> > > > > sata ports. these consist of 2xWD 1.5tb and 2x
Hitachi 2Tb
> drives.
> > > > This
> > > > > shows up as 6.37tb with 3.15tb free after I copied
my movies &
> music.
> > > > > I am getting really really sluggish performance
from this
> setup.
> > > > > I know (think)its all related to physical disk
I/O. The
> performance
> > > > is
> > > > > so bad that it virtually makes it useless for
streaming DVD or
> blu-
> > > > ray
> > > > > movies. In fact on most occasions it takes the
best part of 1
> to 2
> > > > > minutes to either run WHS console or RDP into the
server.
> Sometimes
> > > > it
> > > > > times out...Also opening things like explorer or
even double
> clicking
> > > > > shortcuts takes ages to respond.
> > > > > When running the performance monitor (from server
admin tools)
> it
> > > > looks
> > > > > like when any of the shares are being accessed by
client pc's
> all
> > > > > physical disk activity indicators go to full /
100% usaged. The
> cpu
> > > > > load remains ok (between 3% to 20%) but all
indicators such as:
> > > > > current disk queue length
> > > > > avg disk queue length
> > > > > avg disk write queue length
> > > > > avg disk read queue length
> > > > > These all go to 100% or full usage every 2 or 3
seconds during
> any
> > > > form
> > > > > of disk access.
> > > > > Is this normal?? If so then it seems WHS is not
that good for
> large
> > > > > disk managment. I am sure this can not be the
case.
> > > > > Is there any way I can improve disk performance.
Is there
> anywhere
> > > > were
> > > > > settings can be altered to sort this problem?
> > > > > Is there anyone else with this issue with similar
type of HD
> > > > capacity?
> > > > > I have looked on a few forums for WHS and no joy
so far.
> > > > > Any help, advice, or even pointing to a good
resource to
> research
> > > > this
> > > > > issue would be most appreciated.
> > > > > If I can not resolve this I will have to scrap the
WHS solution
> and
> > > > > look at alternatives which work like unRAID or
other disk-
> server
> > > > > solutions - that would be a real pain..!!
> > > > >
> > > > > Thank you
> > > > >
> > > > >
> > > > >
> > > > > ------------------------------------
> > > > >
> > > > > Yahoo! Groups Links
> > > > >
> > > > >
> > > > >
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> > > > Yahoo! Groups Links
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>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
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> signature database 4668 (20091207) __________
>
> The message was checked by ESET NOD32 Antivirus.
>
> http://www.eset.com
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>



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signature
database 4668 (20091207) __________

The message was checked by ESET NOD32 Antivirus.

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