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Access "Off-site copies on the cheap"

W. Curtis Preston Published: 16 Oct 2012

If you're not enhancing your data protection system by using ATA disk arrays, you should be. New ATA disks arrays connected to SCSI or Fibre Channel (FC) converters offer high-capacity, SAN- or NAS-addressable storage for as little as $5,000/TB. I wrote about these arrays in the June ("Surprise! Cheap disks cure slow backup") and September ("Pick the right ATA array for backup") issues of Storage, and explained how people are using them as a disk cache for their tape-based backup and recovery systems. This article concentrates on other ways to use these incredibly inexpensive arrays to increase the level of data protection in your environment. ATA disk arrays make an excellent target for off-site replication. Traditionally, replication is relatively high on the adoption curve. First, people make sure their data is being backed up. Then they make sure that it's protected against disasters by moving and backing it up off site. After that, most storage administrators begin to look at high-availability designs. Most high-availability systems are designed to get ... Access >>>

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