Dell PowerVault MD1220 Teknik El Kitabı - Sayfa 4
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Increased Capacity – Daisy chain up to 8 enclosures behind a PERC H800
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Increased Flexibility
Mix 2.5" (MD1220) and 3.5" (MD1200) enclosures behind a PERC H800
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Mix 2.5" and 3.5" drives in the MD1200**
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Supports SAS Drives only; HDDs at 7.2K, 10K, and 15K rpm and SSD**
3 System Overview
3.1 Customer driven product priorities
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Internal Storage no longer enough: Server storage running out, server applications are
beginning to bog down, need to move to an external, direct attach storage solution.
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Single Server Applications: Storage expansion for a single server where clustering and
availability are not concerns.
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Capacity Intensive Application Storage (MD1200): Looking for storage to support very a
large volume of data, great solutions for companies that need a low cost per GB for storage.
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Performance Intensive Application Storage (MD1220): Looking for storage to support very
high performance, transaction intensive applications like e-mail, database, OLTP (online
transition processing), and data warehousing.
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Space and Power Conservation (MD1220): Have space or power constraints and looking for
high efficiency per U of rack space
3.2 Product Positioning
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Dell™ PowerVault™ MD1200 direct attached storage array offers versatility and high capacity
storage for mainstream applications, with optimal performance in sequential (streaming)
applications.
Easy to expand your server capacity: The PowerVault™ MD1200 is engineered to
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seamlessly expand the capacity of PowerEdge™ servers. This expansion array can
support 12, 3.5 or 2.5 inch SAS HDDs or SSDs** drives in a 2U array and expands up to
8 arrays behind a single PERC H800 Host-RAID adapter.
Versatility and flexibility to meet most business needs: The PowerVault™ MD1200
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is Dell's most versatile direct attach storage array. With the ability to mix 2.5 inch and
3.5 inch enclosures behind a single PERC H800 Host-RAID adapter, combined with
support for 2.5 inch drives**, PowerVault™ MD1200 delivers capacity and performance
to support most customer deployments.
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Dell™ PowerVault™ MD1220, the energy-efficient, small-form-factor (SFF), 2.5-inch drive
expansion enclosure, provides the performance required for the most demanding applications in
a simple, energy-efficient direct-attached storage array.
Optimizing Performance, Enhancing Security While Doubling the Throughput: The
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PowerVault™ MD1220 leverages SAS 2.0 technology, which doubles the throughput
with a 6Gb/s SAS interface and offers performance optimization with automatic I/O load
balancing across redundant paths and enhanced security with new self-encrypting drive
(SED) support.
Improved efficiency: The PowerVault™ MD1220 improves energy efficiency over
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previous generation, with new 80PLUS(R) Silver Certified power supplies. This
enhancement augments the efficiencies already gained with 2.5-inch drives and variable
speed fans.
** Available in Q3 2010
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