Book Image

VMware vSphere Troubleshooting

Book Image

VMware vSphere Troubleshooting

Overview of this book

VMware vSphere is the leading server virtualization platform with consistent management for virtual data centers. It enhances troubleshooting skills to diagnose and resolve day to day problems in your VMware vSphere infrastructure environment. This book will provide you practical hands-on knowledge of using different performance monitoring and troubleshooting tools to manage and troubleshoot the vSphere infrastructure. It begins by introducing systematic approach for troubleshooting different problems and show casing the troubleshooting techniques. You will be able to use the troubleshooting tools to monitor performance, and troubleshoot issues related to Hosts and Virtual Machines. Moving on, you will troubleshoot High Availability, storage I/O control problems, virtual LANS, and iSCSI, NFS, VMFS issues. By the end of this book, you will be able to analyze and solve advanced issues related to vShpere environment such as vcenter certificates, database problems, and different failed state errors.
Table of Contents (16 chapters)
VMware vSphere Troubleshooting
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Installing VMware vRealize Operations Manager
Power CLI - A Basic Reference
Index

Identifying storage devices and LUNs


The vSphere host storage troubleshooting requires you to use vSphere command-line utilities to detect a particular disk correctly. Part of troubleshooting also requires your skills to correctly identify connected LUNs to vSphere hosts. Let's view some commands that can be handy in your toolbox to identify the connected disks correctly:

esxcli storage core device list
naa.6b8ca3a0f2ab980019ffea2907f89b62
   Display Name: Local DELL Disk (naa.6b8ca3a0f2ab980019ffea2907f89b62)
   Has Settable Display Name: true
   Size: 190208
   Device Type: Direct-Access
   Multipath Plugin: NMP
   Devfs Path: /vmfs/devices/disks/naa.6b8ca3a0f2ab980019ffea2907f89b62
   Vendor: DELL
   Model: PERC H710P
   Revision: 3.13
   SCSI Level: 5
   Is Pseudo: false
   Status: on
   Is RDM Capable: false
   Is Local: true
   Is Removable: false
   Is SSD: false
   Is Offline: false
   Is Perennially Reserved: false
   Queue Full Sample Size: 0
   Queue Full Threshold: 0
   Thin...