Avago Technologies MegaRAID SCSI 320-0X (530) - Manual (Page 29)

Technical Specifications 3-5
Copyright © 2005 by LSI Logic Corporation. All rights reserved.
3.3.2 Array Performance Features
Table 3.4 displays the MegaRAID 320-0X array performance features:
3.3.3 Fault Tolerance Features
Table 3.5 displays the MegaRAID 320-0X fault tolerance features:
Table 3.4 Array Performance Features
Specification MegaRAID 320-0X
PCI Host Data Transfer Rate Up to 1064 Mbytes/s
Drive Data Transfer Rate Up to 320 Mbytes/s
Maximum Scatter/Gathers 26 elements
Maximum Size of I/O Requests 6.4 Mbytes in 64 Kbyte stripes
Maximum Queue Tags per Drive As many as the drive can accept
Stripe Sizes 2, 4, 8, 16, 32, 64, or 128 Kbyte
Maximum Number of Concurrent
Commands 255
Table 3.5 MegaRAID 320-0X Fault Tolerance Features
Specification MegaRAID 320-0X
Support for SMART
1
1. The Self Monitoring Analysis and Reporting Technology (SMART) detects
predictable disk drive failures. SMART also monitors the internal performance
of all motors, heads, and drive electronics.
Yes
Optional Battery Backup for
Cache Memory
2
2. The data retention time listed in the table is for 64 Mbyte of cache memory.
If the cache memory is larger than that, the data retention time is shorter.
Yes. Up to 72 hours data retention for
64 Mbyte.
Drive Failure Detection Automatic
Drive Rebuild Using Hot Spares Automatic
Parity Generation and Checking Yes