| Message ID | 1345231508-7633-4-git-send-email-kwolf@redhat.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/qemu-img.texi b/qemu-img.texi index 77c6d0b..77b2c47 100644 --- a/qemu-img.texi +++ b/qemu-img.texi @@ -4,6 +4,14 @@ usage: qemu-img command [command options] @c man end @end example +@c man begin DESCRIPTION +qemu-img allows you to create, convert and modify images offline. It can handle +all image formats supported by QEMU. + +@b{Warning:} Never use qemu-img to modify images in use by a running virtual +machine or any other process; this may destroy the image. +@c man end + @c man begin OPTIONS The following commands are supported:
People have repeatedly expected that you can do things like snapshotting an image with qemu-img while a qemu instance is running. Maybe we need to consider locking the files while they are in use, but having a warning in the qemu-img manpage is doable for 1.2 and can't hurt anyway. Signed-off-by: Kevin Wolf <kwolf@redhat.com> --- qemu-img.texi | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)