Hi,
Try these
http://www.superbase.com/services_tech_support_net_fact_sheet.htm
http://www.dataaccess.com/whitepapers/opportunlockingreadcaching.html

>>Hi,
>>
>><snip>How to disable disk caching ?
>>
>>The flush should fix the problem.
>>
>>To disable write caching, it has to be done on both the workstation and server in Control Panel/System/Hardware/Device Manager, Right click on the hard drive & select properties then under the policies tab uncheck the Enable write caching on disk, save then reboot.
>>
>>>> P.S. On a highly loaded system I have seen the OS drop a dirty cache without ensuring that it was written back to disk.
>>>
>>>I do'nt believe this.
>>
>>Have you ever had the error message "Edits were lost" in WORD, this is when it happens.
>>
>>This is well documented by many DB providers i.e. MYSQL, DataFlex etc, and I have confirmed it during testing.
>>
>>BTW a system can work perfectly for 12 Months, then you add one or two additional workstations then the problems start.
>
>Neil,
>can you provide some link where this problem is describred ?