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The comment that > For instance, qemu-ga doesn't support guest time synchronization on > Windows guests, but Linux ones. Was correct at the time, but has since been addressed by qemu/qemu@105fad6bb2, which added support for set-time without a time argument, as used by `virsh domtime --sync` by libvirt-guests.sh. I can confirm that `virsh domtime --sync` works correctly on a Windows 10 guest, as does `SYNC_TIME=1`. (Note that there can be a significant delay between when the command completes and when the guest time finishes synchronizing due to QEMU GA calling `w32tm` with `/nowait`, which complicates testing.) Signed-off-by: Kevin Locke <kevin@kevinlocke.name>
51 lines
2.2 KiB
Plaintext
51 lines
2.2 KiB
Plaintext
# Customizations for the libvirt-guests.service systemd unit
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# URIs to check for running guests
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# example: URIS='default xen:///system vbox+tcp://host/system lxc:///system'
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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. Set to 0 to allow
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# parallel startup.
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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 guests will be shutdown concurrently, taking effect when
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# "ON_SHUTDOWN" is set to "shutdown". If Set to 0, guests will be shutdown one
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# after another. Number of guests on shutdown at any time will not exceed number
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# set in this variable.
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#PARALLEL_SHUTDOWN=0
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# Number of seconds we're willing to wait for a guest to shut down. If parallel
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# shutdown is enabled, this timeout applies as a timeout for shutting down all
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# guests on a single URI defined in the variable URIS. If this is 0, then there
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# is no time out (use with caution, as guests might not respond to a shutdown
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# request). The default value is 300 seconds (5 minutes).
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#SHUTDOWN_TIMEOUT=300
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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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# If non-zero, try to sync guest time on domain resume. Be aware, that
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# this requires guest agent with support for time synchronization
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# running in the guest. By default, this functionality is turned off.
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#SYNC_TIME=1
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