Storage Area Networks For DummiesÂ®

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436 Storage Area Networks For Dummies, 2 nd Edition storage virtualization direct mapping existing LUN as virtual LUN, 391–393 extent pool mapping, 394 overview, 389–391 using for better performance, 395–397 virtual disks, 391 virtual tapes, 397–398 storage wide area network (SWAN), 196, 199–202 storage-array-based virtualization, 402–403 storage-based de-duplication, 339 storage-management software, 61 streamlining SAN management overview, 292 step-by-step administration, 292–293 using framework, 293–294 stretched-rubber-band approach, 216 striping, disk, 50, 52 sub-block-level delta versioning, 344–345 sub-block-level hashing, 341–343, 348–350 Subscriber connector (SC) connectors, 28, 43, 108 Sun Microsystems, 377, 387 SVC (SAN Volume Controller), 384 SW codes, 282 SWAN (storage wide area network), 196, 199–202 swaps, 263–264 switch architecture arrays, 59 switch commands, 129–130, 132–135, 165, 312 switch ports, 44 switch vendors, mixing, 89–90 switched fabric choosing switches, 107–108 fabric addressing, 72–74 fabric protocol, 71–72 FC-SW protocol, 46 overview, 29–30, 70–71, 95, 105–106 trunking, 108–110 types of SAN switches, 106–107 using right bandwidth, 108 zoning, 123 switched-based networks, 59 switchEnable command, 134 switches. See also Brocade switches bottlenecks with, 320, 321 compared to hubs, 32 configuring, 164–166 connecting SAN fabrics, 219 connectivity, verifying, 166 core-edge topology, 119–120 director-class, 36–37, 105–106 extending SAN fabrics, 217 fabric, 159, 163, 166–170, 312–313 iFCP devices to replace, 221 management functions, 311 in meshed fabric topology, 116 overview, 15, 33–35, 60 setup, 130–135 standard modular, 35–36 star topology, 117–118 types of, 106–108 SwitchShow command, 178 switch-to-switch expansion ports, 44 Symantec, 320, 377 synchronized volumes, 261 synchronous data transmission, 147 synchronous remote copy solutions, 148 • T • T_Port, 44, 46 tag numbers, asset, 282–283 tape backups, 199, 372 tape drives, 226, 228–229, 231–234, 236, 245–246 tape libraries, 229, 231, 234–237 target ports, 188 targets, 29, 188–189, 403 TCP/IP (Transmission Control Protocol/ Internet Protocol), 9 TCP/IP (Transmission Control Protocol/ Internet Protocol) addresses, 163–164 TCP/IP Offload Engine (TOE), 191, 204, 416 TCP/IP Offload Engine (TOE) adapters, 86 TCP/IP Offload Engine (TOE) network adapter cards, 191, 223 teams, SAN management architects, 299–300 common responsibilities, 303 engineers, 300 monitoring team, 301 overview, 298–299 performance specialists, 301–302 planning for future, 302–303 provisioning staff, 302 Service Level Agreement, 301–302 tech support, 307
Index 437 Telcos, 202 telnet commands, 164, 181 Telnet sessions, 131–132 10Base-T networks, 244 terabytes, 207 testing application, 253 recovery, 156 third-party backup software, 232–233 third-party copies, 237 32-port modular switches, 106 tiered backup design, 238–239 TOE (TCP/IP Offload Engine), 191, 204, 416 TOE (TCP/IP Offload Engine) adapters, 86 TOE (TCP/IP Offload Engine) network adapter cards, 191, 223 topologies arbitrated loop, 98–105 basic fabric, 110–122 overview, 95 point-to-point, 96–98 switched fabric, 105–110 T-ports, 89 track change tables, 262 track pointers, 254–255 training classes, 303 transaction logs, 358–359 transactions, 358–359 transceivers, 27 Transmission Control Protocol/Internet Protocol (TCP/IP), 9 Transmission Control Protocol/Internet Protocol (TCP/IP) addresses, 163–164 transmitters, 64 trends, SAN, 292 troubleshooting catastrophic problems, 322 causes of SAN problems, 75–76 continuous problems, 318–321 methodology, 306–310 obvious problems, 310–316 phantom problems, 316–318 prevention, 306 scenario #1, 323–325 scenario #2, 326–328 scenario #3, 328–332 with switches’ name server information, 74 true CDP, 370–371 Trunk ports, 44 trunking, 89, 108–110, 168 tunnel approach, 211–213 24-port modular switches, 106 twist-tie wraps, 83 2-Gbit Fibre Channel SAN networks, 244 • U • Unisys, 387 Universal Storage Platform (USP), 384, 393, 402–403 Unix servers load balancing, 186 moment of truth, 186–187 overview, 161, 184 path fail-over software, 186 persistent binding, 184–186 updates, BIOS firmware, 27 upgrades, network, 11, 303 uptime, 297 usernames, Telnet session, 131–132 users, SAN, 12–14 USP (Universal Storage Platform), 384, 393, 402–403 • V • vendors CDP, 376–377 data de-duplication, 339 documentation from, 307 DWDM solutions, 203 fabric-based virtualization storage vendors, 402 FCIP solutions, 203 hardware-based server virtualization, 387–388 HBA, 27, 86–87 HBA configuration files from, 317 HBA testing by, 316, 318 host-based storage virtualization, 401–402 installing SANs, 300 iSCSI solutions, 204 metadata PiT implementation requirements, 256 path-management software, 113 PiT copies, 261, 270 SAN design by, 135 SAN management packages, 320 software-based server virtualization, 387–388 speed of de-duplication, 348
