diff options
Diffstat (limited to 'guestfish-actions.pod')
| -rw-r--r-- | guestfish-actions.pod | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/guestfish-actions.pod b/guestfish-actions.pod index fa82ef1b..9b07c402 100644 --- a/guestfish-actions.pod +++ b/guestfish-actions.pod @@ -6,6 +6,11 @@ This function adds a virtual CD-ROM disk image to the guest. This is equivalent to the qemu parameter C<-cdrom filename>. +Note that this call checks for the existence of C<filename>. This +stops you from specifying other types of drive which are supported +by qemu such as C<nbd:> and C<http:> URLs. To specify those, use +the general C<config> call instead. + =head2 add-drive | add add-drive filename @@ -23,6 +28,32 @@ image). This is equivalent to the qemu parameter C<-drive file=filename>. +Note that this call checks for the existence of C<filename>. This +stops you from specifying other types of drive which are supported +by qemu such as C<nbd:> and C<http:> URLs. To specify those, use +the general C<config> call instead. + +=head2 add-drive-ro | add-ro + + add-drive-ro filename + +This adds a drive in snapshot mode, making it effectively +read-only. + +Note that writes to the device are allowed, and will be seen for +the duration of the guestfs handle, but they are written +to a temporary file which is discarded as soon as the guestfs +handle is closed. We don't currently have any method to enable +changes to be committed, although qemu can support this. + +This is equivalent to the qemu parameter +C<-drive file=filename,snapshot=on>. + +Note that this call checks for the existence of C<filename>. This +stops you from specifying other types of drive which are supported +by qemu such as C<nbd:> and C<http:> URLs. To specify those, use +the general C<config> call instead. + =head2 aug-close aug-close |