Unix 7.1.4 /stand boot problem

January 13, 2013 at 19:38:39
Specs: UNIX 7.1.4
I have loaded UNIX 7.1.4 and when booting it comes up to "boot" prompt. This is where I can boot off unix.old, then go to /stand, copy it in to the UNIX file and rebooting to read in the new UNIX file. All is good until rebooting later.

TA126144 stated that the cause is: The /stand/unix file is either missing or is zero length. Thanks, it would be nice to know what causes it and how to correct it from happening again.

Any ideas or suggestions are greatly welcome.

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January 14, 2013 at 02:13:55
The only thing I can think of is that you set the permissions of the file to exclude write access to everyone. That way whatever is deleting/truncating it may be unable to do so.

I presume that you are shutting down the system correctly (shutdown -i6).

Is there a particular reason why you are using such an obsolete version of Unix?

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January 14, 2013 at 12:08:19
The permissions for that are as follows:

-rwxr--r-- 1 root root 0 Jan 10 2013 unix
-rwxr--r-- 1 root root 0 Oct 12 2012 unix.old

Should they be something else? I do shut them down correctly, but these machines are located several states away and I support them by dialing in. I have instructed the users how to shutdown, but you never know.

Unix 7.1.4 is currently the newest sold by UnXis. I am required by the accompanying software to use Unix.

Thank for your help.

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January 14, 2013 at 14:25:26
I'm not really familiar with UnixWare, but I just wonder if setting the permission on unix, or even both of those files, to -r-x--r--r-- might stop them being overwritten. The only time this should happen is when the system is trying to compile a new kernel (say after a hardware change). It's almost as if it is doing this but failing for some reason.

But as I say, I'm not familiar with UnixWare - just thinking aloud. I appreciate that you are stuck with this system; problem is there is no support any longer.

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