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. | ||
| + | The installation runs unattended with ''noautoconsole'', otherwise a VNC viewer is launched. | ||
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| + | * '''Record''' the new machine in [[Agile testbed/VMs]]. | ||
| + | * '''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: | ||
| + | # turn off the running machine | ||
| + | # make libvirt forget it ever existed | ||
| + | # remove the disk image | ||
| + | # 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: | ||
| + | virsh destroy argus-el5-32.testbed | ||
| + | virsh undefine argus-el5-32.testbed | ||
| + | sleep 1 # give libvirt some time to or the next call may fail | ||
| + | virsh vol-delete /dev/vmachines/argus-el5-32.testbed.img | ||
=== importing a VM image from another source === | === importing a VM image from another source === | ||
