[OpenAFS-devel] Adding an "estimate" function to vlserver

[Love]

Mitch Collinsworth <mitch@ccmr.cornell.edu> writes:

> On Thu, 3 Apr 2003, Love wrote:
>
>> Mitch Collinsworth <mitch@ccmr.cornell.edu> writes:
>>
>> > We could also just take the size from vos
>> > examine, but some quick experiments with this showed inacuracies as
>> > large as 4%, which we feel is unacceptable.
>>
>> In what direction was it wrong ?
>
> Not consistent.  (!)

You looked at the same volume clone (backup) ? You are sure the you just
did have the quota bug triggered volumes confusing you ?


>> Did you the overhead of file/directory-metadata stored in the dump (number
>> of files are stored in volintInfo.files)
>
> The inaccuracy I'm talking about here is just the difference observed
> between the size shown in vos examine and the actual true size of a
> vos dump.  Our estimator utility gets it exactly right every time, by
> looking at the actual metadata stored in the volume.

I don't think the dump should be smaller the the quota information, if it
is, something else is wrong.

Love