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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
Table 4-5. PERC 3/SC Fault Tolerance Features
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
Table 4-6. Software Utilities Features
Specification Feature
Graphical user interface Yes
Management utility Yes
Table 4-4. Array Performance Features
(continued)
Specification Feature