diff options
Diffstat (limited to 'tools/virt-rescue')
| -rwxr-xr-x | tools/virt-rescue | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/tools/virt-rescue b/tools/virt-rescue index 9ad2fa4f..4f90ab10 100755 --- a/tools/virt-rescue +++ b/tools/virt-rescue @@ -37,6 +37,16 @@ virt-rescue - Run a rescue shell on a virtual machine virt-rescue [--options] disk.img [disk.img ...] +=head1 WARNING + +You must I<not> use C<virt-rescue> on live virtual machines. Doing so +will probably result in disk corruption in the VM. C<virt-rescue> +tries to stop you from doing this, but doesn't catch all cases. + +However if you use the I<--ro> (read only) option, then you can attach +a shell to a live virtual machine, but the results might be strange or +inconsistent at times (but you won't get disk corruption). + =head1 DESCRIPTION virt-rescue gives you a rescue shell and some simple recovery tools @@ -53,12 +63,6 @@ eg: # mount /dev/vg_f11x64/lv_root /sysroot # ls /sysroot -B<Note> that the virtual machine must not be powered on when you use -this tool. Doing so will probably result in disk corruption in the -VM. However if you use the I<--ro> (read only) option, then you can -attach a shell to a running machine, but the results might be strange -or inconsistent. - This tool is just designed for quick interactive hacking on a virtual machine. For more structured access to a virtual machine disk image, you should use L<guestfs(3)>. To get a structured shell, use |