index_B

B

backplane, 79, 99

backup operations

availability and, 380382

described, 490

NAS devices, 151, 174, 372

SAN devices, 256, 266

server-free, 248, 256

software for, 24, 485

tape media and, 266

tools for, 24, 485

backup service, 368

bandwidth

buses, 97, 101

data transfers, 22

described, 97, 490

I/O, 344345

PCI buses, 103

security and, 434435

serial connections, 111

storage networking and, 22

basic input/output (BIOS), 81

batch processing storage systems, 7173

benchmarks, 414417

best practices

security, 445450

storage networking, 488

BIOS (basic input/output), 81

BIOS microcode , 81

black box architecture, 133, 156

blade computing, 346, 490

BLCP (box level capacity planning), 277278

block devices, 146

block I/O operations, 337338, 342343

block size , 286

blocks, 92, 286, 491

boot files, 121

boot processes, 247

box level capacity planning (BLCP), 277278

bridges, 178179, 229231

buffers

hard disk controller, 70

host adapter, 70

I/O buffer pool, 146

RAM, 69, 91, 148

See also cache

bus mastering, 99

buses

address space, 98

arbitration scheme, 100

bandwidth, 97, 101

clock speed, 97

controller cache, 99100

cross-talk interference, 101

data width, 97

described, 491

differential, 101

electromagnetic interference, 9899

electro-mechanical, 9899

evolution of, 99

expansion, 9698

Firewire standard, 110111

I-bus, 97

internal, 97

interrupt processing, 98

I/O, 9798, 109113

operations, 99101

overview, 9699

parallel connections, 100101

PCI, 99, 103, 498

SCSI, 103105

shielding, 101

single-ended, 101

universal, 9697, 343346

USB standard, 110111

vs. networks, 101105

wide, 101

business application data

access to, 31

availability of, 3132

consolidation of, 31

NAS configurations, 31

scalability of access, 30

speed of access, 31

storage strategies, 416

business applications

benefits of storage networks on, 2832

building, 2528

data. See business application data

described, 491

design of, 416, 2526

enterprise applications, 2325

post-implementation analysis, 28

production mode, 26187

requirements document, 25

system implementation, 2528

testing, 2526

workloads and, 281284

business continuity, 353364