Ron Burnett wrote:
>
> Has anyone got any idea why C1504B DDS Drive (DDS-1 but
> with hardware compression) should dynamically, without
> any human intervention, switch off compression?

I don't know about any "dynamic" methods that don't require some form
of manual intervention, but bear in mind that each time that you boot
the system the drive will be reset with compression and auto-eject
disabled.

> I guess one solution is to put a call to devctrl.privxl.telesup (or
> whatever its called) to force compression on, at the beginning
> of each store job.

That was my solution.  Bear in mind, if your backup runs as a non-SM
user, that by default installation/update of MPE, devctrl cannot be
executed by a non-telesup user.  I usually forget to :altsec it :-)

> But isn't that a bit of a kludge?

Yes.  But a relatively minor one, relatively speaking.

Jeff Kell <[log in to unmask]>