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Making Everything Easier! 2nd Edit
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Storage Area Networks For Dummies
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Author’s Acknowledgments Christop
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Contents at a Glance Introduction .
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2 Storage Area Networks For Dummies
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4 Storage Area Networks For Dummies
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In this part . . . The computer ind
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8 Par t I: SAN 101 In a nutshell, y
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10 Par t I: SAN 101 Disk drives in
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12 Par t I: SAN 101 Finding Out Whe
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14 Par t I: SAN 101 ✓ Servers tha
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16 Par t I: SAN 101 ✓ Gateway: A
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18 Par t I: SAN 101 on the other ha
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20 Par t I: SAN 101 All Fibre Chann
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22 Par t I: SAN 101 ✓ Any backup
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24 Par t I: SAN 101 Host layer Fabr
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26 Par t I: SAN 101 Newer drive-int
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28 Par t I: SAN 101 ✓ Long-wave:
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30 Par t I: SAN 101 Large-scale, co
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32 Par t I: SAN 101 Hubs typically
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34 Par t I: SAN 101 You could conne
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36 Par t I: SAN 101 Using modular s
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38 Par t I: SAN 101 Data routers A
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40 Par t I: SAN 101 Cables Cables a
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42 Par t I: SAN 101 Core (9-micron
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44 Par t I: SAN 101 Basic SAN port
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46 Par t I: SAN 101 Table 2-2 (cont
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48 Par t I: SAN 101 a Fibre Channel
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50 Par t I: SAN 101 The RAID type t
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52 Par t I: SAN 101 ✓ RAID 2: RAI
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54 Par t I: SAN 101 RAID 0+1 set: D
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56 Par t I: SAN 101 downtime is a p
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58 Par t I: SAN 101 These arrays ar
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60 Par t I: SAN 101 Most SAN storag
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64 Par t I: SAN 101 When you were a
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66 Par t I: SAN 101 Bandwidth Movin
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68 Par t I: SAN 101 The phone netwo
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70 Par t I: SAN 101 The Switched Fa
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72 Par t I: SAN 101 Again, think of
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74 Par t I: SAN 101 The switches’
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76 Par t I: SAN 101 So what can you
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78 Par t I: SAN 101 For example, if
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80 Par t I: SAN 101 Distance slows
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82 Par t I: SAN 101 You need to rep
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84 Par t I: SAN 101 Little things c
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86 Par t I: SAN 101 If you’re pur
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88 Par t I: SAN 101 Dual I/O paths
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90 Par t I: SAN 101 All switch vend
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In this part . . . If this were a b
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94 Par t II: Designing and Building
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100 Par t II: Designing and Buildin
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In this part . . . Don’t let the
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196 Par t III: Using Advanced SAN F
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274 Part IV: SAN Management and Tro
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