Appendix A: Specifications
A-5
A.4
RAID Management
Specification
Configuration
•
Text-based firmware-embedded utility over
RS-232C through a DB-9 male to DB-9
female serial cable
•
LCD keypad panel
•
The Galaxy Array Manager program using
the management port (10/100BaseT) or in-
band connection over host links.
•
Menu-driven, text-based firmware-embedded
utility via telnet
•
http session with Embedded RAIDWatch that
resides in controller flash
Performance
Monitoring
Yes
Remote Control and
Monitoring
Yes
Event Broadcast/Alert
Yes (via GAM sub-module, the Notification
Manager utility, or the firmware-embedded
browser-based Embedded RAIDWatch)
Hardware Connection
over Ethernet or RS-232C via serial port
connection
Configuration on Disk
Configuration data stored on disks for logical
drive assemblies to exist after controller
replacement; basic settings, e.g., channel mode
settings, are stored on NVRAM. Applies to uses
such as Drive Roaming.
Failure Indicator
Via audible alarm, system LEDs, LCD keypad
panel, Galaxy Array Manager session, event
messages, or terminal emulation screen
A.5
Fault Tolerance Management
Specification
Drive S.M.A.R.T. support
Yes, with user-configurable detect-only,
clone-and-replace, and perpetual-clone
options. The S.M.A.R.T. feature depends
on HDD implementation.
CBM (Cache Backup Module)
Yes
Sensors and Module Presence
detection through an I
2
Yes, reported to firmware. Events
occurred in JBODs are reported through
SES commands via the SAS data links
back to the managing RAID enclosure.
C serial
bus.
Automatic Drive Failure
Detection
Yes
Automatic Rebuild on Spare
Drives
Yes
Regenerate Logical Drive
Parity
Yes
Bad Block Reassignment
Yes
Automatic Rebuild upon Failed
Drive Replacement
Yes