4.6Fault Tolerance Features

Table 4.4 lists the fault tolerance features.

Table 4.4

Fault Tolerance Features

 

 

 

Specification

 

Feature

 

 

Support for SMART

Yes

 

 

Optional battery backup for cache

Standard. Provided on the MegaRAID

memory

 

Controller. Up to 72 hours data retention

 

 

Enclosure management

SCSI-accessed fault-tolerant enclosure

 

 

(SAF-TE) compliant

 

 

Drive failure detection

Automatic

 

 

Drive rebuild using hot spares

Automatic and transparent

 

 

Parity generation and checking

Software and hardware

 

 

 

4.7Software Utilities

 

Table 4.5 lists the software utility features.

 

 

Table 4.5

Software Utilities

 

 

 

 

 

 

 

Specification

 

 

Feature

 

 

 

 

 

FlexRAID reconfiguration on the fly

 

Yes

 

 

 

 

 

FlexRAID RAID level migration on the fly

 

Yes

 

 

 

 

 

FlexRAID online capacity expansion

 

Yes

 

 

 

 

 

Remote configuration and management over the Internet

 

Yes

 

 

 

 

 

Graphical user interface

 

Yes

 

 

 

 

 

Diagnostic utility

 

Yes

 

 

 

 

 

Management utility

 

Yes

 

 

 

 

 

Bootup configuration using MegaRAID Manager

 

Yes

 

 

 

 

 

Online read, write, and cache policy switching

 

Yes

 

 

 

 

 

4-6

Features

 

 

 

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