On Mon, Sep 24, 2007 at 05:08:31PM -0400, bob944 wrote: > In the technologies I'm familiar with--one of them is old, another new, > it's conceptually simple. "The system," whether that's a standalone > system or a box of disk with some smarts or an agent on the backup > client, receives data and examines it in blocks of some size (AFAIK, > always way larger than a 512-byte disk block). Simplistically, it > checksums the "block" and looks in a table of > checksums-of-"blocks"-that-it-already-stores to see if the identical > <ahem, anyone see a hole here?> data already lives there.
Yes, there's a hole there if that's all you're relying on. Not all of them do that. -- Darren Dunham [EMAIL PROTECTED] Senior Technical Consultant TAOS http://www.taos.com/ Got some Dr Pepper? San Francisco, CA bay area < This line left intentionally blank to confuse you. > _______________________________________________ Veritas-bu maillist - Veritas-bu@mailman.eng.auburn.edu http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
