Re: Odd postgres12 upgrade is changing or munging a password?

On 5/8/20 12:03 PM, Tory M Blue wrote:
> 
> 
> On Thu, May 7, 2020 at 12:32 PM Adrian Klaver <adrian.klaver@aklaver.com 
> <mailto:adrian.klaver@aklaver.com>> wrote:
> 
>     On 5/7/20 12:24 PM, Tory M Blue wrote:
>      > Yes same password, I'm using a basic alter command to put the right
>      > password back.
>      >
>      > I'm doing another upgrade in an hour, and will do some more
>     checks to
>      > see if it's trying to use another password or what. I obviously
>     can't
>      > read the password from the file , so knowing if it's munged or
>     other,
>      > I'm not sure is possible.
>      >
>      > Upgrade command i'm running
>      >
>      > time /usr/pgsql-12/bin/pg_upgrade --old-bindir /usr/pgsql-9.5/bin/
>      > --new-bindir /usr/pgsql-12/bin/ --old-datadir /pgsql/9.5/data
>      > --new-datadir /pgsql/12/data --link
>      >
>      > So it's very odd. and I've not experienced this in other
>     environments,
>      > it's just this one. Now it's a bigger data set, but very odd.
> 
>     Anything different about this environment e.g. locale?
> 
>     What is the encoding/character set for the database?
> 
>      >
>      > I'm also not seeing any other data issues, just seems to be this one
>      > password.
> 
>     I'm assuming you have super user access so you could look at the
>     password in:
> 
>     https://www.postgresql.org/docs/12/view-pg-shadow.html
> 
>     on the old server and then on the new server.
> 
> 
> It absolutely did change the password. Only 1 password out of 4 
> accounts, but it changed it. The MD5 is different so this is verified. 
> But why, how?

To maybe answer that:

1) Can you find out what the clear text version of the password is? Not 
necessary to share here, just indicate anything special about it.

2) What is the encoding/character set for the database?

3) What is the OS and version?

4) Has the OS been recently updated/upgraded?

> 
> Tory


-- 
Adrian Klaver
adrian.klaver@aklaver.com