Strategies for Data Protection - Brocade

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FiguresFigure 23. Combining disk-to-disk tape emulation with conventionaltape backup ........................................................................................................45Figure 24. Consolidating remote tape backup places all data underthe control and best practices of the data center ............................................46Figure 25. Tape vaulting centralizes all data backup to a securelocation dedicated to protecting all corporate data .........................................47Figure 26. Without tape pipelining, performance falls dramaticallyduring the first 10 miles. ....................................................................................48Figure 27. Array-based synchronous replication over distance .....................55Figure 28. Maximizing utilization of large storage systems forbi-directional replication ....................................................................................56Figure 29. Leveraging metro SONET for native Fibre Channeldisaster recovery ................................................................................................57Figure 30. Using Brocade trunking to build high performance metrodisaster recovery links .......................................................................................58Figure 31. Asynchronous data replication buffers multiple I/Oswhile providing immediate local acknowledgement ........................................59Figure 32. Larger port buffers avoid credit starvation ....................................62Figure 33. Using Brocade rate limiting to avoid congestion anderratic performance ............................................................................................65Figure 34. A standard SCSI write operation over distance requiressignificant protocol overhead ............................................................................67Figure 35. FastWrite dramatically reduces the protocol overheadacross the WAN link by proxying for both initiator and target .........................68Figure 36. A three-tier DR topology provides an extra layer of dataprotection in the event of regional disruption ..................................................71Figure 37. In a round-robin DR topology, each data center actsas the recovery site for its neighbor ..................................................................72Figure 38. SAN Routing reinforces stability of the DR implementationby maintaining the autonomy of each site. ......................................................73Figure 39. Continuous data protection provides finer granularity fordata restoration when corruption occurs. .........................................................76Figure 40. Aged snapshots are rotated on a configurable intervalto conserve disk space on the CDP store. ........................................................78Figure 41. The CDP engine manages metadata on the location andtime stamp of data copies on the CDP store. ...................................................79Figure 42. Aligning cost of storage to business value of data .......................82Figure 43. Aligning classes of storage transport to classes ofstorage and applications ....................................................................................85Figure 44. Conventional LUN allocation between servers and storage .........87Figure 45. Logically binding servers to virtual LUNs drawn from thestorage pool ........................................................................................................88Figure 46. The virtualization engine maintains a metadata mappingto track virtual and physical data locations ......................................................90Figure 47. FAIS block diagram with split data path controllers andcontrol path processor .......................................................................................94Figure 48. Cylinder, head, and sector geometry of disk media ......................98xiiStrategies for Data Protection
FiguresFigure 49. Traces of original data remain even if the specificsector has been erased or overwritten .............................................................99Figure 50. Remote office processing compounds the growth ofremote servers and storage and data vulnerability ...................................... 104Figure 51. Decentralization of data storage has inherent cost anddata protection issues ..................................................................................... 105Figure 52. Centralized file access replaces remote server and storageassets with appliances optimized for high-performance file serving ........... 109Figure 53. Brocade StorageX provides a global namespace to virtualizefile access across heterogeneous OSs and back-end storage elements .... 111Figure 54. Brocade File Management Engine components andarchitecture ...................................................................................................... 112Figure 55. Brocade DCX Backbone with all slots populated (no door) ....... 116Figure 56. Brocade 48000 Director with all slots populated ...................... 119Figure 57. Brocade Mi10K Director .............................................................. 121Figure 58. Brocade M6140 Director ............................................................. 122Figure 59. FC4-16IP iSCSI Blade ................................................................... 123Figure 60. Brocade 5300 Switch .................................................................. 125Figure 61. Brocade 5100 Switch .................................................................. 126Figure 62. Brocade 300 Switch ..................................................................... 127Figure 63. Brocade 825 FC 8 Gbit/sec HBA (dual ports shown) ................ 128Figure 64. Brocade 415 FC 4 Gbit/sec HBA (single port shown) ................ 129Figure 65. SAN Health topology display ........................................................ 130Figure 66. SAN Health reporting screen ....................................................... 132Figure 67. Brocade 7500 Extension Switch ................................................. 133Figure 68. FR4-18i Extension Blade ............................................................. 134Figure 69. Brocade Edge M3000 .................................................................. 135Figure 70. Brocade USD-X, 12-slot and 6-slot versions ............................... 136Figure 71. Brocade FA4-18 ............................................................................ 137Figure 72. EMC RecoverPoint on Brocade scenario .................................... 141Figure 73. Brocade File Management Engine (FME) ................................... 143Figure 74. Overview of Brocade File Insight ................................................. 147Figure 75. Access Gateway on blades and the Brocade 300 Switch ......... 152Figure 76. Brocade EFCM interface .............................................................. 157Figure 77. Brocade Fabric Manager displays a topology-centricview of SAN environments .............................................................................. 159Figure 78. Brocade Web Tools Switch Explorer View of theBrocade 48000 Director ................................................................................. 161Figure 79. Storage Networking Industry Association organizationalstructure ........................................................................................................... 168Strategies for Data Protectionxiii
Page 1 and 2: STRATEGIESFOR DATAPROTECTIONFIRST E
Page 3: This book is dedicated to the memor
Page 6 and 7: About the AuthorTom Clark is a resi
Page 8 and 9: ContentsChapter 3: Disaster Recover
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Page 16 and 17: IntroductionIn this book we will ex
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Page 24 and 25: Chapter 1: Building the FoundationS
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Chapter 8: Foundation ProductsBroca
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Chapter 9: Distance ProductsBrocade
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Chapter 13: Solutions Productsmany
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Appendix A: The Storage Networking
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STRATEGIES FORDATA PROTECTIONFIRST
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