Re: What are the concerns about performing a slip install?

[Luis Rodriguez <luisro58@xxxxxxxxx>]

Rob,

Would a Slip install change the command exit points?

When I worked with the IBM i there some exit points added to system
commands (like PWRDWNSYS or WRKOJB) for convenience and/or security issues .

Regards,
Luis

Sent from my Moto G phone. Please excuse my brevity.

On Sun, Jan 5, 2025, 12:02 Rob Berendt <robertowenberendt@xxxxxxxxx> wrote:

> A slip install is where you do a reinstall of lic and just the Base OS
> without initializing the system.  Prior to TRs this might have to be done
> for certain OS upgrades.  Namely V5RxM5 and 6.1.1.  It was often done if
> your PTFs got way behind and you got a link loader error or you just wanted
> to be really sure to start somewhat clean before applying PTFs.
> Documentation about this is available at
>
> https://www.ibm.com/docs/en/i/7.2?topic=iudirs-replacing-licensed-internal-code-i-same-version-release
>
> What are the concerns about doing this?
>
> First:  Commands in which you may have changed the command defaults.  Some
> people have a program they run to change their defaults after every (IPL,
> upgrade, PTF, etc).  If not, one technique is to check the column APAR_ID
> for CHGDFT in OBJECT_STATISTICS.  Prior to that existing, or having the
> column APAR_ID (like this 7.2 system I'm looking at) you would DSPOBJD
> commands to an outfile and look for
> select ODLBNM, ODOBNM, ODOBTP, ODUMOD, ODAPAR
> from rberendt.dspcmd
> where odapar = 'CHGDFT'
> order by odlbnm, odapar desc, odumod desc
>
> What other concerns can you think of?
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