10 Introduction
Cluster Storage
Table 1-2 provides the configuration requirements for the shared storage
system.
NOTE: RAID 0 and independent disks can be used but are not recommended for a
high-availability system because they do not offer data redundancy if a disk
failure occurs.
Cluster Storage Management Software
Dell PowerVault Modular Disk Storage Manager
The software runs on the management station or any host attached to the
array to centrally manage the PowerVault MD3600f and MD3620f RAID
enclosures. You can use Dell PowerVault Modular Disk Storage Manager
(MDSM) to perform tasks such as creating disk groups, creating and mapping
virtual disks, monitoring the enclosure status, and downloading firmware.
Table 1-2. Cluster Storage Requirements
Hardware
Components
Minimum Requirement
Supported storage
systems
• One Dell PowerVault MD3600f or MD3620f RAID enclosure.
• Any combination of up to seven Dell PowerVault MD1200
and/or MD1220 expansion enclosures.
NOTE: The number of hard drives must not exceed 96.
Cluster nodes All nodes must be directly attached to a single storage system
or attached to one or more storage systems through a SAN.
Switch and cable At least two 8 Gbps Fibre Channel switches in a SAN-attached
environment.
Power and cooling
requirements
Two integrated hot-swappable power supply/cooling fan
modules.
Physical disks At least two physical disks in the PowerVault MD3600f or
MD3620f RAID enclosure.
Multiple clusters and
stand-alone systems
In a switch-attached configuration, clusters and stand-alone
systems can share one or more PowerVault MD3600f or
MD3620f systems.
book.book Page 10 Monday, July 25, 2011 3:18 PM
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