Dell PowerVault MD3660f Owner's Manual - Page 15

Controller Modules, MD3260 SAS RAID Controller Module Features And Indicators

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2 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 Icon Connector 1 Serial debug port 2 Ethernet management port 3 Password reset switch 4 Battery fault indicator 5 Cache active or cache offload indicator Description Dell support only. Provides a 100/1000 Mbps Ethernet connection for out-of-band management of the enclosure. Pressing this switch resets the password. The battery fault indicator lights amber when battery backup unit or battery has failed. The cache active or cache offload indicator lights green when on-board controller memory contains data. 15

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2
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.
15