Seagate ST3750330NS Seagate Barracuda ES.2 SAS Hard Drives and LSI MegaRAID SA - Page 6
Why MegaRAID SAS/SATA adapters are ideal for, pairing with Seagate ES.2 SAS drives in Low-Cost
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New features of the LSI MegaRAID SAS/SATA adapters take full advantage of dual port, full duplex and concurrent active channels on the ES.2 SAS drives. Load Balancing 1001010100101001010101P0r1i0m10a0r1y01P0a10t0h10101 01100110001100100110000011000110001011100011S11e00c10o1001n00d1010a11r00y1001P00a1001t10h0101 1001010100101001010101010100101010010101 0101010101001001011101101100111010010100 1010010010001010001001100010001001001011 1001010100101001010101010100101010010101 12 12 0101010101001001011101101100111010010100 1010010010001010001001100010001001001011 11 11 1001010100101001010101010100101010010101 0101010101001001011101101100111010010100 10 10 1010010010001010001001100010001001001011 1001010100101001010101010100101010010101 0101010101001001011101101100111010010100 9 9 1010010010001010001001100010001001001011 1001010100101001010101010100101010010101 8 8 0101010101001001011101101100111010010100 1010010010001010001001100010001001001011 1001010100101001010101010100101010010101 7 7 0101010101001001011101101100111010010100 1010010010001010001001100010001001001011 6 6 1001010100101001010101010100101010010101 0101010101001001011101101100111010010100 5 5 1010010010001010001001100010001001001011 1001010100101001010101010100101010010101 0101010101001001011101101100111010010100 1010010010001010001001100010001001001011 4 4 110010010011000110000100110010010001100100111001000110000100V11o00l01. 10000110011011 3 3 01010101010010010111011011001111010010100 1010010010001010001001100010001001001011 1001010100101001010101010100101010010101 21 21 011100010101000111000101010100V0012o000111l.000010101000101110101000111110001100101010000101100111000101010000101010101010011 0101010101001001011101101100111010010100 1010010010001010001001100010001001001011 1010010010001010001001100010001001001011 1001010100101001010101010100101010010101 0101010101001001011101101100111010010100 101001001000101000100110001000100100101 Enclosure 1 Enclosure 2 Why MegaRAID SAS/SATA adapters are ideal for pairing with Seagate ES.2 SAS drives in Low-Cost Server and Nearline Applications LSI MegaRAID SAS/SATA adapters offer the added fault tolerance, data security, availability and performance required by Nearline and Low-Cost Server environments. With a diverse portfolio of MegaRAID adapters, including Entry, Value, and Feature boards ranging from four to sixteen ports, LSI offers a solution for any storage requirement. The combination of LSI MegaRAID SAS/SATA and Seagate ES.2 SAS drives offers a unique benefit to system builders and channel OEMs. With the MegaRAID 3.5 release, the MegaRAID SAS 8700 and 8800 series products now support single-controller Multipathing (failover) and Load Balancing. Together, these two new features take full advantage of the dual port, full duplex, and concurrent active channels on the ES.2 SAS hard drives. Multipathing takes advantage of dual port drives by detecting and using multiple paths of communication. This increases reliability and fault tolerance in the case where the cabling becomes faulty or disconnected, or where one port on a drive becomes inactive. In this instance, Multipathing allows the MegaRAID adapter to access the hard drive via an alternate path, thereby maintaining communication and eliminating downtime. Load balancing, working in tandem with Multipathing, is a powerful feature for improving application performance. While Multipathing allows for use of multiple paths, it is Load Balancing that intelligently distributes read/write requests to the multiple paths. This maximizes throughput between the MegaRAID adapter and the hard drive, removes bottlenecks and improves overall system performance. In fact, LSI has seen Load Balancing improve large block sequential reads by up to 40% and modestly improve random writes as well. MegaRAID SAS/SATA adapters used with Seagate ES.2 SAS hard drives provides the most ideal storage solution for Low-Cost Server and Nearline applications. Not only are system builders and other channel customers able to purchase these SAS building blocks at SATA pricing, but they can also take full advantage of the SAS performance and reliability features. No other vendors can match this capability today. For more information on Seagate ES.2 SAS drives or LSI MegaRAID SAS/SATA adapters, please visit: www.seagate.com www.lsi.com/megaraid For more information and sales office locations, please visit the LSI web sites at: lsi.com lsi.com/contacts North American Headquarters Milpitas, CA T: +1.866.574.5741 (within U.S.) T: +1.408.954.3108 (outside U.S.) LSI Europe Ltd. European Headquarters United Kingdom T: [+44] 1344.413200 LSI KK Headquarters Tokyo, Japan Tel: [+81] 3.5463.7165 LSI Corporation and the LSI logo design are trademarks or registered trademarks of LSI Corporation. All other brand and product names may be trademarks of their respective companies. LSI Corporation reserves the right to make changes to any products and services herein at any time without notice. LSI does not assume any responsibility or liability arising out of the application or use of any product or service described herein, except as expressly agreed to in writing by LSI; nor does the purchase, lease, or use of a product or service from LSI convey a license under any patent rights, copyrights, trademark rights, or any other of the intellectual property rights of LSI or of third parties. Copyright ©2008 by LSI Corporation. All rights reserved. > 1208