Avago Technologies MegaRAID SCSI 320-0 (520-0 CH) User Manual
Page 23
Hardware
1-7
Copyright © 2003-2008 by LSI Corporation. All rights reserved.
Cache Function Write-back,
Write-through,
Adaptive
Read Ahead,
Non-Read
Ahead,
Read Ahead,
Cache I/O,
Direct I/O
Write-back,
Write-through,
Adaptive
Read Ahead,
Non-Read
Ahead,
Read Ahead,
Cache I/O,
Direct I/O
Write-back,
Write-through,
Adaptive
Read Ahead,
Non-Read
Ahead,
Read Ahead,
Cache I/O,
Direct I/O
Write-back,
Write-through,
Adaptive
Read Ahead,
Non-Read
Ahead,
Read Ahead,
Cache I/O,
Direct I/O
Write-back,
Write-through,
Adaptive
Read Ahead,
Non-Read
Ahead,
Read Ahead,
Cache I/O, Direct
I/O
Multiple Logical
Drives/Arrays
per Controller
Up to 40 logical
drives per
controller or per
logical array
Up to 40 logical
drives per
controller or per
logical array
Up to 40 logical
drives per
controller or per
logical array
Up to 40 logical
drives per
controller or per
logical array
Up to 40 logical
drives per
controller or per
logical array
Online Capacity
Expansion
Yes
Yes
Yes
Yes
Yes
Dedicated
and Pool Hot
Spare
Yes
Yes
Yes
Yes
Yes
Hot Swap
Devices
Supported
Yes
Yes
Yes
Yes
Yes
Non-Disk
Devices
Supported
Yes
Yes
Yes
Yes
Yes
Mixed Capacity
Hard Disk
Drives
Yes
Yes
Yes
Yes
Yes
Number of
16-Bit Internal
Connectors
1
2
2
2
2
Number of
16-Bit External
Connectors
1
2
2
2
4
Cluster Support No
Yes
Yes
Yes
Yes
Hardware
Exclusive OR
(XOR)
Assistance
Yes
Yes
Yes
Yes
Yes
Direct I/O
Yes
Yes
Yes
Yes
Yes
Architecture
Fusion-MPT
Fusion-MPT
Fusion-MPT
Fusion-MPT
Fusion-MPT
Table 1.1
MegaRAID 320 Storage Adapter Comparisons (Cont.)
Specification
MegaRAID
320-1
MegaRAID
320-2
MegaRAID
320-2E
MegaRAID
320-2X
MegaRAID
320-4X