Perc 3/sc fault tolerance features, Software utilities – Dell 3 User Manual
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PERC 3/SC Features
57
PERC 3/SC Fault Tolerance Features
The PERC 3/SC fault tolerance features are shown in Table 4-5.
Software Utilities
The PERC 3/SC software utilities are shown in Table 4-6.
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
commands
255
Support for multiple initiators
Yes
Ta b l e 4 - 5 . P E R C 3 / S C Fa u l t To l e r a n c e Fe a t u r e s
Specification
Feature
Support for SMART
Yes
Drive failure detection
Automatic
Drive rebuild using hot spares
Automatic
Manual replacement of drives without system
shutdown
Yes
Parity generation and checking
Yes
Ta b l e 4 - 6 . S o f t w a r e U t i l i t i e s Fe a t u r e s
Specification
Feature
Graphical user interface
Yes
Management utility
Yes
Ta b l e 4 - 4 . A r r a y P e r f o r m a n c e Fe a t u r e s
(continued)
Specification
Feature