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ストレージ Dell PowerVault MD3220 SeriesのPDF テクニカルマニュアルブックをオンラインで閲覧またはダウンロードできます。Dell PowerVault MD3220 Series 40 ページ。 Storage arrays
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Dell PowerVault MD3220 Series テクニカルマニュアルブック
Technical Guide Book for PowerVault MD3200MD3220
Key features of SAS 2.0
6Gb/s SAS Signaling – doubles the transfer rate from 3Gb to 6Gb
DFE (Decision Feedback Equalization) – increases cable limit to 10m ( 2 – 4 is typical)
Supports SAS mini connectors (SFF-8088 and SFF-8087)
SSC (Spread Spectrum Clocking ) – ease of design implementation – reduce peak amplitude
of radiated emissions
Supports SED (Self-Encrypting Drive) with Instant Secure Erase
Delivers 2
Standardized Zoning
Expanded to 256
Discovery executed by SAS Expanders
Reduces time to discover large topologies
Figure 1.
Controller Architecture
The RAID controllers are the "engines" or the "brains" of the MD3200 and MD3220 storage arrays. They
perform the RAID calculations, control the I/O movement, communicate with the management client, store
nd
generation SAS Discovery
5