Dell POWEREDGE RADI H800 user manual

User manual for the device Dell POWEREDGE RADI H800

Device: Dell POWEREDGE RADI H800
Category: Computer Accessories
Manufacturer: Dell
Size: 1.1 MB
Added : 3/16/2014
Number of pages: 29
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Abstracts of contents
Summary of the content on the page No. 1


Dell PowerEdge RAID
Controller Cards
H700 and H800
Technical Guide


Enterprise-class
controllers
designed for
performance,
reliability, and
fault tolerance.

Summary of the content on the page No. 2

Dell This document is for informational purposes only. Dell reserves the right to make changes without further notice to any products herein. The content provided is as is and without express or implied warranties of any kind. Dell, PowerEdge, PowerVault, and OpenManage are trademarks of Dell, Inc. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Re

Summary of the content on the page No. 3

Dell Table of Contents 1 Product Comparison ........................................................................................... 5 1.1 Overview .................................................................................................. 5 1.2 PERC H700 Model Overview ............................................................................. 6 1.3 PERC H800 Model Overview ............................................................................. 7 2 New Features .........

Summary of the content on the page No. 4

Dell 5.3.5 RAID 10 (Striping over Mirrored Sets) ......................................................... 25 5.3.6 RAID 50 (Striping Across RAID 5) ............................................................... 26 5.3.7 RAID 60 (Striping Across RAID 6) ............................................................... 27 Appendix A. Additional Resources .......................................................................... 29 Tables Table 1. Comparison of PERC H700 and PERC H800 to pr

Summary of the content on the page No. 5

Dell 1 Product Comparison 1.1 Overview The PERC H700 (internal) and PERC H800 (external) RAID controllers mark the next stage in the evolution of the Dell™ PowerEdge™ RAID controller portfolio with the introduction of 6Gb/s SAS (SAS th 2.0). PERC H700 and H800 will be supported in PowerEdge 11 Generation servers. The PERC H700 is follow-on to the PERC 6/I, and the PERC H800 is the follow-on to the PERC 6/E. Table 1. Comparison of PERC H700 and PERC H800 to previous PERC 6/I and PERC 6/E

Summary of the content on the page No. 6

Dell 1.2 PERC H700 Overview th The PERC H700 internal host-RAID product offers three different models to support 11 Generation Dell PowerEdge servers:  The PERC H700 Integrated card with two x4 internal mini-SAS ports supports the PCIe 2.0 x8 host interface. Cache options include standard 512 MB with battery backup unit (BBU), 512 MB non-volatile (NV) cache, or 1 GB non-volatile cache. The PERC H700 Integrated card is installed in the dedicated internal storage slot of the server. Se

Summary of the content on the page No. 7

Dell Figure 2. PERC H700 Modular 1.3 PERC H800 Overview th The PERC H800 external host-RAID product is supported with 11 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

Summary of the content on the page No. 8

Dell Figure 3. PERC H800 Adapter DELL PERC H700 and H800 Technical Guide 8

Summary of the content on the page No. 9

Dell 2 New Features 2.1 Overview The PERC H700 and PERC H800 offer the new CacheCade feature: • Produces cost-effective performance scaling for database-type applications • Offloads Random Reads to Dell-qualified Enterprise SSD configured as CacheCade SSD • Has a standard feature of 1 GB NV cache (PERC H700/H800) The PERC H700 and PERC H800 continue to offer the following features: • 512 MB and 1 GB non-volatile cache (not supported on H700 modular) o Data retention in cache is extende

Summary of the content on the page No. 10

Dell Other new features of the 6Gb/s SAS controllers will offer improved signal integrity and additional safeguards to enhance data protection with support for SED (Self-Encrypting Drive) technology. Table 2. 6Gb/s SAS (SAS 2.0) Features DAS-based Server Storage 6Gb/s Throughput  3Gb/s Compatible  Standard Mini-SAS Connectors (SFF-8087  and SFF-8088) DFE (Decision Feedback Equalization)  improved signaling SSC (Spread Spectrum Clocking) reduced  radiated emissions Enhanced

Summary of the content on the page No. 11

Dell 3 Product Support 3.1 Dell PowerEdge Server Support th The Dell PERC H700 and PERC H800 are supported with 11 Generation Dell™ PowerEdge™ servers. th Refer to Table 1 for the 11 Generation PowerEdge servers that support the PERC H700 and PERC H800. For the latest Dell PERC support matrix with Dell PowerEdge servers, visit the PERC web page at www.dell.com/PERC. Table 4. PowerEdge Server Support with PERC H700 and PERC H800 PERC H700 Internal PERC H700 PERC H700 Internal PERC H800 E

