Improving Backup/Recovery: Tradeoffs of Disk, Tape and MAID Strategies
导读：Preston examines the challenges and new strategies with today's backup and recovery. He compares tradeoffs between tape and disk, and introduces a new concept ?C D2D with a little tape, using MAID architecture. He discusses the concept of disk to disk with minimal tape requirements where all data
关键词：GlassHouse
Preston examines the challenges and new strategies with today's backup and recovery. He compares tradeoffs between tape and disk, and introduces a new concept ?C D2D with a little tape, using MAID architecture.
He discusses the concept of disk to disk with minimal tape requirements where all data stays online protected in a RAID array, and tape is used strictly for off-site requirements. He also discusses trade-offs between D2D2t and D2D2T.
He introduces COPAN Systems' product, based on MAID architecture and a VTL personality, the first disk-based long-term storage subsystem that combines access, protection, and performance of disk with cost and scale of tape.
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