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Access "How to do hybrid backup"

Published: 29 Oct 2012

Traditionally, backups have been usually targeted to tape drives, but more and more disk storage is being incorporated into the backup process. One common approach with disk-based backups is using disk as a staging area before copying data to tape, which is known as a two-stage backup architecture. Other strategies include using disk as a complete replacement for tape media. Data is archived to disk in the form of virtual copies (space-saving snapshots) or full volume, byte-for-byte copies. Often hosts will have their disk backups stored on one or two dedicated disk arrays exclusively used for backup storage. Another backup approach balances the mix of disk and tape for data protection. Instead of implementing a two-stage backup, disk and tape are both used as archival media and are incorporated into the tape rotation and retention schedule. For example, instead of using tape solely as the backup medium, disk is substituted to store and age incrementals, allocating tape exclusively for full backups. Disk backups have many advantages, but there's a balance ... Access >>>

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      The market for super drives is alive and kicking, according to a recent report from Freeman Reports, with unit shipments more than doubling from 2001 to 2002.

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      Many IT people are on the fence about automated storage management, but at Allegra Systems in Piscataway, NJ, there's no doubt that automatic file migration software has cut down on the IT staff's workload.

    • Backup exec gets big boost by Tom Henderson

      Version 9.0 has a surprising number of features that enable it to work with newer storage technologies.

    • Pushing storage to the edge by Susan J. Marks

      If you're delivering large content files to widely distributed users, consider moving data storage closer to the user.

    • Surveillance Gradually Going Digital

      Security-conscious companies who started out using analog videotapes, are gradually making the switch to digital, offloading to digital tape and occasionally, cheap ATA disk.

    • Bring DBAs into the SAN era by Jim Booth

      You may not want DBAs poking around inside your fabric, but the more they understand about SANs, the better they'll be.

    • How to do hybrid backup by Mark Teter

      Disk-based backup is an attractive idea, but you'll want to get a handle on how to optimize it.

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