so, when you typed the reboot command, did you monitor whether the server is actually rebooting? I recommend this command to check that:
Code:
ping -f -i 1 server.ovh.net
In the netboot process to put the server into rescue mode, the only delays are for the server to shutdown first, load the rescue-pro kernel through the network and boot it up, that's all. So there is no much to delay.
The access codes are generated once the system can check that the server's booted up correctly in rescue mode.
Normally, 20 min max, and mostly is because the check to make sure that the system is really booted up in rescue before sending the codes.
Now, if there is something wrong with the server, and it's not booting up, then an engineer will be sent to the server within SLA to check it. In this case, it's a malfunction.