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Normally, setting cache=none is required in order to ensure a consistent view
of storage between the source and destination migration hosts. However, some
configurations have that quality without resorting to the use of an O_DIRECT
open (which is what cache=none does), and hence cache=none wouldn't be
necessary.
Unfortunately, libvirt is not able to determine on it's own all the
configurations which require cache=none for migration but in the interest of
safety enforces it when it isn't otherwise able to determine migration safety.
For this reason the libvirt api has an 'unsafe' option which allows the user
to override the safety migration checks.
This patch adds a checkbox to allow unsafe migration to the 'Advanced options'
portion of the migration dialog.
Signed-off-by: Charles Arnold <carnold@suse.com>
We could copy host CPU config by
button 'Copy host CPU configuration'.
If we regret to do this or the host CPU config
caused VM starting failure, we need a button to
help us clear CPU feature.
Signed-off-by: Chen Hanxiao <chenhanxiao@cn.fujitsu.com>
If libguestfs fails to inspect the guest then show a warning.
Now the "Operating System" and "Applications" frames are visible
only when the guest inspection is available.
Closes: https://bugzilla.redhat.com/show_bug.cgi?id=755869
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Hide the 'type' field on non-xen: we shouldn't need to expose
kvm vs. qemu in the UI, just assume if kvm is available we use it.
Hide arch if there's only one available. And hide the whole expander
if we hid both sub fields.
Moving name to the end allows us to do things like generate a default
name based on the chosen OS type, which we do here. This is bz 736951
Moving arch/type to the front page of the wizard simplifies validation
and will be needed to intuitively install arm guests without a bunch
of hacky workarounds.
- Hide backing store for formats that don't support it
- Hide allocation for qcow2 since it doesn't do anything
- Automatically select the storage format as specified in prefs
Show a screenshot in the 'new snapshot' wizard. If we successfully create
that snapshot, save the screenshot in
~/.cache/virt-manager/$connuri/$vmuuid/snap-screenshot-$snapname.$ext
And show it in the snapshot details overview. We don't do any reaping
on snapshot delete, vm delete, etc, but that could be added later.
We sort them separately in the snapshot list, explicitly mention that
they are 'external', and add a UI field listing the memory/disk
details.
In general mixing internal and external snapshots is a recipe for
confusion and disaster, so I think the best thing to do is at least
acknowledge their presence in the UI but not make any attempt to
predict what will or will not work.
Commit b79ba8382e2205c416d7c4836ac9ee08c72e2c56 in libvirt adds a
<title> attribute to the domain XML, that is used by the user to
identify more easily the VM. This feature is not supported by all
HVs. This patch allows to see and modify the title from the details
window.
Something similar was requested here:
https://bugzilla.redhat.com/show_bug.cgi?id=798949
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
