Hi, Spencer.
Regarding development/production instances, we maintain our code on
github[0], with "3_x-dev" and "3_x-prod" branches. Code modifications
like XMLUI tweaks, input form modifications, etc are tested and pushed
to the development branch for scrutiny by our editors and users, and
then pushed to production every Monday (this creates a predictable
workflow and timeline for both devs and users). From time to time we
manually re-install the development instance with a new snapshot of the
database and assetstore from production. Both of our instances live on
the same box, but we use separate domain names and Apache httpd / Tomcat
virtual hosting to keep the instances separate.
Hope that helps,
Alan
[0] https://github.com/ilri/DSpace/
On 06/19/2013 09:23 PM, Spencer Lamm wrote:
Thanks everyone! Helix84, we'll give your plan a try next week. I'll
let you know about anything we learn that would be good for your
potential wiki entry.
On Tue, Jun 18, 2013 at 4:39 AM, helix84 <heli...@centrum.sk
<mailto:heli...@centrum.sk>> wrote:
On Mon, Jun 17, 2013 at 6:52 PM, Spencer Lamm
<sla...@swarthmore.edu <mailto:sla...@swarthmore.edu>> wrote:
> 1) This wiki post by Mark Diggory details how to upgrade on the
same box
> without overwriting - essentially install the new code, diff the
config file
> differences, copy the db files to the new instance, and run the
db upgrades.
> We need to upgrade on a new server due to OS issues. Are there any
> additional considerations replicating Mark's process on a new
server?
>
https://wiki.duraspace.org/display/DSPACE/To+upgrade+without+overwriting
Hi Spencer,
using a new server when upgrading is actually a procedure I would
recommend over in-place upgrade, especially in case of a large version
jump.
I outlined the procedure here (I really need to make a wiki page
for it):
http://dspace.2283337.n4.nabble.com/Migrate-1-8-to-3-0-database-td4661490.html
http://dspace.2283337.n4.nabble.com/migrate-repository-into-a-new-instances-machine-td4660930.html
Basically, make sure you read through each of the upgrading
instructions (1.5->1.6, 1.6->1.7, ...). You don't need to do all the
steps, but at the very least you have to run the database migration
scripts in the correct order. Then, in the last one (1.8->3.1) follow
the repeated steps you previously skipped.
> 2) Our assetstore is on a Compellent SAN accessible via a server
mount.
> What I would love to do is use this upgrade as an opportunity to
set up live
> and development DSpace servers that are as close as possible to
being exact
> replicas. Is it possible to have two DSpace instances pointing
to the same
> assetstore? Do database changes in DSpace upgrades affect the
assetstore ?
Yes, it's possible, but I strongly recommend against it! If you did,
you could delete a file in the staging instance and it would be also
missing in the production instance assetstore, but the production
instance wouldn't know about it, because it would still have a record
that it exists in its database.
What you can do is make separate assetstores and use some
deduplication method (because most of the files will be the same) -
from primitive ones like hardlinks to advanced ones like deduplication
on ZFS - check with your SAN admin.
Regards,
~~helix84
Compulsory reading: DSpace Mailing List Etiquette
https://wiki.duraspace.org/display/DSPACE/Mailing+List+Etiquette
--
Spencer Lamm
Digital Initiatives Librarian
Swarthmore College Library
sla...@swarthmore.edu <mailto:sla...@swarthmore.edu>
610-328-8541
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http://alaninkenya.org
http://mjanja.co.ke
"I have always wished for my computer to be as easy to use as my telephone; my wish
has come true because I can no longer figure out how to use my telephone." -Bjarne
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