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Getting Down to Business Continuity

It wouldn't be tough to group most current storage news under one heading: business continuity.

Indeed, it's arguable that nearly every category of storage product or service these days addresses the need to keep an organization's data going in spite of all kinds of threats and interference.

Let's take one example: capacity planning. Having sufficient storage to maintain a growing volume of data without reducing performance is a big factor in business continuity. After all, how can you ensure uptime and availability if you don't have the infrastructure to support it?

There's enormous effort around giving business storage customers the capacity they require to keep data up and running -- without getting booted from their budgets. Techniques like thin provisioning are getting lots of airplay -- even though the definition thereof encompasses a growing roster of approaches, from 3PAR's original take to replication by NetApp and HP's Dynamic Capacity Management. (See HP's Storage & Security Blitz, Sunlight Service Group, NetApp Respins Topio Lineup, The Skinny on Thin Provisioning, EqualLogic: Thin Is In, and Hitachi Intros Thin Provisioning.)

Storage managers also are concerned that adding larger drives, particularly SATA ones, to existing arrays will slow or stymie performance -- a no-no in the business continuity framework. It's also important that larger drives don't make rebuild times unmanageably long after an outage. (See Coping With SATA Growth.)

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