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Disabling drive write ahead caching

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Paul Lee

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Aug 8, 2004, 9:40:01 PM8/8/04
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Is there a way to disable main disk drive write ahead caching
from within VFP? Registry key or something.

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Stefan Wuebbe

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Aug 9, 2004, 3:37:25 AM8/9/04
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Hi Paul,

There seem to be more than one Registry key involved -
the RegMon freeware from www.sysinternals.com shows these
among others when changing disk cache manually
Access
HKLM\Software\Microsoft\Esent\Global\Cache Manager\Enable Opportune Writes
Assign
HKLM\System\CurrentControlSet\Enum\IDE\<yourDiskName>\<serial no>\Device
Parameters\Disk\UserWriteCacheSetting = 0x0

(line wrap)

I guess Windows "Limited user" privileges might fail.
See also KB811392, KB834786


hth
-Stefan

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Al Marino

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Aug 9, 2004, 10:54:51 AM8/9/04
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Not without restarting
If you find a way, please post it

thanks

al

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