IBM DS3500, Введение и руководство по внедрению

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Chapter 2. Introduction to IBM System Storage DS3500
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Draft Document for Review March 28, 2011 12:24 pm
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򐂰 Support for greater capacity with new larger capacity SAS drive offerings.
Figure 2-2 and Figure 2-3 show the front view of both chassis models of these subsystems.
Figure 2-2 DS3512 or EXP3512 subsystem assembly from the front view
Figure 2-3
DS3524 or EXP3524 servers assembly from the front view
2.2.1 DS3512 and DS3524 Components
The DS3500 storage server is a 2U rack mountable enclosure, containing either one or two
RAID controller modules, two power supplies and up to twelve or twenty four disks modules.
See Figure 2-4 for the component layouts.
Figure 2-4 DS 3500 components
RAID controller
RAID controllers support RAID levels 0, 1, 3, 5, 6, and 10. Each controller has 1GB
(upgradeable to 2GB) of user data cache with battery backup. The battery provides power to
allow for the cache to be destaged to the SD flash card if power is disrupted.