Brocade 340 Specifiche

DATA CENTERSAN Design and Best Practices Version 2.3A high-level guide focusing on Fibre Channel Storage Area Network (SAN) design and best practices,

DATA CENTER BEST PRACTICESSAN Design and Best Practices 10 of 84The difference between these four scenarios is device placement (where devices are at

DATA CENTER BEST PRACTICESSAN Design and Best Practices 11 of 84Servers and storage devices should be connected to both networks utilizing some form

DATA CENTER BEST PRACTICESSAN Design and Best Practices 12 of 84In addition to redundant fabrics, redundant links should be placed on different blade

DATA CENTER BEST PRACTICESSAN Design and Best Practices 13 of 84fig05_SAN_Design Figure 5. Example of three-chassis ICL conguration for 8 Gbps platf

DATA CENTER BEST PRACTICESSAN Design and Best Practices 14 of 84on each core blade must reside within the same ICL trunk boundary on the core blades.

DATA CENTER BEST PRACTICESSAN Design and Best Practices 15 of 84Brocade recommends core-edge or edge-core-edge as the primary SAN design methodology,

DATA CENTER BEST PRACTICESSAN Design and Best Practices 16 of 84However, this approach does not scale well. Given the high-speed, low-latency nature

DATA CENTER BEST PRACTICESSAN Design and Best Practices 17 of 84Fan-In Ratios and OversubscriptionAnother aspect of data ow is the “fan-in-ratio” or

DATA CENTER BEST PRACTICESSAN Design and Best Practices 18 of 84Another method is to assign host ports to storage ports based on capacity. The intend

DATA CENTER BEST PRACTICESSAN Design and Best Practices 19 of 84fig15_SAN_Design4 × 8 Gbps Control Ports4 × 8 Gbps ISLs1:1 Oversubscription for Initi

DATA CENTER BEST PRACTICESSAN Design and Best Practices 2 of 84CONTENTSINTRODUCTION ...

DATA CENTER BEST PRACTICESSAN Design and Best Practices 20 of 84Recommendations for avoiding frame congestion (when the number of frames is the issue

DATA CENTER BEST PRACTICESSAN Design and Best Practices 21 of 84Sources of high latencies include:•Storage devices that are not optimized or where p

DATA CENTER BEST PRACTICESSAN Design and Best Practices 22 of 84Bottleneck detection can also serve as a conrmation to host information when storage

DATA CENTER BEST PRACTICESSAN Design and Best Practices 23 of 84Fabric Watch tracks a variety of SAN fabric elements and events. Monitoring fabric-wi

DATA CENTER BEST PRACTICESSAN Design and Best Practices 24 of 84•Brocade platforms are capable of generating SNMP traps for most error conditions. C

DATA CENTER BEST PRACTICESSAN Design and Best Practices 25 of 84Solution 1: Make the B-Series act more like the M-Series by using PBR versus EBR on t

DATA CENTER BEST PRACTICESSAN Design and Best Practices 26 of 84Typically, a storage port services many applications, and the loss of that storage ca

DATA CENTER BEST PRACTICESSAN Design and Best Practices 27 of 84IOPS and VMsAnother method for determining bandwidth and/or oversubscription is to us

DATA CENTER BEST PRACTICESSAN Design and Best Practices 28 of 84fig17_SAN_DesignE_PortE_PortE_PortEX PortsIFLIFLLong Distance IFLFC RouterFiberChanne

DATA CENTER BEST PRACTICESSAN Design and Best Practices 29 of 84fig20_SAN_DesignEdge fabricB2Edge fabricB1Edge fabricB4Edge fabricB3Core-edgebackbone

DATA CENTER BEST PRACTICESSAN Design and Best Practices 3 of 84Misbehaving Devices ...

DATA CENTER BEST PRACTICESSAN Design and Best Practices 30 of 84 – M-Series (legacy McDATA) switches: Similar to legacy switches, the presence of M-S

DATA CENTER BEST PRACTICESSAN Design and Best Practices 31 of 84 – Size of fabrics: If the size of edge fabrics is likely to grow, and the inter-fabr

DATA CENTER BEST PRACTICESSAN Design and Best Practices 32 of 84•As edge fabrics and the routed network grow, the use of “lters” such as LSAN zone

DATA CENTER BEST PRACTICESSAN Design and Best Practices 33 of 84Use Case: FICON and Open Systems (Intermix)Virtual Fabrics enable customers to share

DATA CENTER BEST PRACTICESSAN Design and Best Practices 34 of 84of latency at the receiving Condor3-based switch in order to decrypt and uncompress t

DATA CENTER BEST PRACTICESSAN Design and Best Practices 35 of 84On the Brocade DCX 8510 with Gen 5 Fibre Channel platform, 4K buffers are available p

