Doug Gullett  wrote:

> Sorry this question is sorta a tangent of the current one.  This 100MB/volume
> general rule, does it mean performance degragation when you go much over
> that or is it just for convenience when restoring....etc.

Volume limits are useful in restricting projects (or users) to a
certain size, just like quotas, disk sizes, partition sizes ... Also,
large temporary data sets used by a program are better not kept on
network connected drives, and limiting volume sizes makes that easy.
This, of course, does not stop determined wreckers, but most (!) real
users hate programming around such restrictions, and therefore keep
within the limits.

Since You have to backup a volume, that is a so-manny megabyte chunk.
100 Megabyte would go onto a QIC 120 tape (with a little luck), onto a 
QIC 150 tape for sure.  Restoring a big volume is always a problem if
you lack the disk space, or have it splattered over several disks.

                                Thomas

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