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hypervisor:base:xen [2014/04/03 01:20] admin [Configure Dom0 Memory] |
hypervisor:base:xen [2014/04/03 02:07] (current) admin Links adapted because of a move operation |
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====== Xen ====== | ====== Xen ====== | ||
<WRAP center round important 60%> | <WRAP center round important 60%> | ||
- | In case you want to install the full XCP-XAPI toolstack, don't go any further and read the [[hypervisor:base:xcp|XCP-XAPI]] section. | + | In case you want to install the full XCP-XAPI toolstack, don't go any further and read the [[xcp-xapi|XCP-XAPI]] section. |
</WRAP> | </WRAP> | ||
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===== Reliable Setup ===== | ===== Reliable Setup ===== | ||
+ | |||
To avoid random, unexplained performance issues and failures in a XEN virtualization environment the following configuration items should always be checked; Correspondingly, before troubleshooting ANY XEN Host or VM issue verify the XEN Host configuration as follows: | To avoid random, unexplained performance issues and failures in a XEN virtualization environment the following configuration items should always be checked; Correspondingly, before troubleshooting ANY XEN Host or VM issue verify the XEN Host configuration as follows: | ||
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* Only use Logical Volume Manager (LVM) on Dom0 or DomU, but not both | * Only use Logical Volume Manager (LVM) on Dom0 or DomU, but not both | ||
+ | More (for SUSE): [[http://www.novell.com/support/kb/doc.php?id=3559698]] | ||
==== Configure Dom0 Memory ==== | ==== Configure Dom0 Memory ==== | ||
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At this point you should **reboot** so that these changes take effect. | At this point you should **reboot** so that these changes take effect. | ||
+ | === Ensure that Xen is running === | ||
+ | <code> | ||
+ | > cat /proc/xen/capabilities | ||
+ | </code> | ||
+ | Should display “control_d” | ||
===== Configure guest behaviour on host reboot ===== | ===== Configure guest behaviour on host reboot ===== | ||