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Course
Introduction
Storage Networking Basic Concepts
Storage Networking Review
· Network vs. Storage
· Basic Storage Networks DAS, NAS, SAN, CAS
· Virtual SCSI Cables P-SCSI, FC, SAS, Gigabit Ethernet
· Standards Organizations
Networking Concepts Review
· Circuit Switch vs. Packet Switch
· Connection-Oriented vs. Connectionless
· Layered Protocols
· Segmentation, Convergence & Reassembly
Introduction to SCSI
SCSI Storage Protocol Concepts
· SCSI Standards
· SCSI Architecture
· Initiator, Target, LUN
· Commands, Data, Status
· Task Management
· Sense, Autosense, Contingent Allegiance Condition CAC,
· Error Recovery
· Multi-Segment Transfer
· Mode and Log Pages
P-SCSI Setting the Stage for iSCSI
· SCSI Devices
· P-SCSI Overview – Feeds & Speeds
· Host Adapters, Storage Adapters
· Bus Characteristics
· Phases
· Information Unit Flow
iSCSI Protocol
iSCSI Protocol Overview
· Terms
· iSCSI Headers
· iSCSI Mapping
· iSCSI Phase Collapse
· iSCSI Structure
· TCP/IP Advantages
· iSCSI Security Overview
· iSCSI Boot and Relocation
· iSCSI Sessions and Connections
· iSCSI Operations
iSCSI Names & Addresses
· iSCSI Entity Model
· Name and Address Terms
· iSCSI Names
· iQN, EUI, NAA
· Alias
· iSCSI IP Address and TP Port Numbers
iSCSI Discovery & Configuration
· iSCSI Discovery Goals and Requirements
· iSCSI Discovery Methods
· Send Targets Command
· SLP, iSNS
· Discovery Domains
· iSNS Query and Registration
· iSNS Example
iSCSI Login & Session Establishment
· iSCSI Login Process
· Login Negotiation and Phases
· Login Authentication
· Login Transitions
· Login Security
· Discovery vs. Full Feature Phase
· Connection and Session Reinstatement
· Login Example
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iSCSI
Operations
· Connect and Login
· Full Feature Phase
· Session Termination
· Data Flow
· Read and Write
· iSCSI Commands and iSCSI Messages
· Delivery Ordering
· iSCSI Numbering – Command, Data, Status
· Sessions Tag and the Nexus ITLQ
· Data Stream Marking
iSCSI Security
· iSCSI Security Considerations
· iSCSI Security Mechanisms
· IPSec
iSCSI PDU Formats & Keys
iSCSI PDU Formats
· PDU Formats
· Login & Logout Command & Response
· NOP-Out & NOP-In
· SCSI Command, Data-in, Data-out, Response
· SCSI Task Management Command & Response
· Ready To Transfer (R2T), SNACK Request
· Text Command & Response
iSCSI Keys
iSCSI Error Detection & Recovery
· Error Handling
· Recovery Classes
· Error Types
iSCSI RDMA & Course Summary
iSCSI Extension for RDMA (iSER)
· Storage Networking Today
· What is Remote Direct Memory Access (RDMA)?
· DMA vs. RDMA
· iSCSI Extensions for RDMA (iSER)
iSCSI Performance: Technical
· NAS vs. iSCSI
· Storage vs. Network Bandwidth History
· Performance Considerations
· Fibre Channel, iSCSI/TCP/IP/Ethernet Detail
Comparisons
· Performance Myths
· Disks Matter Most
· Bandwidth does not equal Speed
· Performance Study
iSCSI Performance: Financial
· iSCSI Return On Investment ROI
· Total Cost of Ownership TCO
· State of the Market
· IP SAN Business Case
IP Storage & iSCSI Resources
· Standards
· IETF and IPS
· Web sites
· Books
iSCSI & SCSI Protocols Summary
iSCSI Traces & Lab
iSCSI Trace Analysis & Lab
· Configure Network & Devices
· Connect components
· Configure iSCSI targets for access
· Install & Run Required Software
· iSCSI Driver(s)
· Familiarize ("get to know" software)
· Install & Run Analyzer
· Capture & Analyze traces
· Have Some Fun
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