Re: Data Deduplication with the help of an online filesystem check

[Thomas Glanzmann <thomas@glanzmann.de>]

Ric,

> I would not categorize it as offline, but just not as inband (i.e., you can 
> run a low priority background process to handle dedup).

> Offline windows are extremely rare in production sites these days and
> it could take a very long time to do dedup at the block level over a
> large file system :-)

let me rephrase, by offline I meant asynchronous during off hours.

> 1/3 is not sufficient for dedup in my opinion - you can get that with 
> normal compression at the block level.

1/3 is what gives me real time data of an production environment in a
mixed VM setup without compression.

        Thomas