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Question on objecto count
I've got a question about how Centera counts objects.
Let's suppose i store a C-clip with one only blob. As far as i konw, that would result in a increase of 4 objects (2 per CDF and 2 per blob), in a typical mirrored centera.
But if i store a C-clip with 2 blobs, how would the object count change?
It would be increased by 6 (2 per CDF and 2 per blob (2 blobs)) ?
Or it would be increased by 4 (2 per CDF and 2 per all blobs) ?
Thanks in advance.
ivesa
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May 7th, 2012 06:00
The simplest answer: each blob is stored separately and is individually protected by Centera. So you will have two copies of the CDF and two copies of each blob; so 6 objects in total.
Things could get more complicated if you have parity protection (CPP) on your cluster or if you use embedded blobs.
Cheers,
Ives Aerts
Datadobi (http://www.datadobi.com)