05-20-2014
Getting there...
Peasant:
Thanks so much for your help, and what a huge help it was! I read what you wrote, researched a bit more on LDOMs (that I now know is synonymous with Oracle VM Server, thanks to you), and read an article that someone suggested to me on another site:
ht tps :// blogs.oracle.com/orasysat/entry/zones_clusters_clustering_zones_zoneclusters
This is what it looks like I need to learn about and implement. How does this sound for an extremely broad overview:
Step 1) Cluster the 4 physical servers together (figure out what type of cluster I need, and use Oracle Cluster 4.x on top of Solaris 11.1 or maybe 11.2 beta?)
Step 2) Create Zoneclusters, probably one for each type of OS I need to run (a Sol 8 ZC, and a Sol 10 ZC, and then possibly a Sol 11 ZC to try to migrate the systems up if possible...)
Step 3) Create Logical Domains (LDOMs) for each of my old systems, and put them on the zone clusters, using Oracle VM Server.
In this setup, if a node fails, the virtual system will go down, but I should be able to configure it to start up another node automatically with minimal downtime for the virtual systems?
I realize "I should be" is reaching, since I have virtually zilch cluster experience and limited Solaris experience, but let's rephrase that to "it's possible to". I realize I have a lot of work ahead of me, but thankfully I have no strict time limits to get this implemented and can work one step at a time.
As far as cost goes, the one good thing is that, per the Oracle license agreement, you don't need to pay for SC while it's in the development stages. Directly from the OTN License Agreement for Oracle Solaris Cluster:
"You may not:
- use the Programs for your own internal business purposes (other than developing, testing, prototyping and demonstrating your applications)"
Only after I get the thing actually working and implemented will we have to shell out the big bucks. Presuming I do get it working, I will have achieved the "proof of concept" with these cheaper T5220 servers and the company will then be willing to buy some nice T4's or better to go along with the pricey software.
Thanks so much for your help - does this all sound correct so far?
-Lyxix
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LEARN ABOUT SUSE
apache::session::oracle
Session::Oracle(3) User Contributed Perl Documentation Session::Oracle(3)
NAME
Apache::Session::Oracle - An implementation of Apache::Session
SYNOPSIS
use Apache::Session::Oracle;
#if you want Apache::Session to open new DB handles:
tie %hash, 'Apache::Session::Oracle', $id, {
DataSource => 'dbi:Oracle:sessions',
UserName => $db_user,
Password => $db_pass,
Commit => 1
};
#or, if your handles are already opened:
tie %hash, 'Apache::Session::Oracle', $id, {
Handle => $dbh,
Commit => 1
};
DESCRIPTION
This module is an implementation of Apache::Session. It uses the Oracle backing store and no locking. See the example, and the
documentation for Apache::Session::Store::Oracle for more details.
USAGE
The special Apache::Session argument for this module is Commit. You MUST provide the Commit argument, which instructs this module to
either commit the transaction when it is finished, or to simply do nothing. This feature is provided so that this module will not have
adverse interactions with your local transaction policy, nor your local database handle caching policy. The argument is mandatory in order
to make you think about this problem.
This module also respects the LongReadLen argument, which specifies the maximum size of the session object. If not specified, the default
maximum is 8 KB.
AUTHOR
This module was written by Jeffrey William Baker <jwbaker@acm.org>.
SEE ALSO
Apache::Session::File, Apache::Session::Flex, Apache::Session::DB_File, Apache::Session::Postgres, Apache::Session
perl v5.12.1 2007-09-28 Session::Oracle(3)