XenServer Administration Handbook. Practical Recipes for Successful Deployments - Helion

ebook

Autor: Tim Mackey, J. K. Benedict
ISBN: 978-14-919-3539-2
stron: 142, Format: ebook
Data wydania: 2016-04-05
Księgarnia: Helion

Cena książki: 92,65 zł (poprzednio: 107,73 zł)
Oszczędzasz: 14% (-15,08 zł)

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Packed with practical advice, this hands-on guide provides valuable information you need to most effectively optimize and manage the XenServer open source virtualization platform. Whether you run a modest installation of a few blades or multiple global enterprise datacenters, this book focuses on the most critical issues you’re likely to encounter when designing a XenServer deployment and helps you handle day-to-day management tasks.

Tim Mackey and J.K. Benedict from Citrix Systems, the company that manages XenServer, show you how to design a deployment through best practices, deployment blueprints, and installation guidelines. The book’s second part features concise, easy-to-implement recipes for day-to-day management, such as user rights, backup strategies, and hardware maintenance.

Learn precisely what makes a XenServer work, and how it can host 1000 virtual machines
Explore the core components of a production XenServer environment
Investigate several options on how and where to install XenServer
Examine several factors for "right sizing" your XenServer deployment to fit your needs
Work with a decision tree to optimize your XenServer deployment design
Understand how to accommodate guest VM virtualization modes
Use recipes that help you plan for, obtain, and apply XenServer upgrades

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Spis treści

XenServer Administration Handbook. Practical Recipes for Successful Deployments eBook -- spis treści

Preface
- How This Book Is Organized
- Who This Book Is Written For
- About Us
- Conventions Used in This Book
- Using Code Examples
- Safari Books Online
- How to Contact Us
- Acknowledgments
  - From Jesse
  - From Tim
I. Designing a Successful XenServer Deployment
1. What Is a XenServer?
- The Xen Hypervisor
- Tooling for Xen Virtualization
2. Core Architecture and Critical Components
- XenServer Isnt Linux, but dom0 Is
  - Architecture Interface
- XenCenter: A Graphical Xen Management Tool
- Core Processes
  - XAPI
  - xhad
  - xenopsd
  - xcp-rrdd
  - xcp-networkd
  - SM
  - perfmon
  - mpathalert
  - snapwatchd
  - stunnel
  - xenconsoled
  - xenstored
  - squeezed
- Critical Configuration Files
  - /boot/extlinux.conf
  - /etc/hosts
  - /etc/hostname
  - /etc/multipath.conf
  - /etc/resolv.conf
  - /etc/iscsi/initiatorname.iscsi
  - /etc/xensource/
    - boot_time_cpus
    - /etc/xensource/bugtool/
    - /etc/xensource/db.conf
    - /etc/xensource/installed-repos/
    - /etc/xensource/master.d/
    - /etc/xensource/network.conf
    - /etc/xensource/pool.conf
    - /etc/xensource/ptoken
    - /etc/xensource/scripts/
    - /etc/xensouce/xapi-ssl.conf
    - /etc/xensouce/xapi-ssl.pem
    - /etc/ntp.conf
    - /var/xapi/
    - /var/patch/ and /var/patch/applied/
- XenServer Object Relationships
  - Network Objects
    - pif
    - network
    - vif
    - bond
  - GPU Objects
    - pGPU
    - gpu-group
    - vgpu
  - Storage Objects
3. Installing XenServer
- Manual Installation
- Unattended Installation
- Boot from SAN
- Supplemental Packs
- Third-Party Driver Disks
4. Design Assumptions Impacting Deployment
- Pooled Hosts Versus Standalone Hosts
  - Pool Master Versus Pool Member
  - Processor Compatibility Within Pools
  - Resource Pool Sizing
  - When to Create a New Pool
- Defining a Management Paradigm
  - Provisioning Tools
  - Multiple XenCenter Administrators
- Hardware Compatibility
  - Host Requirements
  - BIOS, Firmware, and Driver Updates
- Shared Versus Local Storage
  - Storage Provisioning Model
    - Thick provisioning
    - Thin provisioning
    - Sparse allocation
- Storage I/O Operations Per Second (IOPS)
  - Validating Local Storage
- Memory Management
  - Fixed Memory Concepts
    - Host memory
    - Hypervisor memory
    - dom0 memory
  - Dynamic VM Memory Management
    - Implementation
    - Enabling dynamic memory management
    - Migration of VMs to other hosts
- Planning for Infrastructure Failure
  - Host Failure Protection
    - Protection levels
  - Preventing Aggressive Fencing
  - Capacity Planning During Failure
  - No Single Points of Failure
5. Deployment Blueprint
- Start with Storage
  - Local Versus Shared Storage
  - NFS Versus iSCSI
  - Fibre Channel and HBAs
  - Multipath Configurations
- Define Network Topologies
  - Bonding and LACP
    - active-backup bonding
    - balance-slb bonding
    - LACP bonds
  - Jumbo Frames
6. Understanding Guest VM Types
- HVM Guests
- PV Guests
- Microsoft Windows in XenServer
- HVM versus Linux PV
II. Management Recipes
7. Installation Recipes
- Manual Installation
- Creating a Bootable USB Device
- Unattended Installation
- Boot from SAN
- Installation of Supplemental Packs
- Driver Disks
- Slipstreaming Drivers and Supplemental Packs
8. Planning for Upgrades
- Security Patches
- Learning of a New Hotfix or Patch
- Determine if a Hotfix Is Present
- Applying Patches to XenServer
9. Log Management
- Log Configuration
- Log Rotation
- Log Aggregation
- Throttling SNMP ACKs
10. Backup Strategies
- Backup dom0
- Pool and XAPI Database Backup
- VM Backup
- Metadata Backup and Restore
- Portable Storage Repositories
11. User Management
- Enabling Roles Based Authentication
- Configuring Users
- Removing Users
- Disable External Authentication
- Privileged (Root) Password Recovery
12. SSL Certificates
- Apply a Commercial Certificate
- Create a New Self-Signed Certificate
13. Hardware Maintenance
- Upgrades, Support, and Hardware
- Storage
  - Adding Local Storage
    - Problem
    - Solution
    - Discussion
  - USB Storage for Backup
    - Problem
    - Solution
    - Discussion
- Networking
  - Replacing a NIC
    - Problem
    - Solution
    - Discussion
- Hosts
  - Adding a New Host to a Pool
    - Problem
    - Solution
    - Discussion
  - Recovery from Host Failure When HA Is Enabled
    - Problem
    - Solution
    - Discussion
Index