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Thursday, 18 June 2009 13:00 |
The Dell? PowerEdge? M1000e modular blade enclosure offers a number of advantages over typical rack-mounted servers, including increased density, rapid deployment, reduced power and cooling requirements, reduced cabling, simplified management, and an advanced integrated I/O module architecture. Dell EqualLogic? PS Series Internet SCSI (iSCSI) storage area network (SAN) arrays, meanwhile, can also offer compelling benefits that make them well suited to support blade server deployments.Administrators can take any of several approaches to integrating PowerEdge M1000e enclosures with an EqualLogic SAN using the available Ethernet I/O modules?the Cisco Catalyst Blade Switch (CBS) 3130G, Cisco CBS 3030X, and Dell PowerConnect? M6220 switch?in the PowerEdge M1000e. One possible design consists of a multitiered Ethernet switch infrastructure, in which the EqualLogic SAN and a set of external switches are on one tier and the PowerEdge M1000e enclosures are on a separate tier. A second design uses the PowerEdge M1000e pass-through I/O modules with a set of external stackable switches such as the Cisco Catalyst 3750-E or Dell PowerConnect 6248. A third design relies only on the PowerEdge M1000e Ethernet switch I/O modules for the SAN.Each of these three strategies has its own trade-offs in cost, performance, complexity, and scalability. Ultimately, successful integration of a PowerEdge M1000e with an EqualLogic SAN hinges on a few criteria: the solution should provide full redundancy; enough inter-switch bandwidth to support hosting SAN traffic, inter-array management, and load balancing; and enough I/O and minimal latency between the blades and arrays to meet the requirements of the attached host applications. The PowerEdge M1000e enclosure along with external Ethernet switches can provide the flexibility and scalability necessary to build a high-performance virtualized storage architecture that can meet almost any storage need.
Source : http://www.dell.com/downloads/global/power/ps2q09-20090235-Ansley.pdf
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