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190 Storage Center 5.5 System Manager User Guide
Controllers
Viewing SAS Cards
Serial Attached SCSI (SAS) cards use arbitrated bus technology. Each port contains four
separately-arbitrated lanes. Each lane can perform concurrent IO transactions at
3 Gb/sec. This provides an aggregate port rate of 12 Gb/sec.
A SAS card connects to a SAS enclosure. It is a back-end only connection.
Viewing SAS Folders
To view a list of SAS adapter cards on a controller
In the system tree, expand controllers and IO cards to view the SAS folder. The SAS status
window appears. The folder displays
• Name
• Status
• Slot Type
• Speed
• Phy Lane Status
• Slot
• Slot Port
• Network
• Usage
• Device Name
• Description
• World Wide Name