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Diffstat (limited to 'vm-manager/README.md')
| -rw-r--r-- | vm-manager/README.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/vm-manager/README.md b/vm-manager/README.md index 8d817f9..bcf12ac 100644 --- a/vm-manager/README.md +++ b/vm-manager/README.md @@ -85,6 +85,18 @@ in a delete confirmation gives it up. ## Destructive actions +`Discard saved state` appears on a shut-off VM only when one actually exists, +and runs `virsh managedsave-remove`. A VM that was saved rather than shut down +restores that memory image on the next `start`, and when the image cannot be +restored the start fails every time with a QEMU `migrate-incoming` error while +the panel shows an ordinary `shut off`. Discarding it deletes the memory image +and nothing else, so the next start is a cold boot and the disk is untouched. +That is why it takes a confirmation but not a typed name. + +Detection is `virsh dominfo`, grepped for `Managed save: yes`, once per VM on +every list refresh. `domstats` does not carry it and `virsh list --name` drops +the column that would. + `Reset`, `Force stop`, snapshot `Revert` and snapshot `Delete` each take one confirmation click. `Delete VM` requires the machine's name to be typed, because it runs `virsh undefine --remove-all-storage`, which erases the disk |