Yepp, we have the same thing with our Sepaton, all deduplication is done
inline. Reason I asked is because there seems to be other manufacturers who
needs a 2nd box todo deduplication.
Regards
Daniel
Daniel Sparrman
Exist i Stockholm AB
Växel: 08-754 98 00
Fax: 08-754 97 30
daniel.sparrman AT exist DOT se
http://www.existgruppen.se
Posthusgatan 1 761 30 NORRTÄLJE
-----"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> skrev: -----
Till: ADSM-L AT VM.MARIST DOT EDU
Från: Nick Laflamme <dplaflamme AT GMAIL DOT COM>
Sänt av: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
Datum: 09/29/2011 13:34
Ärende: Re: [ADSM-L] vtl versus file systems for pirmary pool
On Sep 29, 2011, at 12:30 AM, Daniel Sparrman wrote:
> I'm not fully aware of how the DD replicates data, but if you have
> 15-20TB/day being written to your main DD, and that data is then replicated
> to the off-site DD, how much data is actually replicated?
>
> With a 1Gbs connection, you could hit values up to 360GB/s hour (expecting
> 100MB/s which should be theoretically possible, but it's usually lower than
> that on a 1Gbs connections) which means 8.6TB per 24 hours. So the data is
> both deduplicated and compressed before you send it offsite?
It's certainly de-duped before being replicated; it's probably compressed as
well, but that's less obvious to me.
> Does the DD do the dedup within the same box, or require a separate box for
> dedup?
Same box, as an in-line process. They're very proud of that.
Nick
> Daniel Sparrman
> Exist i Stockholm AB
> Växel: 08-754 98 00
> Fax: 08-754 97 30
> daniel.sparrman AT exist DOT se
> http://www.existgruppen.se
> Posthusgatan 1 761 30 NORRTÄLJE
>
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