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Troubleshooting vSphere storage : become a master at troubleshooting and solving common storage issues in your vSphere environment /
This is a step-by-step example-oriented tutorial aimed at showing the reader how to troubleshoot a variety of vSphere storage problems, and providing the reader with solutions that can be completed with minimal effort and time in order to limit damage to work. If you are a vSphere administrator, thi...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Birmingham :
Packt Publishing,
2013.
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| Colección: | Professional expertise distilled.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover; Copyright; Credits; About the Author; Acknowledgment; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1:Understanding vSphere Storage Concepts and Methodologies; Storage virtualization; Supported filesystems; VMFS; NFS; Raw disk; Storage naming; Viewing device identifiers; Within the vSphere Client; Within ESXi Shell; The many ways vSphere identifies storage; Friendly names; Identifiers; Runtime names; The vSphere Pluggable Storage Architecture; Pluggable Storage Architecture (PSA) roles and commands.
- Multipathing Plugin
- the VMware Native Multipathing Plugin roles and commandsStorage Array Type Plugin roles and commands; Path Selection Plugin roles and commands; An I/O request
- from start to finish; Summary; Chapter 2:Commonly Used Tools for Troubleshooting Storage; The vSphere troubleshooting methodology; vCenter Storage Views (Reports and Maps); Reports; Maps; Using esxtop/resxtop; Switching displays; Field customization; Refresh interval; Logfiles used in vSphere Storage troubleshooting; ESXi logging; Viewing ESXi logs; vCenter Server logging; Virtual machine logging; Summary.
- Chapter 3:Troubleshooting Storage VisibilityCommon storage visibility issues across block transport types; ESXi claim rules and LUN masking; Troubleshooting paths and path selection; vCenter Server Storage filters; Disk resignaturing; LUN numbering; Troubleshooting Fibre Channel storage visibility; Registered State Change Notification (RSCN); Identifying and interpreting Fibre Channel connection issues in the logs; Troubleshooting IP storage visibility; Verifying network connectivity to our iSCSI and NFS array; iSCSI and NFS port requirements; CHAP authentication.
- Identifying and interpreting iSCSI storage connection issues in the logsTroubleshooting NFS storage; NFS ACLs; NFS permissions; Identifying and interpreting NFS storage connection issues in the logs; Summary; Chapter 4:Troubleshooting Storage Contention; Identifying storage contention and performance issues; Disk adapter latency statistics; Disk device latency statistics; Virtual machine latency statistics; Using vCenter alarms to monitor latency; Planning
- how to properly scale your storage; Calculating IOPs requirements; Calculating the number of disks required.
- How do we know when we need more IOPs?vSphere features to help with latency, contention, placement, and compliance; Profile-Driven Storage; Storage DRS for performance; SCSI reservation conflicts; Monitoring SCSI reservation conflicts with esxtop; Resolving excessive SCSI resolutions; Storage queuing in vSphere; OS queue; Adapter queue; Per-LUN queue; Viewing queues in ESXi; vSphere Storage I/O Control; Configuring Storage I/O Control; Troubleshooting NAS/iSCSI storage performance; iSCSI port binding and Round Robin path policy; Jumbo Frames and MTU size; Summary.