Re: CRTIMGCLG questions

[Nathan Andelin <nandelin@xxxxxxxxx>]

I have to go back to an IBM manual in order to get the image catalog
commands. I don't find the commands intuitive. I don't use them much:

https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_73/rzam4/rzam4pdf.pdf?view=kc


In regard to ADDVRTVOL and related parameters, they add complexity to the
command. As an alternative you can divide the process into 2 steps by
adding the use of the ADDIMGCLGE command.



On Mon, Jun 15, 2020 at 10:21 AM K Crawford <kscx3ksc@xxxxxxxxx> wrote:

> I am needing a better understanding of the CRTIMGCLG command.
>
> What I want to do is create a temp location to save some work objects to.
> In the past I would just save them to a save file.  But it might become a
> requirement to put on a tape.  So my thought was to use the DUPTAP command
> of a virtual tape drive attached to an image catalog.  Then the restore, if
> needed, would be one step not two.  The other part of this if it goes to
> tape it will need to be encrypted.  We currently use BRMS to do this.  So
> the thought is to use BRMS for the save command.
>
> My thought is to create a virtual tape device.
>    CRTDEVTAP  DEVD(TAPVRTtst) RSRCNAME(*VRT) ONLINE(*YES) TEXT('Test
> Backup')
> Create an image catalog attached to this drive.
> Then save to it this virtual tape device.
>    SAVOBJBRM OBJ(TESTOBJ) LIB(TSTLIBRARY) DEV(TAPVRTTST) OBJTYPE(*ALL)
>
> My questions are related to the CRTIMGCLG command.  This is the command I
> am thinking of using.
>   CRTIMGCLG IMGCLG(tstCATALOG) DIR('/Test_Backup') CRTDIR(*no)
> ADDVRTVOL(*none) PREFIX(tst) IMGSIZ(*mgclgtype) alcstg(*min) TEXT('Test
> Backup') TYPE(*TAP)
>
> I do not have a good understanding of these values.
>    ADDVRTVOL(*none) PREFIX(tst) IMGSIZ(*mgclgtype)
>
> Can anyone shed some light on them?
>
> Thanks
>
> --
> Kerwin Crawford
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