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Status Delivered
Workspace IBM i
Created by Guest
Created on Apr 5, 2018

Inconsistent delete image catalog operation in IBM i

I recently encountered a confusing usage of the "delete" operation of Image Catalog object in IBM i V7R2 and need to ask a question to seek a response.

A few weeks ago, I had a chance to use IBM i Image Catalog object in my task delivery to a customer. When I worked with image catalog in IBM i V7R2, I had an occasional need to delete the image catalog objects. I used the command DLTIMGCLG which offered a parameter named "Keep Image Files" which is defaulted to *YES which is what I needed. But when I also used WRKIMGCLG command later on, I found that using its option 4 = Delete on the image catalog deleted all its associated files without asking me if I want to keep them and this caused me a surprising trouble in my work as I needed to re-transfer the (very large) files from my PC to IBM i again which wasted my time. I look into Knowledge Center web site and found that this is BY DESIGN for WRKIMGCLG command.

Now, I have to say this causes a serious CONFUSION to me (and presumably other people) who also know and use DLTIMGCLG command which defaults to keeping all the file while deleting just the image catalog object itself.

So, I wonder why there is such a potentially confusing conflict between using option 4 = Delete in WRKIMGCLG and DLTIMGCLG command ?

This is the very first time in my 27-year experience with IBM i that I find that the very same operation behaves differently when invoked from WRK... command than from its specific command.

I see that this behavioral difference should be considered as a design flaw that does not comply to the past in which any operation in WRK... commands would be CONSISTENT with the same operation provided by its individual command.

I would see that this issue should be rectified in the currently supported IBM i releases as PTFs and in the base code of future releases. This means that option 4 = Delete in WRKIMGCLG command should be promptable (F4) and provide the same options as those provided by DLTIMGCLG command.

Please consider my request seriously.


Use Case:

Please see the section above.

Idea priority High
  • Guest
    Sep 26, 2019

    The following new screen flow was delivered as part of V7R4M0:

    1. User types '4' next to the image catalog they wish to delete
    2. User is presented with the "Confirm Delete of Image Catalog" panel
    3. User presses enter
    4. User is presented with The "Delete Image Catalog (DLTIMGCLG)" command prompt showing "Keep image files . . . . . > *NO"
    5. User can change the Keep image files prompt to *YES or leave with default of *NO
    6. User presses enter
    7. The image catalog is deleted, and the images are either kept or deleted depending on the parameter value chosen

    For customers who always wanted to delete the images, it's one more press of Enter to get the same result.
    For customers who wanted to keep the images, they are now allowed to do so using option '4'.

    I know the original request was to allow F4 prompting, however, this would be a much more significant change as well as involving MRI. Based on system schedules at the time this request came in, this would not be able to be delivered in V7R4M0. It also would not be able to be PTFd if requested for that very same reason.

  • Guest
    Sep 17, 2018

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - Power Systems
    Product - IBM i
    Component - Install, Upgrade, Licensing
    Operating system - IBM i
    Source - None

    For recording keeping, the previous attributes were:
    Brand - Servers and Systems Software
    Product family - Power Systems
    Product - IBM i
    Component - Core OS
    Operating system - IBM i
    Source - None

  • Guest
    May 8, 2018

    The CAAC has reviewed this requirement and recommends that IBM view this as a “nice to have” low priority feature. It is nice to be consistent.

    Background: The COMMON Americas Advisory Council (CAAC) members have a broad range of experience in working with small and medium-sized IBM i customers. CAAC has a key role in working with IBM i development to help assess the value and impact of individual RFEs on the broader IBM i community, and has therefore reviewed your RFE.

    For more information about CAAC, see

    For more details about CAAC's role with RFEs, see

    Nancy Uthke-Schmucki - CAAC Program Manager