> > > The procedure for upgrading dCache from 1.6 to 1.7
> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >
> > Thanks for this, but are all of these upgrade steps going to be included
> > in YAIM config scripts?
>
> No, this an independent upgrade process.
So, just to confirm, there is no way to upgrade from 1.6.6-5 to 1.7.0-16
using YAIM? I think sites would appreciate it if it could be included in
YAIM.
I'll need to go through some more testing before recommending that sites
upgrade.
Cheers,
Greig
>
>
> > Cheers,
> > Greig
> >
>
> No probs
>
> Owen
>
> >
> > >
> > > Background
> > > ~~~~~~~~~~
> > >
> > > dCache has changed considerably between versions 1.6 and 1.7. Particularly with
> > > respect to the SRM interface. Please see the change log in the dCache
> > > documentation at dCache.org for details. These changes have inevitably led to
> > > many additions to the dCache configuration. This RPM contains a simple script to
> > > enable sites to easily upgrade thier version of dCache with the minimum effort.
> > >
> > > Fortunately the databases of dCache have largely remained unchanged, and so pnfs
> > > should can be upgraded with little to no effort.
> > >
> > > Recipe to upgrade
> > > ~~~~~~~~~~~~~~~~~
> > >
> > > The upgrade must run in three stages, preupgrade, then moving to more modern
> > > RPM's and then a post upgrade stage.
> > >
> > > Preupgrade recipe
> > > ~~~~~~~~~~~~~~~~~
> > >
> > > Run the following commands
> > >
> > > /etc/init.d/dcache-pool stop
> > > /etc/init.d/dcache-core stop
> > > /etc/init.d/pnfs stop
> > > dropdb -U srmdcache billing
> > > dropdb -U srmdcache dcache
> > > dropdb -U srmdcache replicas
> > > createdb -U srmdcache billing
> > > createdb -U srmdcache dcache
> > > createdb -U srmdcache replicas
> > > psql -U srmdcache replicas -f /opt/d-cache/etc/psql_install_replicas.sql
> > >
> > >
> > > Rpm Upgrade
> > > ~~~~~~~~~~~
> > >
> > > Now upgrade the RPM's to the 1.7 release of dCache. This may be done via rpm.
> > >
> > >
> > > Postupgrade recipe
> > > ~~~~~~~~~~~~~~~~~~
> > >
> > > The system should now have the 1.7 release of dCache installed. We now need to
> > > run the configuration upgrade script and start dCache.
> > >
> > > sh /opt/d-cache/install/dCacheUpgrade_1_6-1_7.sh
> > > /etc/init.d/pnfs start
> > > /opt/d-cache/install/install.sh
> > > /etc/init.d/dcache-core start
> > > /etc/init.d/dcache-pool start
> > >
> > > Conclusion
> > > ~~~~~~~~~~
> > >
> > > We should now have a fully upgraded dCache. As with previous releases wait a
> > > 5-10 minutes before you send in any bug reports it may be initialising.
> > >
> > >
> > > >
> > > > On Mon, 16 Oct 2006 [log in to unmask] wrote:
> > > >
> > > > > We have the new stable version of D-cache available on the D-cache web
> > > > > site,
> > > > >
> > > > > Installation instructions are here
> > > > >
> > > > > http://www.dcache.org/manuals/yaim-dcache-howto.shtml
> > > > >
> > > > > For a YAIM based site you should only need to change the site-info.def
> > > > > to
> > > > >
> > > > > RESET_DCACHE_CONFIGURATION=yes
> > > > >
> > > > > While the other settings should be set as
> > > > >
> > > > > RESET_DCACHE_PNFS=no
> > > > > RESET_DCACHE_RDBMS=no
> > > > >
> > > > > if you want to keep your data and I guess you do want to keep your data.
> > > > >
> > > > > With regard to the apt repository we do not yet have it in stable, I am
> > > > > giving you all 24 hours notice to check your setups and then I shall
> > > > > migrate D-cache 1.7.0-16 to stable.
> > > > >
> > > > > Non yaim sites should wait for a short time as I finish documenting the
> > > > > upgrade procedure but its tested and working. I expect this RPM will be
> > > > > released with instructions in the README at the same time as I release
> > > > > D-cache 1.7.0-16 to stable in the apt repository.
> > > > >
> > > > > D-cache 1.7.0-16 is currently available to YAIM users in the testing
> > > > > section of the apt repository.
> > > > >
> > > > > Regards
> > > > >
> > > > > Owen
> > > > >
> > > >
> > > > --
> > > > ========================================================================
> > > > Dr Greig A Cowan http://www.ph.ed.ac.uk/~gcowan1
> > > > School of Physics, University of Edinburgh, James Clerk Maxwell Building
> > > >
> > > > TIER-2 STORAGE SUPPORT PAGES: http://wiki.gridpp.ac.uk/wiki/Grid_Storage
> > > > ========================================================================
> > >
> >
> > --
> > ========================================================================
> > Dr Greig A Cowan http://www.ph.ed.ac.uk/~gcowan1
> > School of Physics, University of Edinburgh, James Clerk Maxwell Building
> >
> > TIER-2 STORAGE SUPPORT PAGES: http://wiki.gridpp.ac.uk/wiki/Grid_Storage
> > ========================================================================
>
--
=======================================================================
Dr Greig A Cowan http://www.ph.ed.ac.uk/~gcowan1
School of Physics, University of Edinburgh, James Clerk Maxwell Building
TIER-2 STORAGE SUPPORT PAGES: http://wiki.gridpp.ac.uk/wiki/Grid_Storage
=======================================================================
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