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Contents 1.5.5. NIC Styles .................................................................................1–48 1.5.6. Single-Port Fiber Ethernet Handle and Connector ............................................................................ 1–49 1.5.7. Single-Port Copper Ethernet Handle and Connector ............................................................................ 1–50 1.5.8. Dual-Port Fiber NIC ................................................................ 1–51 1.5.9. Dual-Port Copper NIC ............................................................ 1–52 1.5.10. SAIL Peripherals ...................................................................... 1–53 1.6. Other PCI Cards ................................................................................ 1–54 1.6.1. DVD Interface Card ................................................................ 1–54 1.6.2. XIOP Myrinet Card ................................................................. 1–55 1.6.3. Clock Synchronization Board ............................................... 1–57 1.6.4. Cipher API Hardware Accelerator Appliance .................. 1–61 Section 2. Channel Configurations 2.1. Fibre Channel ....................................................................................... 2–1 2.1.1. Fibre Channel on SIOP ............................................................. 2–2 2.1.2. Direct-Connect Disks (JBOD) ................................................ 2–2 2.1.3. Symmetrix Disk Systems ....................................................... 2–5 2.1.4. CLARiiON Disk Systems ....................................................... 2–10 2.1.5. T9x40 Family of Tape Drives .............................................. 2–16 2.1.6. 9x40 Tape Drives on Multiple Channels Across a SAN .................................................................................... 2–19 2.1.7. Connecting SCSI Tapes to a SAN .......................................2–27 2.2. SCSI ..................................................................................................... 2–28 2.2.1. Direct-Connect Disks (JBOD) ............................................. 2–30 2.2.2. Control-Unit-Based Disks .................................................... 2–32 2.3. SBCON ............................................................................................... 2–35 2.3.1. SCMS II Configuration Guidelines ..................................... 2–36 2.3.2. Directors .................................................................................. 2–38 2.4. FICON ................................................................................................. 2–42 2.4.1. FICON on SIOP ....................................................................... 2–42 2.4.2. SCMS II Configuration Guidelines ..................................... 2–43 2.4.3. Switch Configuration Guidelines ....................................... 2–46 Section 3. Mass Storage 3.1. EMC Systems ...................................................................................... 3–1 3.1.1. Disk .............................................................................................. 3–1 3.1.2. Control Unit ................................................................................ 3–1 3.1.3. Channel ....................................................................................... 3–2 3.1.4. Path .............................................................................................. 3–2 3.1.5. Subsystem ................................................................................. 3–2 3.1.6. Daisy-Chained Control Units ................................................. 3–3 3.2. OS 2200 I/O Algorithms ................................................................... 3–4 3.2.1. Not Always First In, First Out ............................................... 3–4 3.2.2. Disk Queuing (Not Using I/O Command Queuing) ................................................................................3–5 3.2.3. I/O Command Queuing .......................................................... 3–6 3.2.4. Multiple Active I/Os on a Channel ...................................... 3–8 iv 3839 6586–010
Section 4. Tapes Contents 3.2.5. Standard I/O Timeout Processing ....................................... 3–9 3.2.6. Multiple Control Units per Subsystem .............................. 3–9 3.2.7. Multiple Channels per Control Unit ................................... 3–10 3.2.8. Configuring Symmetrix Systems in SCMS II ................... 3–11 3.3. OS 2200 Miscellaneous Characteristics ..................................... 3–12 3.3.1. Formatting ................................................................................ 3–12 3.3.2. 504 Bytes per Sector ............................................................ 3–13 3.3.3. Multi-Host File Sharing .......................................................... 3–13 3.4. EMC Hardware .................................................................................. 3–14 3.4.1. Components ............................................................................ 3–15 3.4.2. Disks .......................................................................................... 3–15 3.5. Disk Performance ............................................................................. 3–17 3.5.1. Definitions ................................................................................ 3–18 3.5.2. Queue Time ............................................................................. 3–19 3.5.3. Hardware Service Time ....................................................... 3–20 3.5.4. Little’s Law .............................................................................. 3–25 3.5.5. Request Existence Time ..................................................... 3–27 3.5.6. Disk Performance Analysis Tips ........................................ 3–27 3.6. Symmetrix Remote Data Facility (SRDF) Considerations ............................................................................ 3–29 3.6.1. Synchronous Mode ............................................................... 3–30 3.6.2. Asynchronous Mode ............................................................. 3–31 3.6.3. Adaptive Copy Mode ........................................................... 