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I think IASPs are great for use on a single system, for the reasons presented here - I came back from COMMON when working for and ISV and got things going for some customers to install the product in an IASP. One must look at the restrictions on the kinds of objects you can put there.
BTW, setting up Apache to use the QSYS.LIB part of an IASP is really simple - it's been supported for most of the time IASPs have been around, although not always clear how easy it was. Might be better info now.
One con, I believe, is that, as with all ASPs, you have to manage the size - it will reach a maximum use of disk and go tilt.
Now if someone can say differently on that, please do!!
Vern
On 12/6/2017 3:12 PM, DrFranken wrote:
True they don't support but I have yet to discover a vendor that refuses to work with a customer and allow it. 99% of their reasoning is ignorance. That is, because they've never done it they think it's hard or won't work. Both are usually incorrect with a little education.
- Larry "DrFranken" Bolhuis
www.Frankeni.com
www.iDevCloud.com - Personal Development IBM i timeshare service.
www.iInTheCloud.com - Commercial IBM i Cloud Hosting.
On 12/6/2017 4:08 PM, Steinmetz, Paul wrote:
Con
Not all 3rd party vendors support running outside of the system asp.
On our R&D LPAR, I've been using user asp 02, (not IASP).
This is when I discovered some apps must run in system asp.
-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Evan Harris
Sent: Wednesday, December 06, 2017 3:52 PM
To: Midrange Systems Technical Discussion
Subject: Re: Single-System Independent Auxiliary Storage Pools
It would probably help if IBM re-branded IASPs as database containers
On Thu, Dec 7, 2017 at 9:41 AM, Nathan Andelin <nandelin@xxxxxxxxx> wrote:
I've been reading about IASPs at:
https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_73/
rzaly/rzalypdf.pdf?view=kc
Along with reading archived discussions.
IASPs are fundamental component of PowerHA and Geographic Mirroring.
But what about using them alone on a single system? Are there pros and cons?
The biggest con appears to be that they require a disk drive (2 for
mirrored protection), for each IASP. A case could be made to enhance
IBM i to support small internal virtual disks.
A number of use cases come to mind.
1. Reduce IPL time by separating application IASPs from SYSBAS.
2. Reduce SAVSYS time by separating application IASPs from SYSBAS.
3. Host multiple versions of applications by dividing them between IASPs.
4. Host an open-source project and external developers on an IASP
(easy to secure).
5. Use an IASP version of your application to create an installation
package.
Can you think of IASP pros and cons, compared to separate libraries
and directories, or compared to LPARs?
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