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Vol. 3 No. 1 March 2004

LTO tape put to the test

Can you determine the quality of a cartridge? Unfortunately, it's difficult to determine the quality of a tape cartridge. Most users don't have the resources required for an ongoing, full-scale quality assurance program, even though the benefits of such a program are obvious. The only method available to the general user is to monitor the read/write errors of the cartridge. Read/write errors can be caused by the cartridge as well as by the tape drive. As a cartridge becomes used, an increase in the number of read/write errors could identify a deteriorating cartridge. LTO drives keep internal track of read/write errors; some drives gather fairly detailed statistics. But usually, only the drive manufacturers have ready access to these detailed statistics. Some of the read/write error statistics assembled by the drives can be accessed through the interface (using the log sense command). User software can track cartridge quality, and can identify a potentially deteriorating cartridge, hopefully long before disaster strikes. In ...

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Features in this issue

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  • Consolidating NAS pays off

    by  Alan Radding

    The role of network-attached storage may be changing as more and more storage managers discover the the benefits of using NAS to consolidate file servers.

  • Tape type matters

    High-performance tape formats may all seem similar in capacity and throughput, but most formats lend themselves better to some applications then others. Find out how to decide which one is best for you.

  • Slash SAN costs

    by  Marc Farley

    SANs are expensive if you operate them according to conventional wisdom. Find out how to break the vicious circle of high costs that limit the places you can use SANs.

  • How to get the best deal

    Take this crash course in bargaining for storage. Get the lowdown on effective tactics such as resisting vendor lock-in, working with multiple vendors and leveraging the second tier.

  • No SAS for Networked Storage

Columns in this issue