I too am looking to upgrade all of my servers from 7.1.7.300, soon.  I went
through the documents in your link (IBM - one of them 404's).  My first
concern would be upgrading the offsite replica server. While there is
documentation about library manager/client  server levels/compatibility
(pretty sure need to do LM servers first), does the new forced security
require SSL/TLS for server-to-server communications?  If I upgrade/update
the replica server to 7.1.8, will that kill it's communication with the
5-other 7.1.7.3 servers that aren't talking SSL/TLS?

On Tue, Jan 2, 2018 at 4:42 PM, Skylar Thompson <skylar2 AT u.washington DOT 
edu>
wrote:

> There's pretty wide version compatibility between clients and servers; we
> didn't go v7 server-side until pretty recently but have been running the v7
> client for a while. IBM has a matrix published here:
>
> http://www-01.ibm.com/support/docview.wss?uid=swg21053218
>
> For basic backups and restores I think you can deviate even more, but
> obviously you won't get support.
>
> On Tue, Jan 02, 2018 at 03:14:24PM -0500, Tom Alverson wrote:
> > Our TSM storage servers were all upgraded last year to 7.1.7.2 (before
> this
> > new security update came out).   Now I am wondering if I should start
> using
> > the updated client or not?   If the servers stay at 7.1.7.2 for now is
> > there any harm in using the newer client?  I would have to use 7.1.8.0 on
> > anything older than 2012.  I saw some email traffic earlier that once you
> > use the new authentication mode on a node you can't go back?  But it
> seems
> > that would not be possible until our storage servers get upgraded.
> >
> > Is there any downside in my case (where the storage servers are still at
> > 7.1.7.2) of using the latest client versions in the interim??  Our
> current
> > standard client versions now are 7.1.6.4 for 2008 and older, and 8.1.0.0
> > (yes the horrible buggy one) on newer servers.
> >
> > Tom
>
> --
> -- Skylar Thompson (skylar2 AT u.washington DOT edu)
> -- Genome Sciences Department, System Administrator
> -- Foege Building S046, (206)-685-7354
> -- University of Washington School of Medicine
>



--
*Zoltan Forray*
Spectrum Protect (p.k.a. TSM) Software & Hardware Administrator
Xymon Monitor Administrator
VMware Administrator
Virginia Commonwealth University
UCC/Office of Technology Services
www.ucc.vcu.edu
zforray AT vcu DOT edu - 804-828-4807
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