DATA CENTER BEST PRACTICESSAN Design and Best Practices 36 of 84at all. On most large scale arrays, the FC port that has been assigned to RDR is dedi

DATA CENTER BEST PRACTICESSAN Design and Best Practices 37 of 84fig24_SAN_DesignProduction Site Back-Up SiteAFCFCFCFCBABBrocade7800StorageArrayStorag

DATA CENTER BEST PRACTICESSAN Design and Best Practices 38 of 84When using a four-box solution, it is inappropriate to make ISL cross-connections bet

DATA CENTER BEST PRACTICESSAN Design and Best Practices 39 of 84Using EX_Ports and VEX_PortsIf an FCR architecture is indicated, an “X” port is neede

DATA CENTER BEST PRACTICESSAN Design and Best Practices 4 of 84Design Guidelines ...

DATA CENTER BEST PRACTICESSAN Design and Best Practices 40 of 84fig28_SAN_DesignN_PortE_PortF_PortVE_PortVEX_PortEX_PortIPCloudEdgeFabricBrocade DCXw

DATA CENTER BEST PRACTICESSAN Design and Best Practices 41 of 84IBM does not consider a connection to a channel extender to be a hop of concern. Only

DATA CENTER BEST PRACTICESSAN Design and Best Practices 42 of 84Mode 3, Deate, also known as GZIP, is entirely a software-based algorithm and not su

DATA CENTER BEST PRACTICESSAN Design and Best Practices 43 of 84In a shared link situation, if you think of the bandwidth as separated into three are

DATA CENTER BEST PRACTICESSAN Design and Best Practices 44 of 84DSCP and L2CoS are congured on a per-FCIP circuit basis. It is recommended that you

DATA CENTER BEST PRACTICESSAN Design and Best Practices 45 of 84fig33_SAN_DesignGaussian or“normal”distributionfg(x).00135.00135.0214.0214X0σ2σ3σ-σ-2

DATA CENTER BEST PRACTICESSAN Design and Best Practices 46 of 84FCIP TrunkingThe Brocade 7800 and FX8-24 have an exclusive feature called FCIP Trunki

DATA CENTER BEST PRACTICESSAN Design and Best Practices 47 of 84ARL is used to manage the bandwidth going into the cores based on the available WAN b

DATA CENTER BEST PRACTICESSAN Design and Best Practices 48 of 84state machines at any one time. A state machine lives for the life of an exchange, an

DATA CENTER BEST PRACTICESSAN Design and Best Practices 49 of 84Here is a list of conguration differences between FICON and Open System environments

DATA CENTER BEST PRACTICESSAN Design and Best Practices 5 of 84Storage Trafc Patterns ...

DATA CENTER BEST PRACTICESSAN Design and Best Practices 50 of 84fig36_SAN_DesignBrocadeFICON DirectorLS 50 VE12LS 60 VE22LS128IP Core AgatewayIP Core

DATA CENTER BEST PRACTICESSAN Design and Best Practices 51 of 84•Per-Packet Load Balancing (PPLB) is not supported by Brocade. PPLB is often the cau

DATA CENTER BEST PRACTICESSAN Design and Best Practices 52 of 84•They create separate LUNs for each data store and allow VMs to access data directly

DATA CENTER BEST PRACTICESSAN Design and Best Practices 53 of 84Consider the IBM AIX VIO platform as an example to explain Unix workload virtualizati

DATA CENTER BEST PRACTICESSAN Design and Best Practices 54 of 84Monitoring•Bottleneck Detection becomes very important here. Use it to monitor laten

DATA CENTER BEST PRACTICESSAN Design and Best Practices 55 of 84Reviewing performance requirements:•Host-to-storage port fan-in/out ratios•Oversubs

DATA CENTER BEST PRACTICESSAN Design and Best Practices 56 of 84•Implement serial console server: Implement serial remote access so that switches ca

DATA CENTER BEST PRACTICESSAN Design and Best Practices 57 of 84much smaller number (56 is recommended in Brocade fabrics). The domain count limit ty

DATA CENTER BEST PRACTICESSAN Design and Best Practices 58 of 84•Error isolation and management: Most initiator errors are not propagated through to

DATA CENTER BEST PRACTICESSAN Design and Best Practices 59 of 84MaintenanceThere is usually no need to keep the Brocade Access Gateway rmware levels

DATA CENTER BEST PRACTICESSAN Design and Best Practices 6 of 84INTRODUCTIONThis document is a high-level design and best practices guide based on Bro

DATA CENTER BEST PRACTICESSAN Design and Best Practices 60 of 84fig11_SAN_DesignHost TierStorage Tier Tape TierFigure 40. The same edge-core-edge tie

DATA CENTER BEST PRACTICESSAN Design and Best Practices 61 of 84STORAGEStorage arrays have evolved signicantly over the last few years. Performance

DATA CENTER BEST PRACTICESSAN Design and Best Practices 62 of 84Figure 41 shows a typical implementation of an in-line virtualized storage solution.

