Direct Attached Storage (2)
Wealthy Castagna – the VP of Editorial, Storage – shares his candid, professional, and typically very funny view on today’s storage marketplace. Dataquest has predicted that the commanding DAS 95% storage market share of now will be eclipsed by NAS over the next five years, and IDC projects that especially designed NAS goods will develop fivefold, from $1 billion in 1998 to $five billion by 2002.
SAN is more similar to DAS than NAS, with the major dissimilarity being that – DAS is a one-to-one sort of relationship between the host and the storage, but SAN is a kind of many-to-many relationship involving the host program and the storage.
In this way, a group of servers could have their individual direct-attached storage grouped collectively into a virtual storage appliance (VSA). So now that we know a little bit more about DAS, we’ve gone ahead and added a RAID card to … Read More