[Info-vax] "cloning" disks initially, after upgrades, after patches

AEF spamsink2001 at yahoo.com
Mon Nov 22 12:58:21 EST 2010


On Nov 22, 10:26 am, koeh... at eisner.nospam.encompasserve.org (Bob
Koehler) wrote:
> In article <icc4kd$gm... at online.de>, hel... at astro.multiCLOTHESvax.de (Phillip Helbig---undress to reply) writes:
>
>
>
> > How do folks here deal with A, B and C?
>
>    I keep as few as possible system disks.  Why use up storage for
>    multiple copies if I don't need to?  From decades of experience,
>    I find that every time you copy something you double the
>    maintenance effort.
>
>    Updating anything on a system disk used by more than one system
>    should always result in the common files being updated.  That saves
>    lots of time.
>
>    Cloning disks can be hazardous to your license database and other
>    files that are often unique between systems but located on the
>    system disk.  I knew of one shop that could never keep thier license
>    databases straight because of this.
>
>    I kept SYSTARTUP_VMS.COM in SYS$COMMON and had it call node specific
>    scripts only where needed, and then by using f$getsyi("nodename").
>
>    When applying the same change to lots of systems, I would update the
>    appropriate system disk and then update any node specific scripts on
>    that disk by writing an EDT command file and starting it on all those
>    nodes via SYSMAN.

Have you had any problems with overloading the system disk this way?
Do you move SYSUAF.DAT, the queue-manager files, and such, off the
system disk?

Not being critical; just asking. The thought simply occurred to me.

AEF



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