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docs: Reformat snapshot-revert force reasons 

Reformat explanations of the snapshot-revert force reasons in
preparation for more to be added. This is a simple reformat without any
wording changes.

Signed-off-by: Michael Weiser <michael.weiser@gmx.de>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michael Weiser 2020-01-03 19:43:24 +01:00 committed by Michal Privoznik
parent 5373f63b30
commit 29773f2a75
1 changed files with 16 additions and 14 deletions
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docs/manpages/virsh.rst
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@ -6971,20 +6971,22 @@ transient domains cannot be inactive, it is required to use one of these
flags when reverting to a disk snapshot of a transient domain.
There are two cases where a snapshot revert involves extra risk, which
requires the use of *--force* to proceed. One is the case of a
snapshot that lacks full domain information for reverting
configuration (such as snapshots created prior to libvirt 0.9.5);
since libvirt cannot prove that the current configuration matches what
was in use at the time of the snapshot, supplying *--force* assures
requires the use of *--force* to proceed:
* One is the case of a snapshot that lacks full domain information for
reverting configuration (such as snapshots created prior to libvirt
0.9.5); since libvirt cannot prove that the current configuration matches
what was in use at the time of the snapshot, supplying *--force* assures
libvirt that the snapshot is compatible with the current configuration
(and if it is not, the domain will likely fail to run). The other is
the case of reverting from a running domain to an active state where a
new hypervisor has to be created rather than reusing the existing
hypervisor, because it implies drawbacks such as breaking any existing
VNC or Spice connections; this condition happens with an active
snapshot that uses a provably incompatible configuration, as well as
with an inactive snapshot that is combined with the *--start* or
*--pause* flag.
(and if it is not, the domain will likely fail to run).
* The other is the case of reverting from a running domain to an active
state where a new hypervisor has to be created rather than reusing the
existing hypervisor, because it implies drawbacks such as breaking any
existing VNC or Spice connections; this condition happens with an active
snapshot that uses a provably incompatible configuration, as well as with
an inactive snapshot that is combined with the *--start* or *--pause*
flag.
snapshot-delete