Instruction/ maintenance manual of the product POWEREDGE RADI H700 Dell
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Dell PowerEdge RAID Controller Cards H700 and H800 Technical Guide Enterprise-class controllers designed for performance , reliability, a nd fault toleran ce.
Dell DELL PERC H700 and H800 Technica l Guide 2 This documen t is for info rmationa l purposes only. Dell reserves the right to make changes without further notice to a ny produ cts herein. The cont ent provide d is as is and without express or implied warranties of any kind.
Dell DELL PERC H700 and H800 Technica l Guide 3 Table of Contents 1 Product Compa rison ........................................................................................... 5 1.1 Overview ........................................................
Dell DELL PERC H700 and H800 Technica l Guide 4 5.3.5 RAID 10 (Striping over Mirrored Set s) ......................................................... 25 5.3.6 RAID 50 (Striping Across RAID 5) ..........................................................
Dell DELL PERC H700 and H800 Technica l Guide 5 1 Product Compari son 1.1 Overview The PERC H700 (i nternal) and PERC H800 (extern al) RAID controllers ma rk t he next stage in the evolutio n o f the Dell ™ Power Edge™ RAID controlle r portf olio with t he introduction o f 6Gb/s SAS (S AS 2.
Dell DELL PERC H700 and H800 Technica l Guide 6 1.2 PERC H700 Overview The PERC H700 interna l host-RAID produ ct offers three different mode ls to su pport 11 th Generation Dell PowerEdge servers: The PERC H700 Integrated card with tw o x4 internal mi ni-SAS ports supp orts the PCIe 2.
Dell DELL PERC H700 and H800 Technica l Guide 7 Figure 2. PERC H700 Modular 1.3 PERC H800 Overview The PERC H800 externa l host-RAID produ ct is supp orted with 11 th Generatio n Dell PowerEdge servers for expanding st orage to the D ell ™ PowerVault ™ MD1200 and MD1220 6Gb/s SA S enclosures.
Dell DELL PERC H700 and H800 Technica l Guide 8 Figure 3. PERC H800 Adapter.
Dell DELL PERC H700 and H800 Technica l Guide 9 2 New F eatures 2.1 Overview The PERC H700 and PE RC H800 o ffer the new Ca cheCade feat ure: • Produces cost-effe ctive perform ance scaling fo r dat.
Dell DELL PERC H700 and H800 Technica l Guide 10 Other new features of the 6Gb /s SAS controlle rs will offer impro ved sign al integrit y and additional safeguards to enhance data prot ection wit h support for SED (Self-Encrypt ing Drive) techno logy.
Dell DELL PERC H700 and H800 Technica l Guide 11 3 Product Support 3.1 Dell PowerEdge Server Support The Dell PERC H700 and PERC H800 are supported wit h 11 th Generation Dell™ PowerEdge ™ servers . Refer to Table 1 for the 11 th Generatio n PowerEdge servers t hat suppo rt the PERC H700 and PE RC H800.
Dell DELL PERC H700 and H800 Technica l Guide 12 Table 5. Operatin g System Su pport wit h PERC H700 and PERC H800 Supported Operating Sys tems Microsoft ® Windows Se rver ® 2003 Family Microsoft Windows Server 2008 Family Microsoft Windows Server 2008 R2 Red Hat ® Enterprise Li nux ® Version 4 and V ersion 5 RHEL 4.
Dell DELL PERC H700 and H800 Technica l Guide 13 4 Product Overv i ew 4.1 PERC H700 and PERC H800 Overview Table 7. PERC H70 0 and PERC H800 Featur es Feature PERC H700 Integrated/Ad apter PERC H700 M.
Dell DELL PERC H700 and H800 Technica l Guide 14 Feature PERC H700 Integrated/Ad apter PERC H700 Modular PERC H800 Adapte r Physical Disk Power Management Yes Yes Yes RAID Level Migration Yes Yes Yes .
