Cloud storage is for blocks too, not just files

One of the misconceptions about cloud storage is that it is only useful for storing files. This assumption comes from the popularity of file-sharing services and the fact that it’s difficult to conceive of data objects that aren’t files because that’s what people use.

But Windows Azure Storage works very well for storing fingerprints and fingerprints definitely are not files—they are logical packages of contiguous blocks of data. Blocks are an addressing mechanism that operating systems use to calculate where to put data to maintain system performance. CiS systems exchange blocks, not files, with servers. On the cloud side, CiS systems exchange objects with Windows Azure Storage—and fingerprints, chock full of blocks, are the objects used by the Microsoft HCS solution. Just as the operating system translates files into blocks in order to store them on storage devices, CiS translates blocks into fingerprints so they can be stored in the cloud.

Source of Information : Rethinking Enterprise Storage

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Cloud storage is for blocks too, not just files

One of the misconceptions about cloud storage is that it is only useful for storing files. This assumption comes from the popularity of file...