How do RAID schemes and tactics work with hybrid flash drives?

How do RAID schemes and tactics work with hybrid flash drives?

RAID can be used for availability and for redundancy, but it can also be used for performance. Texas Memory is using multiple flash cards configured in an N + 1, RAID 5 scheme. That way, if one card fails, they continue to have the permanency for the flash, and they are using RAM for performance. It's a new variation of a classic RAID 5 array in which cache was used for performance and the drives were used for the permanency and protection.

With flash, you have protection. However, flash is not known for high performance on writes. In fact, the more you write to flash, the more errors are introduced. The hybrid drives leverage the strengths of each media type and balancing the performance and availability that RAID provides.

Check out the entire RAID FAQ guide.

    Requires Free Membership to View

    Login

    When you register for SearchStorage.com, you’ll also receive targeted emails from my team of award-winning editorial writers. Our goal is to keep you informed on the hottest topics, the latest news and the biggest challenges you face as a storage professional today.

    Rich Castagna, Editorial Director

    By submitting your registration information to SearchStorage.com you agree to receive email communications from TechTarget and TechTarget partners. We encourage you to read our Privacy Policy which contains important disclosures about how we collect and use your registration and other information. If you reside outside of the United States, by submitting this registration information you consent to having your personal data transferred to and processed in the United States. Your use of SearchStorage.com is governed by our Terms of Use. You may contact us at webmaster@TechTarget.com.


This was first published in November 2007

Back to top