Dell PowerVault MD1120 Optimization Manual
Also see for PowerVault MD1 Series: User guide
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Contents
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A REFERENCE GUIDE FOR OPTIMIZING DELL™ POWERVAULT™ MD1XXX FAMILY SAS SOLUTION VER A02PAGE 10 6/16/2008• LSI 1078 SAS RAID-on-Chip• 256MB or 512MB of customized DDR2 667MHz, Error-Correcting Code (ECC) cache memory• 3 Gbps maximum speed for each SAS lane• Two external x4 (“by four”) SAS ports, each aggregating 4 SAS lanes for a total bandwidth perport of 12.0 Gbps• x8 PCI E host interface for a total bandwidth of 32.0 Gbps• Up to 72 hours of intelligent, transportable, battery-backed, cache memory (24-hour back-upfor 512MB memory)For detailed information on the PERC 5/E and PERC 5/E controllers, see section 6.SAS CablingThe PowerVault MD1xxx Family storage enclosures and the PERC 5/E and PERC 6/E controllerssupport industry standard 3.0 Gbps SAS cables in 0.6m (meter), 1m, 2m, and 4m cable lengths.Each cable supports x4 SAS connectors to deliver up to 12.0 Gbps of total bandwidth from the hostto the enclosure. Only Dell-qualified cables are supported for connecting the PowerVault MD1xxxFamily storage enclosures to the PERC 5/E and PERC 6/E controllers.Physical Drive SupportThe PowerVault MD1xxx Family storage expansion enclosures supports the latest SAS physicaldisks, currently specified as 3.0 Gbps SAS. SAS solutions from Dell include both 10,000 RPM and15,000 RPM spindle speeds and a variety of capacities to allow customers the maximum flexibility.The PowerVault MD1000 enclosure also supports 7200 RPM SATA drives, allowing for highercapacity than SAS drives.For the latest information on support for specific physical disks, please refer to the respectivePowerVault MD1000 and MD1120 System Support Matrices at the following links:For MD1000 - http://support.dell.com/support/edocs/systems/md1000/For MD1120 - http://support.dell.com/support/edocs/systems/md1120/Third Party Hardware SupportTo provide the best possible customer experience, Dell supports only hardware purchased directfrom Dell for the PowerVault MD1xxx Family and PERC 5/E and PERC 6/E controller. Delldeveloped server and storage solutions include many thousands person-hours of engineeringtesting and validation to ensure the highest product quality. For example, physical disks purchaseddirect from Dell may include features not generally available to the rest of the industry. As such,Dell supports only Dell tested and qualified hardware. Hardware purchased direct from Dell carriesthe full Dell system warranty and ensures full compatibility. Materials purchased from third-partyvendors for use in Dell systems are not covered under Dell warranty and may not deliver anacceptable customer experience.Server SupportThe PowerVault MD1xxx Family is supported on an broad line of Dell server systems. For thelatest information on support for specific servers, please refer to the respective PowerVaultMD1000 and MD1120 System Support Matrices at the following links: |
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