Dell H700, H800

Dell

DELL PERC H700 and H800 Technical Guide 8

Figure 3. PERC H800 Adapter

Contents

Main Page Table of Contents Tables Figures Dell 1 Product Comparison 1.1 Overview 1.2 PERC H700 Overview 1.3 PERC H800 Overview Page 2 New Features 2.2.1 6Gb/s SAS Performance Benefit over 3Gb/s SAS 2.2.2 6Gb/s SAS Expectation 3 Product Support 3.1 Dell PowerEdge Server Support 3.2 Management Software Support 3.3 Operating System Support 3.4 Drive Support Dell 4 Product Overview 4.1 PERC H700 and PERC H800 Overview Table 7. PERC H700 and PERC H800 Features Page 4.2 CacheCade 4.3 Cut-Through IO 4.4 Reconfiguring Virtual Disks Dell Table 8. RAID Level Migration 4.5 Fault-Tolerance Features 4.5.1 Non-Volatile Cache 4.5.2 Automatic Replace Member with Predicted Failure 4.5.3 Redundant Path with Load Balancing Support 4.5.4 Failed Physical Disk Detection 4.5.5 Using Replace Member and Revertible Hot Spares 4.5.6 Enclosure Affinity 4.5.7 Battery Back-up of Controller Cache The replacement drive must be of equal or greater capacity than the one it is replacing. 4.5.7.1 Battery Management 4.5.7.2 Battery Learn Cycle 4.7 Disk Roaming 4.8 Disk Migration 4.9.2 Configuring and Managing Secured RAID Dell OpenManage Storage Management BIOS Configuration Utility 4.10 Virtual Disk Write Cache Policies 4.11 Virtual Disk Read Cache Policies Always Read AheadRead-Ahead capability allows the controller to read sequentially ahead 5 RAID Overview 5.3.2 RAID 1 (Mirroring) 5.3.3 RAID 5 (Striping With Distributed Parity) = 5.3.4 RAID 6 (Striping With Dual Distributed Parity) 5.3.5 RAID 10 (Striping over Mirrored Sets) 5.3.6 RAID 50 (Striping Across RAID 5) = 5.3.7 RAID 60 (Striping Across RAID 6) Page Dell Appendix A. Additional Resources Table 9. Resource Contact Information and Descriptions