Dell PowerVault MD3000i Panduan Peningkatan
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Halaman Cetak
Upgrading Your Dell™
PowerVault™ MD3000i From
Simplex to Duplex Mode
The Dell PowerVault MD3000i RAID enclosure supports both duplex
(dual-controller) and simplex (single-controller) configurations.
A duplex configuration allows for full redundancy between RAID controller
modules, non-I/O components, virtual disk paths, and physical disk paths.
A simplex configuration offers no redundancy between RAID controller
modules or physical disk paths.
Figure 1 illustrates both types of configuration.
Figure 1. Simplex vs. Duplex MD3000i RAID Storage Array (With Expansion)
Simplex MD3000i Storage Array
expansion
enclosures (2)
This document describes the steps used to upgrade your storage array from a
simplex configuration to a duplex configuration without taking the existing
storage array offline.
July 2007
slot 0
slot 1
Duplex MD3000i Storage Array
slot 1
slot 0