Dell PowerVault 220S Manual

Also see for PowerVault 220S: Installation guide Manual Notice Updating firmware Service manual

Dell PowerVault 220S Manual Manual pdf 15 page image

A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02PAGE 15 11/17/2005(SCSI) host adapter with RAID control capabilities. It provides reliable fault-tolerant disksubsystem management and is an ideal RAID solution for internal storage in Dell'sPowerEdge enterprise systems. The RAID controller offers a cost-effective way toimplement RAID in a server.Dell is currently offering its fourth generation of RAID controllers, the PERC 4e family,supporting the industry standard Ultra320 SCSI storage interconnect. PERC 4e RAIDcontrollers support the PCI-Express host interconnects for maximum bandwidthconnectivity & expandability. The PERC 4e family of controllers includes the PERC 4e/SIand PERC 4e/DI for RAID On Motherboard solutions and the PERC 4e/DC add-in HBA.The following matrix describes the benefits of each solution.Previous generations of PERC have included the PERC 2, PERC 3 and PERC 4 families.The following PERC solutions support the PowerVault 220S and 221S External SCSIStorage solution:• Table 3-1: PERC Solution supported by PV22xSMaximumSpeedCard80 MB/s PERC 2/DCPERC 2/QC160 MB/s 39160 HBAPERC 3/DCPERC 3/QC320 MB/s PE 2600 ROMB (PERC 4/Di on this server)PE 1750 ROMB (PERC 4/Di on this server)PERC 4/SCPE 2800 ROMB (PERC 4e/Di on this server)PE 2850 ROMB (PERC 4e/Di on this server)PE 6800 ROMB (PERC 4e/Di on this server)PE6850 ROMB (PERC 4e/Di on this server)PERC 4/DC (PCI, dual channel U320 RAID add-in HBA)PERC 4e/DC (PCI-Express, dual channel U320 RAID add-in HBA)SCSI CablingHBA and PERC controllers support a low-voltage differential (LVD) SCSI bus. LVDenables cables up to 12 meters long. Throughput on each SCSI channel can be as highas 320 MB/sec.