3–32 3.6.4. SRDF Performance ............................................................... 3–32 3.6.5. SRDF Synchronous Mode Time Delay Calculation .......................................................................... 3–33 4.1. 36-Track Tapes ................................................................................... 4–1 4.2. T9840 and 9940 Tape Families ...................................................... 4–2 4.2.1. T9840 Family ............................................................................ 4–2 4.2.2. T9940B ....................................................................................... 4–3 4.2.3. T10000A ..................................................................................... 4–3 4.2.4. T9840/9940 Performance Advantages ............................. 4–4 4.2.5. Operating Considerations ..................................................... 4–5 4.3. T9x40 Hardware Capabilities ......................................................... 4–6 4.3.1. Serpentine Recording ............................................................ 4–6 4.3.2. Compression ............................................................................ 4–7 4.3.3. Super Blocks............................................................................. 4–8 4.3.4. Data Buffer ................................................................................ 4–8 4.3.5. Streaming Tapes...................................................................... 4–9 4.3.6. Tape Repositioning ................................................................. 4–9 4.3.7. OS 2200 Logical Tape Blocks .............................................. 4–10 4.3.8. Synchronization ....................................................................... 4–12 4.3.9. Tape Block-ID .......................................................................... 4–13 4.3.10. Tape Block Size ....................................................................... 4–13 4.4. Optimizing T9x40 Tape Performance ......................................... 4–15 4.4.1. Tape Mark Buffering.............................................................. 4–15 4.4.2. How to Use Tape Mark Buffering...................................... 4–17 4.4.3. Fast Tape Access ...................................................................4–18 3839 6586–010 v
Page 1 and 2: ClearPath Dorado 300/400/700/800/40
Page 3: Contents Section 1. PCI-Based I/O H
Page 7 and 8: Contents 6.6.5. Multihost or Multip
Page 9 and 10: Appendix D. Requesting Configuratio
Page 11 and 12: Figures 1-1. Dorado 300 Series Cabi
Page 13 and 14: Figures 5-5. SIOP: Dorado 700 I/Os
Page 15 and 16: Tables 1-1. Dorado 800 I/O Styles .
Page 17 and 18: Tables B-1. Brocade Switch Addresse
Page 19 and 20: Section 1 PCI-Based I/O Hardware Th
Page 21 and 22: Dorado 780 and Dorado 790 PCI-Based
Page 23 and 24: PCI-Based I/O Hardware Figure 1-3.
Page 25 and 26: 1.1.5. Dorado 4000 Server Figure 1-
Page 27 and 28: The following illustration shows th
Page 29 and 30: • Cavium Nitrox (Encryption) card
Page 31 and 32: PCI-Based I/O Hardware The followin
Page 33 and 34: PCI-Based I/O Hardware • ASIC An
Page 35 and 36: Styles The following are the IOP ca
Page 37 and 38: PCI-Based I/O Hardware A network in
Page 39 and 40: Figure 1-14. I/O Module Connection
Page 41 and 42: In this example, • The CIOP contr
Page 43 and 44: PCI-Based I/O Hardware The personal
Page 45 and 46: 1.3.5. I/O Expansion Module for the
Page 47 and 48: PCI-Based I/O Hardware The Dorado 4
Page 49 and 50: PCI-Based I/O Hardware Once the max
Page 51 and 52: PCI-Based I/O Hardware • The orde
Page 53 and 54: Figure 1-25. OS 2200 I/O Addressing
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PCI-Based I/O Hardware 3. If you cl
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LED Status Style 1.4.2. SCSI The fo
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LED Status Style There are no LED i
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Style The following table lists the
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The following is a picture of the B
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PCI-Based I/O Hardware Gigabit Ethe
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Table 1-12. Ethernet Styles Style D
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• Off No link. • Yellow flashin
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LED Status for Each Port Figure 1-3
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Figure 1-35. IDE Cable Connection o
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Style LED Status The following tabl
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Time Distribution PCI-Based I/O Har
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1.6.4. Cipher API Hardware Accelera
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Section 2 Channel Configurations Th
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Channel Configurations depending on
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Table 2-2. SCMS II View of JBOD Con
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Channel Configurations − You shou
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Channel Configurations This example
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Channel Configurations For sites wa
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Channel Configurations Figure 2-7.
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Channel Channel Configurations Tabl
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The following are some of the guide
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SCMS II View Channel Configurations
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Channel Configurations The port add
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Zones Channel Configurations You sh
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SCMS II Configuration Channel Confi
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Channel Configurations The followin
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Channel Configurations Characterist
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Channel Configurations • There ca
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Channel Configurations The assignme
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Channel Configurations Table 2-12.
