Sent: 09/22/2006
From: Niels Immink
Message:Hi David,
The problem you are experiencing rung a bell and I think you might want to
check it this article.
http://support.microsoft.com/kb/888750/en-us
Reagrds,
Niels
"David Weston" wrote:
Show quoted text
> I have NT4 SP6a under VS2005R2. VM Additions installed (and removed and
> reinstalled, to be sure). Fixed-size SCSI Disk. VHD on 15K U320 RAID1+0.
>
> Disk write performance is dog slow. For instance copying 600MB from another
> system takes 45 minutes.
>
> Any suggestions? (other than upgrade NT4)
>
>
>
Sent: 09/22/2006
From: "David Weston" <(email address - cut out)>
Message:Niels,
Thank you for that, but we are also seeing the problem copying from one
virtual SCSI disk to another in the same NT4 guest.
So, I don't see a connection to TCP-offloading.
David
"Niels Immink" <(email address - cut out)> wrote in message
news:(email address - cut out)...
Show quoted text
> Hi David,
>
> The problem you are experiencing rung a bell and I think you might want to
> check it this article.
> http://support.microsoft.com/kb/888750/en-us
>
> Reagrds,
>
> Niels
>
> "David Weston" wrote:
>
>> I have NT4 SP6a under VS2005R2. VM Additions installed (and removed and
>> reinstalled, to be sure). Fixed-size SCSI Disk. VHD on 15K U320
>> RAID1+0.
>>
>> Disk write performance is dog slow. For instance copying 600MB from
>> another
>> system takes 45 minutes.
>>
>> Any suggestions? (other than upgrade NT4)
>>
>>
>>
Sent: 09/24/2006
From: "The Other Nice Man" <(email address - cut out)>
Message:
David Weston wrote:
Might be getting confused with V|MWare, but isn't there a special SCSI
driver that needs to be used during the guest OS install (Press F6 to
install additional drivers)?
Show quoted text
> Niels,
>
> Thank you for that, but we are also seeing the problem copying from one
> virtual SCSI disk to another in the same NT4 guest.
>
> So, I don't see a connection to TCP-offloading.
>
> David
>
> "Niels Immink" <(email address - cut out)> wrote in message
> news:(email address - cut out)...
> > Hi David,
> >
> > The problem you are experiencing rung a bell and I think you might want to
> > check it this article.
> > http://support.microsoft.com/kb/888750/en-us
> >
> > Reagrds,
> >
> > Niels
> >
> > "David Weston" wrote:
> >
> >> I have NT4 SP6a under VS2005R2. VM Additions installed (and removed and
> >> reinstalled, to be sure). Fixed-size SCSI Disk. VHD on 15K U320
> >> RAID1+0.
> >>
> >> Disk write performance is dog slow. For instance copying 600MB from
> >> another
> >> system takes 45 minutes.
> >>
> >> Any suggestions? (other than upgrade NT4)
> >>
> >>
Sent: 09/24/2006
From: Steve Jain <(email address - cut out)>
Message:On 24 Sep 2006 02:14:20 -0700, "The Other Nice Man"
<(email address - cut out)> wrote:
Yes, but since the OP reinstalled the VM Additions, the SCSI driver
would have been installed then, if he did not do it during the OS
installation.
--
Cheers,
Steve Jain, Virtual Machine MVP
http://vpc.essjae.com/
I do not work for Microsoft.
Show quoted text
>
>David Weston wrote:
>> Niels,
>>
>> Thank you for that, but we are also seeing the problem copying from one
>> virtual SCSI disk to another in the same NT4 guest.
>>
>> So, I don't see a connection to TCP-offloading.
>>
>> David
>>
>> "Niels Immink" <(email address - cut out)> wrote in message
>> news:(email address - cut out)...
>> > Hi David,
>> >
>> > The problem you are experiencing rung a bell and I think you might want to
>> > check it this article.
>> > http://support.microsoft.com/kb/888750/en-us
>> >
>> > Reagrds,
>> >
>> > Niels
>> >
>> > "David Weston" wrote:
>> >
>> >> I have NT4 SP6a under VS2005R2. VM Additions installed (and removed and
>> >> reinstalled, to be sure). Fixed-size SCSI Disk. VHD on 15K U320
>> >> RAID1+0.
>> >>
>> >> Disk write performance is dog slow. For instance copying 600MB from
>> >> another
>> >> system takes 45 minutes.
>> >>
>> >> Any suggestions? (other than upgrade NT4)
>> >>
>> >>
>
>
>Might be getting confused with V|MWare, but isn't there a special SCSI
>driver that needs to be used during the guest OS install (Press F6 to
>install additional drivers)?
Sent: 09/24/2006
From: "The Other Nice Man" <(email address - cut out)>
Message:
Steve Jain wrote:
My bad, I thought the SCSI shunt had be used during installation only.
Show quoted text
> On 24 Sep 2006 02:14:20 -0700, "The Other Nice Man"
> <(email address - cut out)> wrote:
>
> >
> >David Weston wrote:
> >> Niels,
> >>
> >> Thank you for that, but we are also seeing the problem copying from one
> >> virtual SCSI disk to another in the same NT4 guest.
> >>
> >> So, I don't see a connection to TCP-offloading.
> >>
> >> David
> >>
> >> "Niels Immink" <(email address - cut out)> wrote in message
> >> news:(email address - cut out)...
> >> > Hi David,
> >> >
> >> > The problem you are experiencing rung a bell and I think you might want to
> >> > check it this article.
> >> > http://support.microsoft.com/kb/888750/en-us
> >> >
> >> > Reagrds,
> >> >
> >> > Niels
> >> >
> >> > "David Weston" wrote:
> >> >
> >> >> I have NT4 SP6a under VS2005R2. VM Additions installed (and removed and
> >> >> reinstalled, to be sure). Fixed-size SCSI Disk. VHD on 15K U320
> >> >> RAID1+0.
> >> >>
> >> >> Disk write performance is dog slow. For instance copying 600MB from
> >> >> another
> >> >> system takes 45 minutes.
> >> >>
> >> >> Any suggestions? (other than upgrade NT4)
> >> >>
> >> >>
> >
> >
> >Might be getting confused with V|MWare, but isn't there a special SCSI
> >driver that needs to be used during the guest OS install (Press F6 to
> >install additional drivers)?
>
> Yes, but since the OP reinstalled the VM Additions, the SCSI driver
> would have been installed then, if he did not do it during the OS
> installation.
>
> --
> Cheers,
> Steve Jain, Virtual Machine MVP
> http://vpc.essjae.com/
> I do not work for Microsoft.
Sent: 09/29/2006
From: "David Weston" <(email address - cut out)>
Message:FYI. I converted the disks to IDE and performance improved dramatically.
The 600MB copy went in about 2 minutes.
"David Weston" <(email address - cut out)> wrote in message
news:(email address - cut out)...
Show quoted text
>I have NT4 SP6a under VS2005R2. VM Additions installed (and removed and
>reinstalled, to be sure). Fixed-size SCSI Disk. VHD on 15K U320 RAID1+0.
>
> Disk write performance is dog slow. For instance copying 600MB from
> another system takes 45 minutes.
>
> Any suggestions? (other than upgrade NT4)
>
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