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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 2 GB of mirrored cache for high availability and is
protected by a battery powered cache offload mechanism. 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)
• Controlling access to the physical disks
• Communicating enclosure attributes and states to the host server and management station
MD3260 SAS RAID Controller Module Features And Indicators
Figure 8. MD3260 SAS RAID Controller Module Features and Indicators
Item Indicator, Button, or
Connector
Icon Description
1 Serial debug port Dell support only.
2 Ethernet management port Provides a 100/1000 Mbps Ethernet connection for out-of-band
management of the enclosure.
3 Password reset switch Pressing this switch resets the password.
4 Battery fault indicator The battery fault indicator lights amber when battery backup unit
or battery has failed.
5 Cache active or cache
offload indicator
The cache active or cache offload indicator lights green when
on-board controller memory contains data.
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