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Managing RAID on Linux View Larger Image | Derek Vadala
O'Reilly Media, Paperback, Published December 2002, 245 pages, ISBN 1565927303 | List Price: $39.95
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Redundant Array of Independent Disks (RAID) technology is becoming a standard
feature of computer systems that support mission-critical services like file sharing,
mail exchange, or Web servers. RAID offers two benefits to these essential systems:
improved I/O performance and fail-safe data storage.
Although bandwidth problems on networks are well documented, the internal data
transfer bottleneck that exists at the hardware level in each system can also
leave you with perplexing performance issues. RAID is a cost-effective and easy-to-manage
way to alleviate this bandwidth problem by distributing the I/O load seamlessly
across multiple disks and controllers.
RAID also provides uninterrupted data access through disk mirroring and parity
algorithms. That means systems can remain online even during a disk or controller
failure. RAID is scalable, making it robust enough for large, high-traffic sites
and small, critical systems. By using RAID, system administrators can combine
single disks into terabytes worth of data storage.
Managing RAID on Linux covers everything system administrators need to
know to put together a system that can support RAID. You will learn about the
different types of RAID, along with associated technologies and issues, and how
to choose the best RAID system for your needs. With a step-by-step, hands-on approach,
the author guides you through the installation of either Linux software RAID or
a hardware RAID card. The book shows how to build an array and optionally install
a high-performance file system. Contents include:
- An introduction to RAID and Linux
- Planning and architecture of your RAID system
- Building a software RAID
- Software RAID tools and references
- Building a hardware RAID
- Performance and tuning of your RAID system
RAID has become the low-cost solution of choice to deal with the ever-increasing
demand for data storage space. Written for system administrators, power users,
tech managers, and anyone who wants to learn about RAID technology, Managing
RAID on Linux sidesteps the often-confusing vendor-specific approach you'll
find elsewhere to give you the straight story on RAID. Even non-Linux users will
find this book full of valuable material.
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