Summary of the content on the page No. 12

Dell Table 5. Operating System Support with PERC H700 and PERC H800 Supported Operating Systems ® ® Microsoft Windows Server 2003 Family Microsoft Windows Server 2008 Family Microsoft Windows Server 2008 R2 ® ® Red Hat Enterprise Linux Version 4 and Version 5 RHEL 4.7 and later (32 and 64 bit) RHEL 5.3 and later (32 and 64 bit) ® Sun Solaris™ 10 (64-bit) ® ® ® Novell SUSE Linux Enterprise Server Version 10 (64-bit) and Version 11 (64-bit) SLES10 SP2 and later SLES11 GM and later ®

Summary of the content on the page No. 13

Dell 4 Product Overview 4.1 PERC H700 and PERC H800 Overview Table 7. PERC H700 and PERC H800 Features Feature PERC H700 PERC H700 Modular PERC H800 Adapter Integrated/Adapter RAID Levels 0, 1, 5, 6, 10, 50, 60 0, 1, 5, 6, 10 0, 1, 5, 6, 10, 50, 60 Ports 2 x4 internal 1 x4 integrated 2 x4 external mini-SAS wide SAS wide mini-SAS wide ports port ports Processor Dell adapter Dell adapter Dell adapter SAS RAID-on- SAS RAID-on- SAS RAID-on- Chip, 8-port Chip, 4 lanes Chip, 8-port with L

Summary of the content on the page No. 14

Dell Feature PERC H700 PERC H700 Modular PERC H800 Adapter Integrated/Adapter Physical Disk Yes Yes Yes Power Management RAID Level Yes Yes Yes Migration On-line Capacity Yes Yes Yes Expansion Non-Volatile Cache Yes No Yes SMART Support Yes Yes Yes Redundant Path N/A N/A Yes Support Dedicated and Yes Yes Yes Global Hot Spares Revertible Hot Yes Yes Yes Spares Hot Swap Devices Yes Yes Yes Disk Roaming Yes Yes Yes Disk Migration Yes Yes Yes SED Support Yes Yes Yes Mixed Cap

Summary of the content on the page No. 15

Dell Feature PERC H700 PERC H700 Modular PERC H800 Adapter Integrated/Adapter Clustering Card and software Not supported stack enables High Availability Clusters 4.2 CacheCade CacheCade provides cost-effective performance scaling for database-type application profiles in a host-based RAID environment by extending the PERC RAID controller cache with the addition of Dell- qualified Enterprise SSDs. CacheCade identifies frequently-accessed areas within a data set and copies this data to

Summary of the content on the page No. 16

Dell Table 8. RAID Level Migration Source RAID Target RAID # of Physical # of Physical Capacity Description Level Level Drives Drives (End) Expansion (Beginning) Possible RAID 0 RAID 1 1 2 No Converting non- redundant virtual disk into a mirrored virtual disk by adding one drive. RAID 0 RAID 5 1 or more 3 or more Yes At least one drive needs to be added for distributed parity data. RAID 0 RAID 6 1 or more 4 or more Yes At least two drives need to be added for dual distributed p

Summary of the content on the page No. 17

Dell  Physical disk rebuild using hot spares  Enclosure affinity  Parity generation and checking (for RAID 5, 50, 6, and 60 only)  Battery backup of controller cache to protect data  Detection of batteries with low charge after boot up 4.5.1 Non-Volatile Cache Dell PERC controllers with non-volatile (NV) cache use the standard battery as contained in the Dell PERC controllers with a battery back-up unit (BBU). The difference is in battery implementation:  The battery in the BBU

Summary of the content on the page No. 18

Dell being a ready hot spare. This allows hot spares to remain in specific enclosure slots. While the controller is reverting the hot spare, the virtual disk remains optimal. The controller automatically reverts a hot spare only if the failed drive is replaced with a new drive in the same slot. If the new drive is not placed in the same slot, a manual Replace Member operation can be used to revert a previously commissioned hot spare. 4.5.6 Enclosure Affinity Enclosure affinity is used to

Summary of the content on the page No. 19

Dell 4.7 Disk Roaming The PERC H700 and H800 cards support moving physical disks from one cable connection or backplane slot to another on the same controller. The controller automatically recognizes the relocated physical disks and logically places them in the proper virtual disks that are part of the disk group. Disk roaming can be performed only when the system is turned off. Disk roaming should not be performed during RAID level migration (RLM) or online capacity expansion (OCE). This

Summary of the content on the page No. 20

Dell 4.10 Virtual Disk Write Cache Policies The write cache policy of a virtual disk determines how the controller handles writes to that virtual disk. Write-Back and Write-Through are the two write cache policies and can be set on virtual disks individually. All RAID volumes will be presented as Write-Through (WT) to the operating system (Windows and Linux) independent of the actual write cache policy of the virtual disk. The PERC cards manage the data in cache independently of the op


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