Dell DELL PERC H700 and H800 Technica l Guide 15 Feature PERC H700 Integrated/Ad apter PERC H700 Modular PERC H800 Adapte r Clustering Card and software stack enables Hig h Availability Clusters Not supported 4.
Dell DELL PERC H700 and H800 Technica l Guide 16 Table 8. RAID L evel Migrati on Source RAID Level Target RAID Level # of Physical Drives (Beginning) # of Physical Drives (End) Capacity Expansion Possible Description RAID 0 RAID 1 1 2 No Converting non- redundant virt ual disk into a mirrored v irtual disk by adding one drive.
Dell DELL PERC H700 and H800 Technica l Guide 17 Physical disk rebuild using ho t spar es Enclosure affinit y Parity gene ration and checkin g (for RAID 5, 50 , 6, and 60 onl y) Battery ba ckup of contro ller cache to prot ect dat a Detectio n of batteries with lo w charge after boo t up 4.
Dell DELL PERC H700 and H800 Technica l Guide 18 being a ready ho t spare. This al lows hot sp ares to remain in specific enclo sure slots. Whi le the controller is reverti ng the hot spare, the virtual disk remain s optima l.
Dell DELL PERC H700 and H800 Technica l Guide 19 4.7 Disk Roaming The PERC H700 and H80 0 cards support mo ving ph ysical disks from one cable conne ction or backplane slo t to anot her on the same controller .
Dell DELL PERC H700 and H800 Technica l Guide 20 4.10 Virtual Disk Write Cache Policies The write cache poli cy o f a virtual disk det ermines how the controller ha ndles writ es to that virtual disk. Write-Back and W rite-Throug h are the two w rite cache poli cies and can be set on virtual disks individuall y.
Dell DELL PERC H700 and H800 Technica l Guide 21 5 RAID Overv ie w 5.1 About RAID RAID is a way of storing data on mul tiple independen t physical disk s for the purpose o f enhanced performance and/o r fault to lerance. The physica l disks combi ne to make up what is called a virtua l disk.
Dell DELL PERC H700 and H800 Technica l Guide 22 For example, a four -drive virtua l disk may be co nfigured wit h 16 stripes (four st ripes of designa ted space per drive). Stripes A, B, C and D are located on cor respondin g hard drives 0, 1, 2, and 3.
Dell DELL PERC H700 and H800 Technica l Guide 23 Figure 5. Example of RAID 1 (Mirrorin g) A dvantages of RA ID 1 High performance up to tw ice the read transa ction rate of sing le disks, a nd the.
Dell DELL PERC H700 and H800 Technica l Guide 24 Figure 6. Example of RAID 5 (Single Vi rtual Disk wi th 5 drives) A dvantages of RA ID 5 Most efficient use of drive capacit y of all the redunda n.
Dell DELL PERC H700 and H800 Technica l Guide 25 Figure 7. Example of RAID 6 (Single Vi rtual Disk wi th 5 drives) A dvantages of RA ID 6 Can survive the lo ss of t wo disks wit hout losing data .
Dell DELL PERC H700 and H800 Technica l Guide 26 Figure 8. Example of RAID 10 (1 + 0) Advantages of RAI D 10 RAID 10 has the sam e redu ndancy as RAID le vel 1 High I/O rates are achieved by s.
Dell DELL PERC H700 and H800 Technica l Guide 27 Figure 9. Example of RAID 50 (5 + 0) Advantages of RAI D 50 Allows creatio n of largest RAID g roups, up to 25 6 drives (theo retical; larg e RAID .
Dell DELL PERC H700 and H800 Technica l Guide 28 Figure 10. Example of RAID 60 (6 + 0) Advantages of RAI D 60 Allows creatio n of largest RAID g roups, up to 25 6 drives (theo retical); lar ge RAI.
Dell DELL PERC H700 and H800 Technica l Guide 29 Appendix A. Additional R e sources Table 9. Resource Con tact Infor mation and Description s Type Of Information URL Description PERC Resources http://www.dell.com/ PERC Support matrix, white papers, and important li nks PERC Hardware Owner’s Manual http://support.
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