Richard Scannell discusses failure protection

Richard Scannell discusses failure protection

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Richard Scannell
VP, GlassHouse Technologies Inc., GlassHouse Technologies Inc.
Richard Scannell, co-founder of GlassHouse, serves as Vice President of Corporate Development and Strategy. In his role, Richard is responsible for the development and execution of corporate strategy, client relationship development and marketing communications. Richard is a frequently requested speaker at key industry events, as well as a featured columnist and thought leader in such publications as STORAGE Magazine, Intelligent Enterprise and Byte and Switch. Richard has also written various articles in STORAGE magazine, including "How healthy is your corporate e-mail?" and "The well-oiled backup machine."

QUESTION: What do you recommend for protecting against failure of a disk array? We have replication via EMC SRDF, but failover is not automatic. Do you use "duplex mirroring" via software RAID 1 connecting to two disk arrays?

ANSWER: By this I assume you mean some type of host-based replication. If so, that is a suitable solution. Another, more robust if not complex, type that I have seen is active-active SRDF across a campus with clustered servers dual connected (one to each of both sides).

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