Filter
Top Products
Summary of SAS RAID Controller Characteristics 1-11
Copyright © 2009 by LSI Corporation. All rights reserved.
• Supports STP to enable communication with a SATA II device
through an attached expander
• Provides a serial, point-to-point, enterprise-level storage interface
• Simplifies cabling between devices
• Provides a scalable interface that supports up to 240 devices through
the use of expanders
Note:
The number of devices varies depending on the MegaRAID
product. Check the LSI web site (http://www.lsi.com) for
specific details about your product.
• 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
1.6.2 SAS Array Limitations
This section describes the array limitations of the MegaRAID 6Gb/s SAS
RAID controllers. These limitations include the number of drives
supported per controller, the maximum number of drives per controller,
and the maximum number of virtual drives allowed per controller.
Table 1.1 lists the array limitations for the 6Gb/s SAS RAID controllers.
Table 1.1 SAS RAID Controller Array Limitations
Specification
SAS 9240-4i
SAS 9240-8i
SAS 9260-4i
SAS 9260-8i
SAS 9261-8i
SAS 9280 4i/4e
SAS 9280-8e
Maximum virtual
drives per controller
16 16 64 64 64 64 64
Maximum drive groups
per controller
8 8 16 16 16 16 16
Maximum virtual
drives per drive group
16 16 16 16 16 16 16
Maximum drives per
drive group
16 16 32 32 32 32 32