[OpenAFS] Disk Based Or Memory Based Cache

[Derek Atkins]

Lan Zhang <chz@mercury.cs.wayne.edu> writes:

> > These are rather large apps.  The memory cache uses non-pageable ram,
> > so if you want a reasonable size memory cache you'll need an extremely
> > large amount of ram.  For example, I run with a 3GB disk cache on my
> > laptop; there is no way I could have a 3GB memory cache...  Even though
> > I've got 1GB RAM I'd be hard pressed to run with a 250MB Memory Cache.
> >
> > -derek
> >
>  Hi, Derek,
> 
> How do you configure the other parameters for the 3GB disk cache? For
> example, the stat, dache, daemons, volumes, chunksize? We used have a
> script to caculate the size of the cache, and then determine all the other
> parameters. I am not sure if the disk based cache of the openafs works the
> same way as the transarc one.
> Is there any kind of automation people recommdend?

OpenAFS cache parameters are exactly the same as Transarc AFS.
I just use the standard "large cache" parameters.

> Lot of thanks.
> 
> Zhang Lan

-derek

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       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
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