Fujitsu Siemens Computers MegaRAID 320, User Manual

Page: 20 / 79

1-4 Overview
Copyright © 2003 by LSI Logic Corporation. All rights reserved.
•
Support for up to 14 SCSI drives per channel on storage system with
SAF-TE enclosures (SCSI accessed fault-tolerant enclosures):
15 SCSI drives per channel for other configurations
•
32 Kbyte x 8 NVRAM for storing RAID system configuration
information; the MegaRAID 320 firmware is stored in flash ROM for
easy upgrade.
Note: The MegaRAID 320-1 does not support clustering.
1.3 Hardware
You can install the MegaRAID 320-1 and -2 in a computer with a
motherboard that has 5 V or 3.3 V, 32- or 64-bit PCI slots. You can install
the MegaRAID 320-2X and -4X in a computer with a motherboard that
has 3.3 V, 64-bit PCI-X slots.
The following subsections describe the hardware configuration and
configuration-on-disk for the MegaRAID 320 storage adapters.
1.3.1 Storage Adapter Configurations
Table 1.1 compares the configurations for the MegaRAID 320-1, -2, -2X,
and -4X storage adapters.
Table 1.1 MegaRAID 320 Storage Adapter Comparisons
MegaRAID 320-1 MegaRAID 320-2 MegaRAID 320-2X MegaRAID 320-4X
RAID Levels 0, 1, 5, 10, 50 0, 1, 5, 10, 50 0, 1, 5, 10, 50 0, 1, 5, 10, 50
SCSI Device Types Synchronous or
Asynchronous
Synchronous or
Asynchronous Synchronous or
Asynchronous Synchronous or
Asynchronous
Devices per SCSI
Channel Up to 15 Wide
SCSI devices Up to 15 Wide
SCSI devices Up to 15 Wide
SCSI devices Up to 15 Wide
SCSI devices
SCSI Channels 1 2 2 4
SCSI Data Transfer
Rate Up to 320
Mbytes/s per
channel Up to 320
Mbytes/s per
channel Up to 320
Mbytes/s per
channel Up to 320
Mbytes/s per
channel
SCSI Bus LVD or SE LVD or SE LVD or SE LVD or SE