1. Improving Networks Worldwide. UNH InterOperability Lab Serial Attached SCSI (SAS) Use Cases

2. Improving Networks Worldwide.

3. 3 SAS Use Cases Presentation Topics Types of SAS Devices SAS/SATA Interoperability Cables and Connector Types

4. 4 SAS Use Cases SAS Device Types Initiators –Host Bus Adaptors (HBA) Targets –Hard Disk Drives, Tape Drives, other SCSI Devices Edge Expanders –Enclosures Fanout Expanders –SAS Switches

5. 5 SAS Use Cases SAS Initiators Allows the computer to communicate with media Interfaces with computer system via –PCI –PCI-X –PCI-Express Computer System SAS Initiator Network Interface Soundcard

6. 6 SAS Use Cases SAS Targets Hard Disk Drives (HDD) –Spinning Magnetic media –10,000 or 15,000 rotations per minute Solid State Drives (SSD) –IC based media Tape Drives –Thin, magnetic media –Typically DAT or LTO

7. 7 SAS Use Cases SAS Targets Stores Information Most SAS Targets have two data interfaces Interfaces with the computer system via the SAS Initiator Computer System SAS Initiator SAS Target

8. 8 SAS Use Cases Edge Expanders Found inside enclosures Allows multiple targets to be connected to a initiator via one cable Computer System SAS Initiator SAS Enclosure SAS Target Edge Expander

9. 9 SAS Use Cases Fanout Expanders Also called a SAS Switch Allows multiple Edge Expanders to be connected to a initiator Computer System SAS Initiator SAS Enclosure Switch

10. 10 SAS Use Cases SAS/SATA Interoperability SAS is designed to Interoperate with SATA devices SATA targets can be connected to SAS Initiators and Expanders. SAS targets and expanders can NOT be connected to SATA Initiators.

11. 11 SAS Use Cases SAS/SATA Interoperability Computer System SAS Initiator SAS Enclosure SAS Target SATA Target SAS Target SATA Target SAS Target SATA Target SATA Drives can be used in most SAS Enclosures or connected directly to most SAS initiators. SATA Target SAS Target

12. 12 SAS Use Cases SAS/SATA Interoperability Computer System SATA Initiator SAS Targets cannot be connected to SATA Initiators SAS Expanders cannot be connected to SATA Initiators. SAS Target

13. 13 SAS Use Cases SAS Connectors Numerous connectors defined –Male/Female Drive Connectors –Two Types of 4x Internal Connectors 4i Wide (Legacy) 4i Mini (aka Mini-SAS Internal, added with SAS2.0, Industry Standard Now) –External 4x Connectors Infiniband Style (Legacy) iPass Style (aka Mini-SAS, added with SAS2.0, Industry Standard Now) QSFP Under development for Optical and Active Cable solutions

14. 14 SAS Use Cases Male Drive Connector Source: SAS-2 rev15a, Page 145 Top view Bottom view

15. 15 SAS Use Cases Male Drive Connector Top view Bottom view Note: Two signal connectors. From S1 to S7 and from S8 to S14

16. 16 SAS Use Cases Male Drive Connector

17. 17 SAS Use Cases Female Single-Port Drive Connector Source: SAS-2 rev15a, Page 145 Top view Bottom view

18. 18 SAS Use Cases Female Dual-Port Drive Connector Source: SAS-2 rev15a, Page 146 Top view Bottom view

19. 19 SAS Use Cases Female Backplane Drive Connector Source: SAS-2 rev15a, Page 146 Top view Bottom view

20. 20 SAS Use Cases Male 4i Wide Cable Connector Source: SAS-2 rev15a, Page 149

21. 21 SAS Use Cases Female 4i Wide Cable Connector Source: SAS-2 rev15a, Page 149

22. 22 SAS Use Cases Female 4i Wide Cable Connector

23. 23 SAS Use Cases Male 4i Mini-SAS Cable Connector Source: SAS-2 rev15a, Page 152

24. 24 SAS Use Cases Female 4i Mini-SAS Cable Connector Source: SAS-2 rev15a, Page 152

25. 25 SAS Use Cases Male 4x Infiniband Style Cable Connector Source: SAS-2 rev15a, Page 155 Note: This is a legacy connector

26. 26 SAS Use Cases Male 4x Infiniband Style Cable Connector Note: This is a legacy connector

27. 27 SAS Use Cases Female 4x Infiniband Style Cable Connector Source: SAS-2 rev15a, Page 156 Note: This is a legacy connector

28. 28 SAS Use Cases Male 4x Mini-SAS Cable Connector Source: SAS-2 rev15a, Page 158 4 Variations Untrained 1.5 and 3.0 Gbps In/Out Trained 1.5, 3.0, and 6.0 Gbps In/Out Keyed and marked to distinguish

29. 29 SAS Use Cases Male 4x Mini-SAS Cable Connector Source: SAS-2 rev15a, Page 159

30. 30 SAS Use Cases Male 4x Mini-SAS Cable Connector Source: SAS-2 rev15a, Page 160

31. 31 SAS Use Cases Male 4x Mini-SAS Cable Connector Source: SAS-2 rev15a, Page 160

32. 32 SAS Use Cases Male 4x Mini-SAS Cable Connector Source: SAS-2 rev15a, Page 161

33. 33 SAS Use Cases Male 4x Mini-SAS Cable Connector Note: Non- keyed, universal connector

34. 34 SAS Use Cases Male 4x Mini-SAS Cable Connector

35. 35 SAS Use Cases Female 4x Mini-SAS Cable Connector Source: SAS-2 rev15a, Page 162