If you want to run the DB and webservers on POWER you need POWER
blades or POWER servers. IF you want that weird integration of POWER
and System x you need IBM servers, BUT if you want the DB hosted on
the POWER and servers accessing said DB over the net you are free to
use whatever hardware and software you want.
I had a client that used to have integrated xseries and eventually
replaced them with a bigass DELL server and a pair of GigE links to
the server. (they had windows apps accessing the DB2 base).

With POWER you can:

Run the DB2 Database
Run DNS (but no Active Directory integration if you use that)
Run WebServers (Tomcat AFAIK) but no IIS (that is WINDOWS and
therefore x86 only)
Do backups or HA (varying amounts of money required)

Also, it makes no sense to talk about iSCSI and blades UNLESS the
blades are used as initiators and not as targets since blades usually
lack decent amounts of storage.

On Fri, May 11, 2012 at 9:26 PM, DrFranken <midrange@xxxxxxxxxxxx> wrote:
Let's start with one easy answer: Support is provided for IBM Servers
listed on the compatibility list and this support includes many blades
in both S and H Blade centers. No Dell (or HP (or ??? )) servers are on
that list.

If the lack of support doesn't stop you, it's possible that you might be
able to make them work in some fashion.  One thing unlikely to work is
the powering on and off of the servers when the NWSD is varied on or off
respectively. There is a component of IBM i iSCSI support called the
Service Processor Manager that doesn't know anything about reaching out
to a Dell or HP server and turning it on or off. If you are OK doing
that yourself manually then you can proceed.

Next you'll need to have iSCSI initiators that are compatible with the
IBM i targets. I don't suspect that this part is all that hard but you
are definitely on your own with any issues or needed support at the very
least.

Next thing to consider is that part of the concept of this support is
that a failed server can be readily replaced with a functioning one. If
you have a standby unit and truly know what you're doing it could be a
minute or less. That assumes that the new and old server are compatible,
if they're not, and when using 'whatever is lying around', it's very
likely they are not. That being the case it's unlikely you'll have any
redundancy that way.

In short it might work after a fashion, but I'd not waste my time on it
except perhaps as a curiosity.

  - Larry "DrFranken" Bolhuis.

On 5/11/2012 10:56 AM, Anderson, Kurt wrote:
Hi,

Me again on the iSCSI topic.
I'm working on a proposal to use a Power system to house our network database (currently using MS SQL Server) as well as to run our web servers.  In addition, we currently we have three physical web servers, each running TomCat, and I'm thinking we could run those each as instances on the Power system.


1.       Are we required to use IBM's blades in an iSCSI network?  We have some Dell PowerEdge servers that we'd like to be able to use.

2.       When using the i as the main server, it provides the DNS service right?

3.       I was asked if IIS would run on Power?  I'm guessing not, but maybe there's something like it?  Or it could run on one of the blades?

4.       We'd be using a box off-site.  Is remote backup a possibility?  My online searching has failed me.  We do have a dedicated line to the off-site location.

This has definitely been a learning experience (for someone who rarely deals with hardware or the network in general).   The only reason I got involved is because we had a smattering of hardware failures, and I couldn't help but ask, "What can we get onto the Power system?"

Thanks for any feedback.

Kurt Anderson
Sr. Programmer/Analyst
CustomCall Data Systems
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