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28d182506a
libvirt-guests is a perfect use case for bypassing the file system cache - lots of filesystem traffic done at system shutdown, where caching is pointless, and startup, where reading large files only once just gets in the way. Make this a configurable option in the init script, but defaulting to existing behavior. * tools/libvirt-guests.sysconf (BYPASS_CACHE): New variable. * tools/libvirt-guests.init.sh (start, suspend_guest): Use it.
33 lines
1.3 KiB
Plaintext
33 lines
1.3 KiB
Plaintext
# URIs to check for running guests
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# example: URIS='default xen:/// vbox+tcp://host/system lxc:///'
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#URIS=default
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# action taken on host boot
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# - start all guests which were running on shutdown are started on boot
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# regardless on their autostart settings
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# - ignore libvirt-guests init script won't start any guest on boot, however,
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# guests marked as autostart will still be automatically started by
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# libvirtd
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#ON_BOOT=start
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# number of seconds to wait between each guest start
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#START_DELAY=0
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# action taken on host shutdown
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# - suspend all running guests are suspended using virsh managedsave
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# - shutdown all running guests are asked to shutdown. Please be careful with
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# this settings since there is no way to distinguish between a
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# guest which is stuck or ignores shutdown requests and a guest
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# which just needs a long time to shutdown. When setting
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# ON_SHUTDOWN=shutdown, you must also set SHUTDOWN_TIMEOUT to a
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# value suitable for your guests.
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#ON_SHUTDOWN=suspend
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# number of seconds we're willing to wait for a guest to shut down
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#SHUTDOWN_TIMEOUT=0
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# If non-zero, try to bypass the file system cache when saving and
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# restoring guests, even though this may give slower operation for
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# some file systems.
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#BYPASS_CACHE=0
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