Dell PowerVault MD3800f series 소유자 매뉴얼 - 페이지 12

{카테고리_이름} Dell PowerVault MD3800f series에 대한 소유자 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Dell PowerVault MD3800f series 47 페이지. Storage arrays
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Controller Modules

RAID Controller Modules

The RAID controller modules provide high-performance, advanced virtual disk configuration, and fault-

tolerant disk subsystem management. Each RAID controller module contains 4GB or 8GB of mirrored

cache for high availability and a battery-powered cache offload mechanism.

NOTE: The 8GB mirrored cache is an optional feature.

RAID controller modules provide the following data path and enclosure management functions:

•

Monitoring and controlling enclosure environment elements (temperature, fans, power supplies, and

enclosure LEDs)

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Controlling access to the physical disks

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Communicating enclosure attributes and states to the host server and management station

Each RAID controller module has multiple Fibre Channel (FC) ports (labeled FC IN) for host access. The

ports provide redundant host connections and support a high availability storage environment. Each port

must have a small form-factor pluggable (SFP) transceiver module installed for connectivity. Various

configurations can be utilized, in both single controller (simplex) and dual controller (duplex) modes, to

connect the storage enclosure to hosts depending on specific redundancy needs.

For information on cabling, see the MD3800f and MD3820f Series Storage Arrays Deployment Guide, at

dell.com/powervaultmanuals.

RAID Controller Module Connectors and Features

Figure 7. MD3800f and MD3820f Series Fibre Channel RAID Controller Module