Avago Technologies 3ware SAS 9750-4i - Manual (Page 23)

Fault Tolerance
www.lsi.com/channel/products 17
Fault Tolerance
Table 2 lists the fault tolerance features for the 9750 RAID
controller.
Table 2: Fault Tolerance Features
Specification 9750 RAID Controller
Support for SMART
1
1. The Self Monitoring Analysis and Reporting Technology (SMART)
detects up to 70 percent of all predictable drive failures. In addition,
SMART monitors the internal performance of all motors, heads, and
drive electronics.
Yes
Optional battery backup unit
for cache memory Optional LSI iBBU07 battery backup
unit.
< 3.7 V/1350 mAH battery pack;
up to 72 hours of data retention for
512 Mbytes
Drive failure detection Automatic
Drive rebuild using hot spares Automatic
Parity generation and
checking Yes
RAID Levels 1, 5, 6, 10, 50 Yes