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Vol. 5 No. 2 April 2006

Fine-tune storage networks

Maximum SAN performance requires key components--host bus adapters and Fibre Channel directors--to work in harmony. SANs are among the most mission-critical enterprise networks, so organizations tend to overbuy and overallocate SAN capacity to avert performance problems. Buying more capacity might work sometimes, but it isn't always an option. Storage administrators need to find ways to wring more value out of their SANs, and performance tuning is the place to start. SAN tuning checklist Use this checklist as a guide for performance tuning. Host bus adapters (HBAs) Leave the Fibre Channel (FC) ports at autonegotiate Avoid putting more HBAs on a server than the bus throughput can support Turn on the I/O coalesce parameter in high-performance environments Install the latest HBA firmware and driver Use multipathing software that supports both load balancing and path failover FC switches Keep the highest performing directors at the core of the SAN Connect storage devices and the highest performing applications to the core Benchmark ...

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Features in this issue

  • Fine-tune storage networks

    How key SAN components, principally host bus adapters and switches, are configured will determine overall SAN performance. If you know what to look for and how to make adjustments, performance issues can be greatly reduced.

  • Voice apps can strain storage

    Digital voice recordings are creeping up on storage like e-mail did a decade or so ago, but they're roughly 1,000 times larger per element. Here's how to prevent them from overwhelming your data center.

  • iSCSI moves up the ranks

  • New life for InfiniBand

    InfiniBand storage is finally emerging, but despite its cost, speed and scalability advantages over Fibre Channel, acceptance has been slow in enterprise data centers. But clustered, high-performance computing and demanding applications have helped renew interest in InfiniBand-based storage networks.

  • New DLT drive tops a terabyte

  • Finding Data

    Archiving applications are increasingly being used to minimize online data stores and to meet compliance requirements. Most of those archivers include search features, but the capabilities vary widely. Understanding how these search tools work will help you find the best fit for your company.

Columns in this issue

  • The winners of Storage magazine's Products of the Year were surprising

    Storage Bin: The winners of Storage magazine's Products of the Year were surprising, as so few of them were big-name storage vendors. Here's Steve Duplessie's take on the subject.

  • Deploying Intelligent Information Management applications

    By deploying Intelligent Information Management applications, organizations can improve resource management by eliminating the storage of duplicate data, reduce risk by quickly responding to discovery requests, comply with record-retention and privacy regulations, and restore the right data faster.

  • Misplaced priorities

    by  Stephen Foskett

    In this age of compliance and despite well-publicized cases of data theft, a recent security survey from GlassHouse Technologies indicates that few companies are paying much attention to storage security.

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