Check out the NWIGNORECOMPRESSBIT option.

Regards,

Andy

Andy Raibeck
IBM Software Group
Tivoli Storage Manager Client Development
Internal Notes e-mail: Andrew Raibeck/Tucson/IBM@IBMUS
Internet e-mail: storman AT us.ibm DOT com

The only dumb question is the one that goes unasked.
The command line is your friend.
"Good enough" is the enemy of excellence.

"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 11/30/2004
11:49:46:

> Mark,
>
> First, let me say I don't do netware. My netware admins indicate that
> compression happens at the file level but then maybe we're both
confused.
>
> We are going to client compression because of a few clients with network
> restrictions but more because we are replacing most of our primary tape
> storage with a large local sata. Client cpu is cheaper than a bigger
> sata. There won't be much (if any) data in the onsite tapepool which
> gets compressed by the drives.
>
> Stapleton, Mark wrote:
>
> > From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On
> > Behalf Of Steve Bennett
> >
> >>We are considering use of client side compression on some of
> >>our netware tsm 5.2 clients.
> >>
> >>Netware is set to compress files that haven't been used in 7
> >>days. I found some doc that said even with "compress yes" the
> >>tsm client will not compress netware compressed files before
> >>sending. But what about when the file goes from netware
> >>uncompressed to compressed?
> >>
> >>For instance, I create file A on the netware box today and
> >>during the nightly backup it gets processed. Then the file
> >>isn't touched for 7 days so netware compresses it. Does the
> >>tsm client then backup the file again because it changed?
> >
> >
> > I'm confused about something. If memory serves, NetWare compression
> > doesn't actually compress individual files; my understanding is that
it
> > compresses the entire volume structure. (This was the reason that you
> > couldn't restore compressed NetWare files to an uncompressed volume,
and
> > vice versa.)
> >
> > Or are you running a utility that compresses a single file at a time?
> >
> > (Why do you want to run client compression in the first place?
> > Constricted network bandwidth?)
> >
> > --
> > Mark Stapleton (stapleton AT berbee DOT com)
> > Berbee Information Networks
> > Office 262.521.5627
> >
>
> --
>
> Steve Bennett, (907) 465-5783
> State of Alaska, Enterprise Technology Services, Technical Services
Section