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1.6.1
SAS Features
1-10
•
Advanced array configuration and management utilities
•
Online RAID level migration
•
Drive migration
•
Drive roaming
•
Media scan
•
No reboot necessary after expansion
•
More than 200 Qtags per array
•
Hardware clustering support on the board
•
User-specified rebuild rate
•
32-Kbyte nonvolatile random access memory (NVRAM) for storing
RAID system configuration information; the MegaRAID SAS firmware
is stored in flash ROM for easy upgrade.
The following list describes the SAS features of the ServeRAID-MR10M
controller:
•
Provides eight fully independent PHYs
•
Supports 3.0 Gbit/s SAS data transfers per PHY
•
Supports SSP to enable communication with other SAS devices
•
Supports SMP to communicate topology management information
•
Provides a serial, point-to-point, enterprise-level storage interface
•
Simplifies cabling between devices
•
Provides a scalable interface that supports up to 216 devices
through the use of expanders
•
Supports wide ports consisting of 2, 3, or 4 PHYs within a single
quad port
•
Supports narrow ports consisting of a single PHY
•
Transfers data using SCSI information units
Overview
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