[CentOS] LSI Logic MegaRAID 8480 Storage controller policies?

Joseph L. Casale JCasale at activenetwerx.com
Wed Mar 11 19:55:21 UTC 2009


>Life is much better now that I'm using -h instead of the manual.
>
>I have a new question about policies
>
>Direct   and DisDskCache makes sense
>Cached and EnDiskCache makes sense
>
>not so sure about
>
>Direct    and EnDskCache
>Cached and DisDsk Cache
>
>Do they make sense?

I believe Cached|Direct refers to adapter based caching of the logical
(virtual) disk whereas EnDskCache|DisDskCache refers to physical disk
cache.

The adapter can hold data in the event of a powerloss with a BBU
but I can't see how the disc could.

jlc




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