Avago Technologies MegaRAID SAS 8204ELP - Manual (Page 61)

Technical Specifications 3-17
Copyright © 2007 by LSI Corporation. All rights reserved.
3.3.3 Fault Tolerance
Table 3.8 lists the fault tolerance features for the MegaRAID 1078-based
SAS RAID controllers.
Table 3.8 Fault Tolerance Features
Specification
MegaRAID SAS 8704ELP, MegaRAID SAS
8708ELP, MegaRAID SAS 8708EM2,
MegaRAID SAS 8880EM2, and MegaRAID
SAS 8888ELP
Support for SMART
1
Yes
Optional battery backup for
cache memory MegaRAID SAS 8704ELP RAID controller and
MegaRAID SAS 8708ELP RAID controller:
- LSIiBBU05 battery backup.
<3.6V/880mAH battery pack; up to 72
hours of data retention for 128 Mbytes
MegaRAID SAS 8708EM2 RAID controller:
- LSIiBBU06 battery backup.
<3.7V/790mAH battery pack; up to 72
hours of data retention for 256 Mbytes
MegaRAID SAS 8880EM2 RAID controller:
- LSIiBBU07 battery backup.
<3.7V/1350mAH battery pack; up to 72
hours of data retention for 512 Mbytes
MegaRAID SAS 8888ELP RAID controller:
- LSIiBBU01 battery backup.
<3.6V/880mAH battery pack; up to 72
hours of data retention for 128 Mbytes
- LSIiBBU05 battery backup.
<3.6V/880mAH battery pack; up to 72
hours of data retention for 128 Mbytes
- LSIiTBBU03 battery backup.
3.7V/1350mAH 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