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

["Paul" <paul@xxxxxxxxxxxxxxxxx>]

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
> > > >
> > > >
> > > >
> > > > __________ Information from ESET NOD32 Antivirus,
version of virus
> > > > signature database 4667 (20091207) __________
> > > >
> > > > The message was checked by ESET NOD32 Antivirus.
> > > >
> > > > http://www.eset.com
> > > >
> > >
> > >
> > >
> > > __________ Information from ESET NOD32 Antivirus, version of
virus
> > > signature
> > > database 4668 (20091207) __________
> > >
> > > The message was checked by ESET NOD32 Antivirus.
> > >
> > > http://www.eset.com
> > >
> > >
> > >
> > >
> > > ------------------------------------
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > > __________ Information from ESET NOD32 Antivirus, version of
virus
> > > signature database 4668 (20091207) __________
> > >
> > > The message was checked by ESET NOD32 Antivirus.
> > >
> > > http://www.eset.com
> > >
> >
> >
> >
> > __________ Information from ESET NOD32 Antivirus, version of
virus signature
> > database 4668 (20091207) __________
> >
> > The message was checked by ESET NOD32 Antivirus.
> >
> > http://www.eset.com
> >
>




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