Enabling and disabling write caching is greyed out for SATA Drives.

I have 2 SATA Drives and I see that when I go to Device Manager->Policies tab, both options are greyed out. What could be the reason?

Thanks
shubha_mrAsked:
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Duncan MeyersCommented:
Write caching is *extremely* dangerous. If there is no mechanism to maintain the write cache in the event of a power failure or etc then you risk data corruption.

I'd suggest that the caching is greyed out because you really, really, really don't want to use it....

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mcp_jonCommented:
I suppose that SATA disks are so " Extremely fast " that they don't need that "Cache" stuff. Allmost SATA disks that I know either come with 8 MB CACHE or 16 MB CACHE.

There was an MS Error that said "When workstation is going down, some files could be lost during this process" This was caused by the Write Cache Enabled feature !

Best Regards !
zvitamConsultantCommented:
look at these two articles from microsoft:

http://support.microsoft.com/?kbid=259716  - Describes Manually Enable/Disable Disk Write Caching

http://support.microsoft.com/default.aspx?kbid=332023 - Which says the actually you may exprience Slow Disk Performance When Write Caching Is Enabled
mcp_jonCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned..
I will leave the following recommendation for this question in the Cleanup topic area:
Split between Zvitam and Mcp_jon and Meyersd
Any objections should be posted here in the next 4 days. After that time, the question will be closed.

mcp_jon
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