Re: Windows disables write-cacheing on boot drive

From: Ace Fekay [MVP] (PleaseSubstituteMyActualFirstName&LastNameHere_at_hotmail.com)
Date: 06/30/04 

Date: Tue, 29 Jun 2004 20:53:39 -0400

In news:06SdnWFcC5u7lXzdRVn-ug@wideopenwest.com,
James W. Long in <JamesLong@wowway.com> posted their thoughts, then I
offered mine
> Dear Ace:
>
> I am looking for the following,
>
> When I change from a non-disk-write-cached state, to a write-cached
> state, W2KADV DC changes it back to non-disk-write-cached state again.
> this happens ever time I reboot.
>
> ->my second drive IS write cached and stays that way.<-
>
> I want the boot drive cached...period. I ran a PDC / BCD and a LAN
> for 5 years, I know the risk and am fully willing and able
> to live with it.
>
> So I need the way to make it stay the way I set it,
> Permanently.
>
> I'm not buying a UPS just to make write cacheing operate.
>
> I even thought about setting up UPS settings and hotwiring
> com1 so Windows thinks there is one. Dunno if this
> actually works...
>
> microsoft says I can run an app called dskcache.exe
> to give me a software cache. I dont want that either,
> I want the one _natively_ built into windows.
>
> I have even modified the registry but the parameters
> get changed back every reboot.
>
> microsoft says they fixed this with service pack 3.
> Mine isnt.
>
> microsoft says I have to have these drivers updated,
> and mine already match these version #, as I am running
> service pack 4.
>
> Date Time Version Size File name
> -------------------------------------------------------
> 15-Jan-2003 19:42 5.0.2195.6655 34,832 Classpnp.sys
> 15-Jan-2003 19:43 5.0.2195.6655 30,768 Disk.sys
>
>
> ms also says I should get the latest service pack.
> I am running service pack 4.
> I am wondering if I could solve all this by
> just reappling it? I installed with it slipstreamed into
> the install cd.
>
>
> How do I override this windows policy?
>
>
> Thank you,
> James W. Long

The reason why it re-enables is because AD's database is on the system
drive.

Where did you read this stuff? Do you have a link?

See this article for the ramifications of enabling this on a DC:
321543 - Slow Network Performance After You Promote a Windows 2000-Based
Server to a Domain Controller:
http://support.microsoft.com/?id=321543 

-- 
Regards,
Ace
Please direct all replies to the newsgroup so all can benefit.
This posting is provided "AS-IS" with no warranties and confers no
rights.
Ace Fekay, MCSE 2000, MCSE+I, MCSA, MCT, MVP
Microsoft Windows MVP - Active Directory
HAM AND EGGS: A day's work for a chicken; A lifetime commitment for a
pig. -- 
=================================

Relevant Pages