Dell manual Perc H800 Overview, Perc H700 Modular

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Dell

Figure 2. PERC H700 Modular

1.3PERC H800 Overview

The PERC H800 external host-RAID product is supported with 11th Generation Dell PowerEdge servers for expanding storage to the Dell™ PowerVault™ MD1200 and MD1220 6Gb/s SAS enclosures.

The PERC H800 Adapter with two x4 external mini-SAS ports supports the PCIe 2.0 x8 host interface. Cache options include the standard 512 MB transportable battery backup unit (TBBU) and the transportable 512 MB and 1 GB non-volatile cache. The PERC H800 Adapter is installed in a PCIe slot in the server. See Figure 3 for an angled view of the PERC H800 adapter.

DELL PERC H700 and H800 Technical Guide

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Contents Dell PowerEdge RAID Controller Cards March Table of Contents Appendix a TablesOverview Product ComparisonPerc H700 Integrated Additional Sled for PCIe Slot Perc H700 OverviewPerc H700 Modular Perc H800 OverviewPerc H800 Adapter 6Gb/s SAS SAS 2.0 Overview New FeaturesSAS Performance Details Gb/s SAS SAS 2.0 Features1 6Gb/s SAS Performance Benefit over 3Gb/s SAS 2 6Gb/s SAS ExpectationManagement Software Support Dell PowerEdge Server SupportPowerEdge Server Support with Perc H700 and Perc H800 Product SupportOperating System Support with Perc H700 and Perc H800 Drive SupportDrive Support Product Overview Perc H700 and Perc H800 FeaturesPerc H700 and Perc H800 Overview Power Management RAID Level CacheCade Reconfiguring Virtual DisksCut-Through IO RAID Level Migration Fault-Tolerance FeaturesNon-Volatile Cache Using Replace Member and Revertible Hot SparesAutomatic Replace Member with Predicted Failure Physical Disk Hot Swapping Battery Back-up of Controller CacheEnclosure Affinity Perc H700 and H800 Security Key and RAID Management Configuring and Managing Secured RAIDDisk Roaming Disk MigrationVirtual Disk Read Cache Policies Virtual Disk Write Cache PoliciesAdvantages of RAID RAID 0 Striped Virtual Disk without Fault ToleranceRAID Overview About RAIDExample of RAID Advantages of RAID RAID 1 MirroringExample of RAID 1 Mirroring RAID 5 Striping With Distributed ParityDrive RAID 6 Striping With Dual Distributed ParityExample of RAID 6 Single Virtual Disk with 5 drives RAID 10 Striping over Mirrored SetsDisadvantages of RAID RAID 50 Striping Across RAIDExample of RAID 50 5 + Advantages of RAID RAID 60 Striping Across RAIDExample of RAID 60 6 + Advantages of RAID Resource Contact Information and Descriptions Appendix A. Additional Resources