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Troubleshooting OpenStack : get unstuck and start stacking! /
Get unstuck and start stacking! About This Book Easily fix the nagging problems that commonly plague OpenStack and become the go-to person in your organization Get better equipped to troubleshoot and solve common problems in performance, availability, and automation that confront production-ready Op...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Birmingham, UK :
Packt Publishing,
2016.
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| Colección: | Community experience distilled.
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| Temas: | |
| Acceso en línea: | Texto completo Texto completo |
Tabla de Contenidos:
- Cover; Copyright; Credits; About the Author; About the Reviewer; www.PacktPub.com; Table of Contents; Preface; Chapter 1: The Troubleshooting Toolkit; The project overview of OpenStack; Keystone; Glance; Neutron; Nova; Cinder; Swift; Heat; Ceilometer; Horizon; Oslo; Documentation; Ironic; Magnum; Trove; Barbican; Congress; Designate; The supporting technologies; Linux; Databases; Message queue; The Apache web server; Basic troubleshooting methodology and tools; General Linux tools; Linux processes; ps; pgrep; pkill; top and htop; Hard drives; df; fdisk; parted; cat /proc/partitions
- Installed packagesGeneral tools; The watch command; File tools; Message broker tools; Summary; Chapter 2: Troubleshooting OpenStack Identity; Know your version; Running Keystone under Eventlet; Checking the Keystone service; Checking the Keystone client; Checking the OpenStack Client; The client debug mode; Checking the API; Keystone process not starting; Database stopped; The service catalog endpoint; Running under WSGI; mod_wsgi; wsgi-keystone.conf; Stopping the Eventlet process; Checking WSGI files; Checking the Keystone service; Summary
- Chapter 3: Troubleshooting the OpenStack Image Service Glance services; Confirming the Glance database; Confirming the Glance authentication; Keystone up; Service User Set Up; The service user setup; Service endpoints correct; Confirming the Glance API setup; Checking the command-line interface client; Glance logging and configuration; Where to look; Searching logs; Common errors; Unable to establish connection; Internal server errors (HTTP 500); Unable to validate token; Summary; Chapter 4: Troubleshooting OpenStack Networking; Identifying Neutron issues; Neutron services and agents
- Neutron logsCommon problems; When you can't ping an instance; Security groups; Network namespaces; No IP address; Troubleshooting tools; ovs-vsctl; The Neutron client; Summary; Chapter 5: Troubleshooting OpenStack Compute; Checking the services; nova-api; Address already in use; The permission error; nova-scheduler; nova-compute; nova-conductor; Supporting services; The Nova database; Nova authentication; Keystone up; Setting up the service user; Service endpoints correct; Nova and Glance; Nova and Neutron; Summary; Chapter 6: Troubleshooting OpenStack Block Storage; Cinder processes; Logging
- Cinder dependenciesKeystone authentication problems; RabbitMQ problems; Cinder errors; Missing the cinder-volumes volume group; The volume stuck in the creating state; Insufficient free space; Not sending heartbeat; Summary; Chapter 7: Troubleshooting OpenStack Object Storage; Swift processes; The proxy server; Swift authentication; Troubleshooting TempAuth; TempAuth configuration; Troubleshooting Swauth; Swauth initialization; Swift with Keystone; Swift users; Summary; Chapter 8: Troubleshooting the OpenStack the Orchestration Service; Heat services; Running heat-api; Running heat-engine