Technical Specifications
3-13
Copyright © 2003 by LSI Logic Corporation. All rights reserved.
3.3.2
Array Performance Features
Table 3.7
shows the MegaRAID 320 array performance features:
3.3.3
Fault Tolerance
Table 3.8
shows the MegaRAID 320 fault tolerance features:
Table 3.7
Array Performance Features
Specification
MegaRAID
320-1
MegaRAID
320-2
MegaRAID
320-2X
MegaRAID
320-4X
PCI Host Data
Transfer Rate
533 Mbytes/s
800 Mbytes/s
1064 Mbytes/s
1064 Mbytes/s
Drive Data Transfer
Rate
320 Mbytes/s
320 Mbytes/s
320 Mbytes/s
320 Mbytes/s
Maximum
Scatter/Gathers
26 elements
26 elements
26 elements
26 elements
Maximum Size of I/O
Requests
6.4 Mbytes in
64 Kbyte stripes
6.4 Mbytes in
64 Kbyte stripes
6.4 Mbytes in
64 Kbyte stripes
6.4 Mbytes in
64 Kbyte stripes
Maximum Queue
Tags per Drive
As many as the
drive can accept
As many as the
drive can accept
As many as the
drive can accept
As many as the
drive can accept
Stripe Sizes
2, 4, 8, 16, 32,
64, or 128 Kbyte
2, 4, 8, 16, 32,
64, or 128 Kbyte
2, 4, 8, 16, 32,
64, or 128 Kbyte
2, 4, 8, 16, 32,
64, or 128 Kbyte
Maximum Number of
Concurrent
Commands
255
255
255
255
Support for Multiple
Initiators
Yes
Yes
Yes
Yes
Table 3.8
MegaRAID 320 Fault Tolerance Features
Specification
MegaRAID
320-1
MegaRAID
320-2
MegaRAID
320-2X
MegaRAID
320-4X
Support for SMART
1
Yes
Yes
Yes
Yes
Optional Battery
Backup for Cache
Memory
Yes. Up to 72
hours data
retention.
Yes. Up to 72
hours data
retention.
Yes. Up to 72
hours data
retention.
Yes. Up to 72
hours data
retention.
Summary of Contents for MegaRAID 320
Page 1: ...User s Guide reliability English 2 MegaRAID 320 Storage Adapters ...
Page 4: ...iv Copyright 2003 by LSI Logic Corporation All rights reserved ...
Page 10: ...x Preface Copyright 2003 by LSI Logic Corporation All rights reserved ...
Page 14: ...xiv Copyright 2003 by LSI Logic Corporation All rights reserved ...
Page 16: ...xvi Copyright 2003 by LSI Logic Corporation All rights reserved ...
