Difference between revisions of "Agile testbed"

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The latter example just specifies the storage pool to create an image on the fly, whereas the first pre-generates it. Both should work.
 
The latter example just specifies the storage pool to create an image on the fly, whereas the first pre-generates it. Both should work.
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The installation runs unattended with ''noautoconsole'', otherwise a VNC viewer is launched.
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* '''Record''' the new machine in [[Agile testbed/VMs]].
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* '''Write''' a changelog entry to [mailto:ctb-changelog@nikhef.nl the ctb-changelog] mailing list. Here is a '''[[Agile testbed/Templates|template]]'''
  
 
A few notes:
 
A few notes:
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** With Debian preseeding, this may be automated by either setting <tt>d-i netcfg/dhcp_options select Retry network autoconfiguration</tt> or <tt>d-i netcfg/dchp_timeout string 60</tt>.
 
** With Debian preseeding, this may be automated by either setting <tt>d-i netcfg/dhcp_options select Retry network autoconfiguration</tt> or <tt>d-i netcfg/dchp_timeout string 60</tt>.
 
* Sometimes, a storage device is re-used (especially when recreating a domain after removing it '''and''' the associated storage). The re-use may cause the partitioner to see an existing LVM definition and fail, complaining that the partition already exists; you can re-use an existing LVM volume by using the argument: <tt>--disk vol=vmachines/blah</tt>.
 
* Sometimes, a storage device is re-used (especially when recreating a domain after removing it '''and''' the associated storage). The re-use may cause the partitioner to see an existing LVM definition and fail, complaining that the partition already exists; you can re-use an existing LVM volume by using the argument: <tt>--disk vol=vmachines/blah</tt>.
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=== reinstalling a virtual machine ===
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In summary:
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# turn off the running machine
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# make libvirt forget it ever existed
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# remove the disk image
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# start from '''Choose a VM host''' in the procedure [[#creating a new virtual machine|creating a new virtual machine]].
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On the command line:
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virsh destroy argus-el5-32.testbed
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virsh undefine argus-el5-32.testbed
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sleep 1 # give libvirt some time to or the next call may fail
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virsh vol-delete /dev/vmachines/argus-el5-32.testbed.img
  
 
=== importing a VM image from another source ===
 
=== importing a VM image from another source ===

Revision as of 20:24, 22 February 2013