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ISS Technology Update
ISS Technology Update
Volume 8, Number 5
Keeping you informed of the latest ISS technology
Recently published industry standard server technology papers ............................................................... 1
Disabling processor cores in Intel
Understanding and implementing Accelerated iSCSI on HP ProLiant servers .............................................. 3
Performance, throughput and compatibility of HP 6-Gb/s SAS drives ....................................................... 6
Meet the Expert—Eric Pope ........................................................................................................................ 8
Contact us .................................................................................................................................................. 9
Recently published industry standard server technology papers
Title
Implementing Microsoft® Windows Server® 2008
Foundation on HP ProLiant servers
HP Insight Management Agents architecture for Windows
servers, 1st edition
RAID 1(+0): breaking mirrors and rebuilding drives, 4th
Edition
Visualization and Acceleration in HP ProLiant servers, 1
edition
HP Smart Array Controller technology, 2nd edition
Using the HP Direct Connect Shared SAS storage solution
with VMware ESX virtualization software
Technologies in HP ProLiant G6 c-Class server blades with
Intel® Xeon®
Technologies in HP ProLiant G5 c-Class Server Blades
HP Virtual Connect technology for the HP BladeSystem c-
Class, 3
rd
edition
®
-based HP ProLiant G6 servers .............................................................. 2
URL
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c018223
81/c01822381.pdf
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c018172
85/c01817285.pdf
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c003789
86/c00378986.pdf
st
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c018479
18/c01847918.pdf
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c006875
18/c00687518.pdf
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c018208
49/c01820849.pdf
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c018525
90/c01852590.pdf
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c011360
96/c01136096.pdf
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c008141
56/c00814156.pdf
Volume 8, Number 5
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Summary of Contents for HP 2G
- Page 1 ISS Technology Update Volume 8, Number 5 ISS Technology Update Volume 8, Number 5 Keeping you informed of the latest ISS technology Recently published industry standard server technology papers ............... 1 Disabling processor cores in Intel ® -based HP ProLiant G6 servers .............. 2 Understanding and implementing Accelerated iSCSI on HP ProLiant servers ..........
- Page 2 ISS Technology Update Volume 8, Number 5 Disabling processor cores in Intel -based HP ProLiant G6 servers ® HP ProLiant G6 servers with the 4-core Intel Xeon® processor 5500 series have many new power and efficiency features. Several of these features are configurable, letting system administrators tune individual servers to provide optimal performance per watt for specific application environments.
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Page 3: Additional Resources
ISS Technology Update Volume 8, Number 5 When to disable processor cores While disabling cores may seem counterintuitive to delivering higher performance, there are at least three situations in which disabling processor cores can prove beneficial. Reducing power use. Disabling processor cores reduces processor power use. If a server is being used in an application environment that does not depend heavily on multi-threading, disabling cores can lower power consumption without materially affecting performance. - Page 4 ISS Technology Update Volume 8, Number 5 drive. The iSCSI stack at both ends of the path is used to encapsulate SCSI block commands into Ethernet Packets for transmission over IP networks as illustrated in Figure 2-1. Figure 2-1. iSCSI is SCSI over TCP/IP iSCSI initiator File System File System...
- Page 5 ISS Technology Update Volume 8, Number 5 Accelerated iSCSI application examples Administrators can consolidate storage, enhance manageability, and enable iSCSI boot (also called ‗boot from SAN‘). HP Accelerated iSCSI Licensing Pack for 1GbE network adapters NC373F, NC373T, and NC382T option kits have always included Accelerated iSCSI as a standard feature. As of the publication of this article, the DL385 G5p, DL385 G6, DL360 G6, and DL380 G6 ProLiant servers are shipping as ‖iSCSI ready,‖...
- Page 6 ISS Technology Update Volume 8, Number 5 HP ProLiant Accelerated iSCSI for http://bizsupport.austin.hp.com/bc/docs/support/SupportManual/ Windows User Guide c00577553/c00577553.pdf HP Insight software Accelerated http://h18000.www1.hp.com/products/servers/proliantessentials/ iSCSI Pack for Embedded aip/index.html Multifunction server adapters Performance comparison of HP http://www.tolly.com/TS/2008/HewlettPackard/iSCSISolutions/To hardware and software accelerated lly208305HPiSCSI.pdf iSCSI –...
- Page 7 ISS Technology Update Volume 8, Number 5 of the existing 3-Gb/s SAS interface. Therefore, for directly attached storage configurations, there is currently no performance benefit to using 6-Gb/s SAS drives attached to 6-Gb/s-capable disk controllers. Interoperability of 6 Gb/s drives with 3 Gb/s drives Six-Gb/s SAS drives are completely interoperable with 3-Gb/s drives.
- Page 8 ISS Technology Update Volume 8, Number 5 Meet the Expert—Eric Pope Eric Pope has been a Memory Engineer for HP Industry Standard Servers (ISS) for the last six years of his ten-year career at HP. His responsibilities include memory futures, qualification, quality, and sustaining. According to his manager, Theresa Maglitto, Eric provides technical expertise in all aspects of HP memory.
- Page 9 ISS Technology Update Volume 8, Number 5 Industry standard server technical papers can be found at www.hp.com/servers/technology. Contact us Send comments about this newsletter to TechCom@HP.com. To subscribe to the ISS Technology Update newsletter, click mailto:techcom@hp.com?subject=newsletter_subscription Follow us on Twitter Legal Notices ©...