Ta b l e 4 - 4 . A r r a y Pe r f o r m a nc e Fe at u r e s (continued)

Specification

Feature

 

 

Maximum scatter/gathers

26 elements

 

 

Maximum size of I/O requests

6.4 MB in 64 KB stripes

 

 

Maximum queue tags per drive

As many as the drive can accept.

 

 

Stripe sizes

2 KB, 4 KB, 8 KB, 16 KB, 32 KB,

 

64 KB, or 128 KB

 

 

Maximum number of concurrent

255

commands

 

 

 

Support for multiple initiators

Yes

 

 

PERC 3/SC Fault Tolerance Features

The PERC 3/SC fault tolerance features are shown in Table 4-5.

Ta b l e 4 - 5 . P E R C 3 / S C Fa u l t To l er an c e Fea t ur e s

Specification

Feature

 

 

Support for SMART

Yes

 

 

Drive failure detection

Automatic

 

 

Drive rebuild using hot spares

Automatic

 

 

Manual replacement of drives without system

Yes

shutdown

 

 

 

Parity generation and checking

Yes

 

 

Software Utilities

The PERC 3/SC software utilities are shown in Table 4-6.

Ta b l e 4 - 6 . S o f t w a r e U t i l i t i e s Fe at u r e s

Specification

Feature

 

 

Graphical user interface

Yes

 

 

Management utility

Yes

PERC 3/SC Features

57

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Image 59
Dell Perc 3/SC Fault Tolerance Features, Software Utilities, Perc 3/SC fault tolerance features are shown in Table