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Each tape controller must be in a u
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Resiliency and Connectivity When pl
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Establishing Dedicated Connections
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• EMC Centera and Celera firmware
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Notes: Channel Configurations 1. If
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Section 3 Mass Storage The OS 2200
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Figure 3-1. OS 2200 Architecture Su
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3.2.2. Disk Queuing (Not Using I/O
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Performance Enabling IOCQ Mass Stor
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Mass Storage The following figure i
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Figure 3-8. Multiple Channel Contro
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3.3.2. 504 Bytes per Sector Mass St
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On a read Mass Storage • If the d
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3.5. Disk Performance Mass Storage
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Response time is related to through
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Controller Overhead Time Mass Stora
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Hardware Service Time Figure 3-13.
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3.5.4. Little’s Law Mass Storage
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3.5.5. Request Existence Time Figur
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Comparable I/O Transfers Have Compa
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Figure 3-19. Synchronous Mode Mass
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3.6.5. SRDF Synchronous Mode Time D
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Section 4 Tapes This section is an
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• 9840D Almost twice the capacity
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Data Restoration Tapes Possibly the
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Tapes This type of head movement is
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Tapes For most I/O requests, acknow
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Example Two EOFs in a row signify t
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Tapes Prior to the introduction of
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Table 4-4. Translation of Tracks to
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Tapes The added risk of Phase 2 is
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Exec IRU Tapes The Exec and IRU hav
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Tapes The recommended audit trail f
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FAS Tapes • The IRU MOVE command
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The following table shows the block
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4.6.1. Electronic Partitioning on F
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Section 5 Performance This section
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Performance When calculating the nu
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Figure 5-3. Dorado 800 and Dorado 4
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N1=1, N2=2, P=2 25% = 100/1/2/2 The
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Performance There is an easy way to
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Performance • When measuring chan
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5.2.1. SIOP Performance Performance
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Figure 5-8. SIOP: Dorado 300 MB per
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Figure 5-13. Dorado 4200 I/O Manage
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Figure 5-16. Dorado 4200 Single Por
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Performance Figure 5-20. Dorado 800
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Performance A rate of 60 MB per sec
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Figure 5-27. Multiple Drive SIOP FI
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A single Ethernet NIC can support t
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For tape and disk Performance • U
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Section 6 Storage Area Networks Sto
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Storage Area Networks Loop topology
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Nodes and Ports Figure 6-2. Switche
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6.3. Switches Storage Area Networks
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Storage Area Networks JBOD devices
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Storage Area Networks Note: The Dom
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Some examples of devices converted
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Device in the Example Table 6-4. 12
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6.6. Zoning Storage Area Networks A
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6.6.4. Zoning with Multiple Switche
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6.6.6. Remote Backup Zoning Storage
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Section 7 Peripheral Systems This s
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Restrictions Peripheral Systems •
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OS 2200 Implementation The followin
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Peripheral Systems The low density
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Peripheral Systems Table 7-1. Suppo
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Peripheral Systems • The followin
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Cautions Peripheral Systems • Do
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Peripheral Systems • An LED indic
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Peripheral Systems • An LED indic
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The assign mnemonic for the T98840B
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Caution Peripheral Systems All DLT
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7.1.13. OST4890 Cartridge Periphera
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7.2.3. CLU5500 Peripheral Systems T
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7.3.2. Symmetrix DMX Series Periphe
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Symmetrix 4.0 Peripheral Systems Th
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Peripheral Systems Note: When chang
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7.4.3. LUNs Figure 7-1. Unit Duplex
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Peripheral Systems Table 7-10 shows
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7.5. Just a Bunch of Disks (JBOD) P
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Section 8 Cabling 8.1. SCSI This se
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y the system, except to achieve ext
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Figure 8-3. SBCON Cable or Connecto
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Cabling A few examples of the use o
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8.5.2. Communications IOP (CIOP) No
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Section 9 Peripheral Migration The
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9.3.3. Read-Backward Functions Peri
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Model Description DSI-9XX3 VTL 2.1
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9.4.3. End-of-Life Tape Libraries P
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Disks Description Table 9-6. Suppor
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RAID Disk Table 9-7. Supported SAIL
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9.5.6. SAIL Host Bus Adapters (HBAs
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Table 9-11. SIOP Device Mnemonics (
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DLT 7000, DLT8000 CTS5236, CTS5236E
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9.7.3. HLC Peripheral Migration The
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9.9. Other Migration Issues The fol
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Appendix A Fibre Channel Addresses
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Table A-1. Allowed Positions on an
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Table A-1. Allowed Positions on an
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Appendix B Fabric Addresses The fol
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Port Location (dec) Table B-1. Broc
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The following table lists older mod
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Table B-2. Older Model McData Switc
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Table B-3. Newer Model McData Switc
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Appendix C Key Hardware Enhancement
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Appendix D Requesting Configuration
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Index A access time, 3-20, 3-21 ACS
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queue, 3-19 Request Existence Time,
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R read backward, 4-5 Request Existe
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FICON, 2-45 throughput, definition,
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*38396586-010* 3839 6586-010
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