Overview: The Next Generation Mass Storage Stack (September 2009)
Table Of Contents
- Abstract
- Background
- Features of the Next Generation Mass Storage Stack
- Impact
- Background
- Impact
- Background
- Impact
- Background
- Impact
- Impact
- Introduction to the Agile View
- Changes to I/O and Mass Storage Subsystems
- Changes to Other Subsystems
- Migrating to the Agile View
- Conclusion
- Glossary
- Appendix A: Summary of Changes
- Appendix B: Using ioscan
- Appendix C: Using scsimgr
- Appendix D: Interpreting Lunpath Hardware Paths
- For more information

Figure 1: Legacy View
# ioscan -fkn
Class I H/W Path Driver S/W State H/W Type Description
=============================================================================
ext_bus 2 0/1/1/0 mpt CLAIMED INTERFACE SCSI Ultra320
target 0 0/1/1/0.0 tgt CLAIMED DEVICE
disk 1 0/1/1/0.0.0 sdisk CLAIMED DEVICE HP 36.4GST336753LC
/dev/dsk/c2t0d0 /dev/rdsk/c2t0d0
target 1 0/1/1/0.1 tgt CLAIMED DEVICE
disk 0 0/1/1/0.1.0 sdisk CLAIMED DEVICE HP 36.4GST336753LC
/dev/dsk/c2t1d0 /dev/rdsk/c2t1d0
fc 0 0/2/1/0 td CLAIMED INTERFACE Fibre Channel Adapter
fcp 0 0/2/1/0.1 fcp CLAIMED INTERFACE FCP Domain
ext_bus 7 0/2/1/0.1.6.0.0 fcparray CLAIMED INTERFACE FCP Array Interface
target 9 0/2/1/0.1.6.0.0.2 tgt CLAIMED DEVICE
disk 22 0/2/1/0.1.6.0.0.2.0 sdisk CLAIMED DEVICE HP MSA VOLUME
/dev/dsk/c7t2d0 /dev/rdsk/c7t2d0
disk 23 0/2/1/0.1.6.0.0.2.1 sdisk CLAIMED DEVICE HP MSA VOLUME
/dev/dsk/c7t2d1 /dev/rdsk/c7t2d1
fc 1 0/4/1/0 td CLAIMED INTERFACE Fibre Channel Adapter
fcp 1 0/4/1/0.1 fcp CLAIMED INTERFACE FCP Domain
ext_bus 11 0/4/1/0.1.6.0.0 fcparray CLAIMED INTERFACE FCP Array Interface
target 17 0/4/1/0.1.6.0.0.2 tgt CLAIMED DEVICE
disk 45 0/4/1/0.1.6.0.0.2.1 sdisk CLAIMED DEVICE HP MSA VOLUME
/dev/dsk/c11t2d1 /dev/rdsk/c11t2d1
10