The real deal on the EMC 3D 4000 (Part 2)

FacebookXIf you query the ADSM-L archives for "multi-session" and "collocation," you'll see the latter is definitely discussed more than the former — way more.  Which is actually better for improving TSM restore speeds?  This blog entry attempts to discuss the pros and cons of both, as well as what you need to do to activate…

FacebookXIn a surprise reverse of their longstanding “inline is the ONLY way to go and anyone that does post processing is stupid” position, Data Domain today announced that Post Process is A-OK with them.  Or at least that’s how I’m reading the acquisition of Data Domain for $1.5B by NetApp.  Click Read More to see…

FacebookXA lot of FUD has been passed around lately about the probability of a hash collision when using a hash-only de-duplication system.  What is a hash-only de-dupe system?  What is the real probability of a hash collision in such a system?  Read on to find out. Written by W. Curtis Preston (@wcpreston), four-time O’Reilly author,…

FacebookXWhen I first heard about the EMC disk archiver, I blew my stack.  I don’t remember exactly how it was presented to me, but what I heard was that EMC was coming out with a disk product that was designed to hold backups for seven years or more.  Since storing backups for seven years or…

FacebookXOccasionally people ask me if those who have regulations requiring the immutability and non-repudiation of certain types of data should be concerned about data deduplication. I’ve also seen a few blog entries and articles like this one asking the same question. Does dedupe change the data? Can you use deduped storage if you have immutability…