index_N

N

name server, 221223

NAS (Network Attached Storage), 129195

advantages, 1920, 317318

architecture, 131142

caveats, 47

complex file processing (Cfp), 153, 155

concepts, 3547

configurations. See NAS configurations

connectivity. See NAS connectivity

considerations, 132133

cost-effectiveness , 317318

data access, 4445

data protection and, 174

data sharing, 244

departmental architecture, 139140, 319, 324326

described, 132

design considerations, 320322, 363

devices. See NAS devices

enterprise architecture, 141142

evolution of, 3843

fault tolerant environments and, 375376

file I/O, 337338

file systems. See NAS file systems

hardware. See NAS devices

illustrated , 20, 30, 44, 46

integrating with SANs, 335350

Interent architecture, 139141

introduction to, 3638

I/O operations, 134137, 144152, 156, 339

memory, 137, 148

networks. See NAS networks

operating system. See NAS micro-kernel OS

operational overview, 4446

Plug and Play technology, 132

problems. See problem management

processing models, 152155, 172173

quality file processing (Qfp), 152154

RAID and, 168171

recovery operations, 372

security. See security

server component, 133134

similarities with SANs, 338341

simple file processing (Sfp), 152153

software. See NAS software

solutions. See NAS solutions

storage component, 134135

UNIX and, 159161

vs. SANs, 50, 201202, 336338

web-based storage, 139141

workloads. See NAS workloads

NAS configurations

business application data, 31

capacity planning and, 418

department, 139140, 319, 324326

enterprise-level , 141142, 149151, 319321

entry-level, 149

Internet, 139141, 319, 327329

LAN topologies, 177188

management, 386, 390391, 394395

mid-range, 149151

networks, 194195

specialized, 320, 322, 329330

types of, 139142

WAN topologies, 184188

workloads, 316330

NAS connectivity, 175195

hardware, 176188

LAN topologies, 177188

NAS appliances, 192193, 195

NAS Enterprise, 192195

NAS Mid-Range, 192193, 195

NAS Web, 192, 194195

networks, 138139, 180184, 186187

operational aspects, 193194

overview, 176

software, 189195

TCP/IP processing, 138139, 189193

WAN topologies, 184188

NAS devices, 143156

advantages, 176

application support and, 316

architecture, 133135, 151

backups , 151, 174, 372

configurations. See NAS configurations

connectivity. See NAS connectivity

data size , 4546

described, 144

early versions of, 39, 41

enterprise-level, 149151

entry-level, 149

I/O manager, 144152

I/O operations, 134137

I/O processing, 144152

major functions of, 172

marketing data, 184

memory, 148

mid-range, 149151

NAS sizing factor table, 136138

NAS workloads and, 154156

problems. See problem management

processing models, 152155, 172173

processor architecture, 146148

processor component, 146148

sales data, 184

serviceability, 398399

storage system element, 149152

UNIX environments, 43

upgrades, 394

Windows environments, 43

workloads for, 173174

NAS file systems, 158171

mounting file directory, 165167

operations, 165168

overview, 158161

types of, 137138

NAS micro-kernel OS, 161165

components , 161165

example of, 163164

overview, 136137, 161164

UNIX and, 161164

upgrade to, 395

Windows and, 164165

NAS networks

appliance level, 181184, 319320, 326

architecture, 135

configurations, 194195

connectivity, 138139, 180184, 186187

deployment of, 180184, 186187

enterprise level, 183184, 319321, 327329

LAN topologies, 177188

TCP/IP processing, 138139, 189193

WAN topologies, 184188

workloads, 194195

NAS ports, 136137

NAS RTOS, 378

NAS servers, 44, 133134

NAS software, 157174

architecture, 136138

components, 157174

connectivity, 189195

described, 158

as I/O manager, 171174

NAS solutions, 315333

advantages, 317318

conclusions, 330333

data protection, 174

departmental workloads, 324326

described, 316

disadvantages, 318319

embedded databases and, 318

enterprise web workloads, 327329

estimating NAS requirements, 136138

marketing data, 184

OLTP and, 318

preparing for, 332333

RDBMS technology and, 318319

sales data, 184

specialized workloads, 320, 322, 329330

workload characterization, 316324

NAS workloads, 154156

characterizing, 316324

configurations, 316330

departmental, 324326

described, 154

enterprise web, 327329

maintenance, 333

NAS devices, 173174

NAS hardware and, 154156

NAS-WIT workloads, 327328

port requirements, 136137

production installations, 332333

specialized, 320, 322, 329330

test installations, 332

vs. SAN workloads, 292

See also workloads

NAS/SAN solutions, 335350

NAS-WIT workloads, 327328

near-line storage configurations, 7476

Network Attached Storage. See NAS

network file system. See NFS

Network Interface Card. See NIC networks

connectionless services, 108

connectivity, 7980

described, 101

FC, 204, 337, 439441

LANs, 177188, 342344

NAS. See NAS networks

SAN. See SAN networks

switched fabric, 55

TCP/IP, 102

vs. buses, 101105

WANs, 184188, 342344

See also storage networks

NFS (network file system)

emergence of, 39, 160

illustrated, 40

internal operations, 167168

NAS and, 160161

overview, 165168

security and, 444445

UNIX and, 165167

NIC (Network Interface Card), 7880, 139, 176177, 342

NIC adapters, 135

NIC connections, 135

NL_Port, 221, 227

nodes, 108, 221

non-aggression pact, 369370

non-volatile random access memory (NV-RAM), 164, 497

Novell Netware, 159

N_Port, 221, 497

NTFS (NT File System), 121

NV-RAM (non-volatile random access memory), 164, 497