DATA CENTER BEST PRACTICESSAN Design and Best Practices 63 of 84SECURITYThere are many components to SAN security in relation to SAN design, and the

DATA CENTER BEST PRACTICESSAN Design and Best Practices 64 of 84Zoning recommendations include the following: •Always enable zoning.•Create zones w

DATA CENTER BEST PRACTICESSAN Design and Best Practices 65 of 84Use the SCC policy in environments where there is a need for strict control of fabric

DATA CENTER BEST PRACTICESSAN Design and Best Practices 66 of 84Together, the policy distribution and fabric-wide consistency settings provide a rang

DATA CENTER BEST PRACTICESSAN Design and Best Practices 67 of 84•What is the average disk drive utilization (the greater the utilization, the longer

DATA CENTER BEST PRACTICESSAN Design and Best Practices 68 of 84Some topics to consider for backup and restore as you plan for SAN expansion or a new

DATA CENTER BEST PRACTICESSAN Design and Best Practices 69 of 84TOOLS FOR GATHERING DATA Brocade SAN HealthBrocade SAN Health is a free tool that all

DATA CENTER BEST PRACTICESSAN Design and Best Practices 7 of 84This document does not consider physical environment factors such as power, cooling, a

DATA CENTER BEST PRACTICESSAN Design and Best Practices 70 of 84•MB/s writes•Worst-case latency (ms)•HBA queue depthThis is an example of a guidel

DATA CENTER BEST PRACTICESSAN Design and Best Practices 71 of 84SUMMARYOnce the initial discussions with key stakeholders are complete, data should b

DATA CENTER BEST PRACTICESSAN Design and Best Practices 72 of 84APPENDIX A: IMPORTANT TABLESThe following table shows the support distance based on c

DATA CENTER BEST PRACTICESSAN Design and Best Practices 73 of 84APPENDIX B: MATRICESThis section provides example checklists and tables you can use t

DATA CENTER BEST PRACTICESSAN Design and Best Practices 74 of 84Metrics and Impact on SAN Design and PerformanceThe following table details the metri

DATA CENTER BEST PRACTICESSAN Design and Best Practices 75 of 84Consolidated SAN SnapshotSAN Requirements Data (Complete for each SAN)Fabric Informat

DATA CENTER BEST PRACTICESSAN Design and Best Practices 76 of 84Application-Specific DetailsBackup/Restore InfrastructionServersSystem OS Version, Pat

DATA CENTER BEST PRACTICESSAN Design and Best Practices 77 of 84Quantitative Analysis: Radar MapsSAN Admin Radar MapSAN/Storage Admin ConcernsRank (1

DATA CENTER BEST PRACTICESSAN Design and Best Practices 78 of 84Facilities Radar MapFacilityRank (1 is low, 10 is high) NotesConcern for physical rea

DATA CENTER BEST PRACTICESSAN Design and Best Practices 79 of 84APPENDIX C: PORT GROUPSA port group is a group of eight ports, based on the user port

DATA CENTER BEST PRACTICESSAN Design and Best Practices 8 of 84Backup and disaster tolerance•Is there a centralized backup? (This will determine the

DATA CENTER BEST PRACTICESSAN Design and Best Practices 80 of 84Gen 5 Fibre Channel PlatformsThe Brocade FC16-48 and FC16-32 blades for the Brocade D

DATA CENTER BEST PRACTICESSAN Design and Best Practices 81 of 84Brocade 6520 Trunk Groups1 2 3 4 5 678 9 10 11 12Figure 48. Brocade 6520 Front Port G

DATA CENTER BEST PRACTICESSAN Design and Best Practices 82 of 84APPENDIX D: TERMINOLOGYTerm Brief DescriptionBase switch Base switch of an enabled vi

DATA CENTER BEST PRACTICESSAN Design and Best Practices 83 of 84APPENDIX E: REFERENCESSoftware and Hardware Product Documentation•Brocade Fabric OS

© 2013 Brocade Communications Systems, Inc. All Rights Reserved. 05/13 GA-TB-329-04ADX, AnyIO, Brocade, Brocade Assurance, the B-wing symbol, DCX, Fab

DATA CENTER BEST PRACTICESSAN Design and Best Practices 9 of 84The ClearLink diagnostic capability provides an opportunity to measure and thoroughly