HP LeftHand P4000 HP LeftHand SAN Solutions Support Document - Application Not
HP LeftHand P4000 - SAN Solutions Manual
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- HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 1
HP LeftHand SAN Solutions Support Document Application Notes NSM 2060 - Performance - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 2
such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 3
Contents NSM 2060 5 Performance Tuning Tips 6 Performance Test Environment for Realistic Application Benchmarks 7 Maximum Performance Metrics 7 Real-World Application Benchmarks 8 NSM 2060 Performance Results 10 Conclusion 13 Additional References 14 3 - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 4
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ideal platform to build robust storage clusters running the LeftHand Networks SAN/iQ® software. LeftHand's SAN/iQ software platform delivers enterprise-class SAN functionality on industry standard hardware. This document provides an overview of the performance characteristics your applications can - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 6
, and battery-backed write cache. Performance Tuning Tips SAN performance can be negatively impacted if the SAN is not configured properly. The following guidelines will help maximize the performance of the LeftHand Networks SAN. Network Best Practices • Use Gigabit Ethernet switching infrastructure - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 7
tests. All disk volumes were configured using the Microsoft iSCSI Software Initiator Version 2.0.4. Volumes were mounted using the Windows Logical Disk Manager and formatted with NTFS using the default allocation unit size. Maximum Performance Metrics The maximum performance metrics data is used to - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 8
For this document the 4th iteration will be used. The SQLIOStress test runs from only a single host and typically becomes CPU bound. The tool is not capable of scaling at the same rate as the SAN. Some scaling is achieved on a single host due to the lower latency in the SAN. Best Practice - Keep the - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 9
nature of low queue depth disk operations, the architecture of a LeftHand Networks SAN solution is capable of handling multiple file copy jobs simultaneously without degrading performance. This is represented by the "Concurrent Jobs" set of data. Best Practice - When copying from DAS to the iSCSI - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 10
NSM 2060 Performance Results Figure 1 Cache hit random IOPS Figure 2 Cache hit sequential throughput 10 - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 11
Figure 3 Single Host SQL IPS Figure 4 Single Host Jetstress IOPS 11 - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 12
Figure 5 Single Host File Copy Reads Figure 6 Single Host File Copy Writes 12 - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 13
Figure 7 512 byte Random IOPS Figure 8 64K Sequential Workloads - MB/s Conclusion The NSM 2060 from LeftHand Networks delivers reliable, scalable and predictable performance for enterprise production environments. Utilizing SAN/iQ clustering the resources of multiple storage nodes are aggregated 13 - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 14
doc/downloads.html The Information in this Article applies to SAN/iQ versions 8.0+ Microsoft Windows Server 2003/2008 *Some of the performance claims represented in this document are extrapolated from benchmark data based on internally accepted performance scaling models used by Hp LeftHand Networks
HP LeftHand SAN Solutions
Support Document
Application Notes
NSM 2060 - Performance