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Storage School 1

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Stephen Foskett
Stephen Foskett
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Storage School I An introduction to the world of storage
Storage School I: An introduction to the world of storage Presented by Stephen Foskett Director of the Data Practice Contoural [email_address] www.contoural.com
The world of storage can be daunting the uninitiated. This session provides all of the background that you will need to get started in the world of storage. We will start with the basic concepts: SAN vs. NAS, block vs. file, RAID levels, and other basic topics. These are woven together in a lively lesson, explaining how we got here and why it all matters. We will finish up with a brief discussion of how storage fits within the big picture of enterprise IT.
WHAT I ASSUME YOU KNOW ,[object Object]
BY THE END OF THE SESSION, YOU’LL KNOW THE FOLLOWING: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How involved with storage are you? ,[object Object],[object Object],[object Object],[object Object]
NIL NOVI SUB SOLE (There Is Nothing New Under The Sun) ,[object Object],[object Object],[object Object]
Important Concept #1: Storage is Outside the Computer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],IBM 350 IBM 2314 ST506 ESCON SCSI
We’re Used to External Storage Today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],FireWire and USB eSATA Ethernet Fibre Channel
Important Concept #2: Blocks and Files ,[object Object],[object Object],[object Object],[object Object]
Most Enterprise Storage Systems and Protocols are Block or File Based ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SAN and NAS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Important Concept #3: Most Enterprise Block Storage Uses SCSI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],SCSI commands FCP Optical/Copper “ Fibre Channel” SCSI commands Partial FCP SATA Copper Serial Attached SCSI (SAS) SCSI commands TCP/IP Optical/Copper iSCSI Ethernet/other
… But other protocols are used by disk drives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Important Concept #4: RAID Combines Disks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Common RAID Levels ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Common RAID Levels ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],P P P P P P P P
RAID Mashups ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Important Concept #5: There are Three Kinds of Storage Array ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Grid array Monolithic array Modular array
Choices Abound for Networked Enterprise Storage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Mixing Up the Right SAN ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Architecture Example: Small Web Company ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Architecture Example: Large Financial Company ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Closing Thoughts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Questions? ,[object Object],[object Object],[object Object],[object Object]
For More Information ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Storage School 1

  • 1. Storage School I An introduction to the world of storage
  • 2. Storage School I: An introduction to the world of storage Presented by Stephen Foskett Director of the Data Practice Contoural [email_address] www.contoural.com
  • 3. The world of storage can be daunting the uninitiated. This session provides all of the background that you will need to get started in the world of storage. We will start with the basic concepts: SAN vs. NAS, block vs. file, RAID levels, and other basic topics. These are woven together in a lively lesson, explaining how we got here and why it all matters. We will finish up with a brief discussion of how storage fits within the big picture of enterprise IT.
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Editor's Notes

  1. Ecclesiastes 1:9
  2. Photos courtesy of IBM Corporate Archives and Seagate
  3. Photos courtesy of EMC, Network Appliance, and LeftHand Networks