
Hosts and Resource Pools Overview | 22 |
Requirements for Creating Resource Pools | 22 |
Creating a Resource Pool | 23 |
Creating Heterogeneous Resource Pools | 23 |
Adding Shared Storage | 24 |
Removing a XenServer Host from a Resource Pool | 25 |
Preparing a Pool of XenServer Hosts for Maintenance | 25 |
High Availability | 26 |
HA Overview | 26 |
Overcommitting | 26 |
Overcommitment Warning | 27 |
Host Fencing | 27 |
Configuration Requirements | 27 |
Restart Priorities | 28 |
Enabling HA on a XenServer Pool | 29 |
Enabling HA Using the CLI | 29 |
Removing HA Protection from a VM using the CLI | 29 |
Recovering an Unreachable Host | 30 |
Shutting Down a host When HA is Enabled | 30 |
Shutting Down a VM When it is Protected by HA | 30 |
Host Power On | 30 |
Powering on Hosts Remotely | 30 |
Using the CLI to Manage Host Power On | 31 |
To Enable Host Power On Using the CLI | 31 |
To Turn on Hosts Remotely Using the CLI | 31 |
Configuring a Custom Script for XenServer's Host Power On Feature | 31 |
Key/Value Pairs | 32 |
host.power_on_mode | 32 |
host.power_on_config | 32 |
Sample Script | 32 |
Storage | 34 |
iv