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LSI 9260-8i SAS 6Gbps RAID CONTROLLER REVIEW

Introduction: The LSI 9260-8i


SAS 6 Gbps is the latest version of the SAS spec, providing up to 6 Gbps in serial data transfer bandwidth.  This doubles the previous spec of 3.0 Gbps.  The increased capacity promises better I/O performance for enterprise-grade SAS setups, but likely only for burst transfers, not for sustained transfers.  Of course, SAS is backward-compatible with SATA, so those 6 Gbps SSDs will work on this controller.

In this article, we will be testing LSI's new 9260-8i SAS controller on a dual-Xeon machine with several SAS 6 Gbps HDDs in different configurations.  Here is the LSI 9260-8i:

LSI 9260-8i Specifications:

Features

  • Eight internal SATA+SAS ports
  • Two mini-SAS SFF-8087 x4 connectors
  • 6Gb/s throughput per port
  • LSISAS2108 RAID-on-Chip (ROC)
    o  800MHz PowerPC®
  • Low-profile MD2 form factor (6.6” X 2.536”)
  • x8 PCI Express 2.0 host interface
  • 512MB DDRII cache (800MHz)
  • Optional battery backup unit (direct attach)
  • Connect up to 32 SATA and/or SAS devices
  • RAID levels 0, 1, 5 and 6
  • RAID spans 10, 50 and 60
  • Auto-resume on rebuild
  • Auto-resume on reconstruction
  • Online Capacity Expansion (OCE)
  • Online RAID Level Migration (RLM)
  • SafeStore™ Encryption Services
    o  Instant secure erase
  • SSD support with SSD Guard™
  • Global and dedicated hot spare with revertible hot spare support
    o  Automatic rebuild
    o  Enclosure affinity
    o  Emergency SATA hot spare for SAS arrays
  • Single controller multipathing (failover)
  • I/O load balancing
  • Comprehensive RAID management suite

Benefits

  • Superior performance
    o Maximum reads: 2,875MB/s
    o Maximum writes: 1,850MB/s
  • PCI Express 2.0 provides faster signaling for high-bandwidth applications
  • Support for 3Gb/s and 6Gb/s SATA and SAS hard drives for maximum inside-the-box flexibility
  • SafeStore Encryption Services for more secure data protection
  • Low-profile MD2 form factor for space-limited 1U and 2U environments

 

 

 

 

 

 

 


LSI made some great improvements with MegaRAID Storage Manager
 


     
Table Of Contents Next:  Hitachi C10K300 Specs
     
     1. Introduction: The LSI 9260-8i    5. Seagate Cheetah 15k.7 Test Results
     2. Hitachi C10K300 Specs    6. Seagate Cheetah NS.2 Specs
     3. Hitachi C10K300 Test Results    7. Seagate Cheetah  NS.2 Test Results
     4. Seagate Cheetah 15k.7 Specs    8. Conclusion
     
     

 

 

 



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