Objectives

This course focuses on enabling you to do the following:

• Analyze ONTAP SAN components and Cluster Transaction Manager (CTRAN) groups
• Troubleshoot cluster interconnect issues
• Discover LUN and namespace mapping and pathing
• Investigate storage states and zoning issues
• Examine LIF “up/down” scenarios and LUN space errors
• Troubleshoot quorum issues
• Examine the SCSI unmap process
• Identify the SRAM dump process

Role  

Support engineers, implementation engineers, and professional services

Prerequisites

• Learners should have experience troubleshooting ONTAP based storage systems.
• Learners should have experience with SAN environments.

Course Content

Module 1: ONTAP SAN core troubleshooting

• ONTAP SAN architecture
• BCOMKA
• Cluster network
• CTRAN groups
• SLUR

Exercises

• Examining cluster services

Module 2: LUN and namespace access

• LUN and namespace mapping
• Storage pathing
• Storage states
• Zoning

Exercises

Accessing LUNs and namespaces

Module 3: SAN LIF and storage availability

• FCP LIF “up/down”
• LUN space issues

Exercises

• Examining SAN LIF and storage availability

Module 4: Additional SAN troubleshooting

• SAN quorum
• SCSI unmap
• SRAM dump

Exercises

• Performing additional SAN troubleshooting