[Info-vax] New installment in The OpenVMS Consultant: Shutdowns using STARTUP.COM

[Jan-Erik Söderholm]

Den 2020-12-28 kl. 15:00, skrev Simon Clubley:
> On 2020-12-28, Jan-Erik Söderholm <jan-erik.soderholm at telia.com> wrote:
>> Den 2020-12-28 kl. 02:26, skrev Simon Clubley:
>>> On 2020-12-27, David Jones <osuvman50 at gmail.com> wrote:
>>>>
>>>> The biggest hazard to an orderly shutdown is that you terminal session goes when the network is shut off, leaving your system in a partially shutdown state.
>>>> I changed my shutdown symbol from "@sys$system:shutdown ..." to "$SYSMAN SHUTDOWN NODE /minutes=..." (appending /auto/save as needed).
>>>
>>> That's another thing that Unix got right big time.
>>>
>>> I routinely reboot Linux servers from a SSH session to the server
>>> and never have to worry about this.
>>>
>>
>> As I have always done for VMS servers. I do not see what
>> Unix "got right" here that is different from VMS.
>>
> 
> Shutdown or reboot on Unix consists of sending a message to the
> system via a command and then the system takes care of it from there.
> 

Yes, what I just described on our VMS systems.

> On Unix, after the initial shutdown or reboot request is sent by the
> user, no shutdown commands whatever are issued within the context of
> the session requesting the shutdown or reboot.
> 

Yes, same here.

> VMS has a number of good and unique features, even now, but the
> shutdown/reboot architecture and especially the system startup
> architecture is far superior in Unix than it is in VMS.
> 

The popularity of Unix has nothing to do with good design.

>> As long as you do not run SHUTDOWN.COM interactivily
>> from a TCPIP based termninal session, you are fine,
>> but that is easy to avoid.
> 
> But in a properly designed system, that simply should not be a concern.
> 
> Simon.
> 

I would not say that our systems are properly designed, but shutdown
or reboot are not of any concern, in our systems.

I really do not understand why you feel urged to become so upset
over less then 10 lines of DCL to get what is requested.