Re: MpxTestDaemon

Yes, it is EMC PowerPath, and multipathed.

I have just now found a little info on the Dell EMC support site, but haven't yet learned much about this process.

It is kind of strange that searches for this are fruitless.

On Tue, Oct 20, 2020 at 3:16 PM <dimensional.dba_at_comcast.net> wrote:

> Are you using multipathing on your server for storage?
>
> Are you using EMC storage?
>
>
>
> *From:* oracle-l-bounce_at_freelists.org <oracle-l-bounce_at_freelists.org> *On
> Behalf Of *Jared Still
> *Sent:* Tuesday, October 20, 2020 3:01 PM
> *To:* Oracle-L Freelists <oracle-l_at_freelists.org>
> *Subject:* MpxTestDaemon
>
>
>
> Dear list:
>
>
>
> I am investigating a process 'MpxTestDaemon' on a Linux server (RedHat 6.9
> as I recall).
>
>
>
> This server is running Oracle 12.1, and has 1.5T of RAM.
>
>
>
> It is a standalone server, not RAC.
>
>
>
> There are some anomalous things occurring with this process.
>
>
>
> For instance, at times pidstat reports impossible numbers of minflt/s
> (mem faults not requiring disk access) being performed: approx 1.85 * 10e18
>
>
>
> Right now though all I am asking is this:
>
>
>
> Does anyone know what this process is?
>
>
>
> Neither Oracle nor the Google have anything helpful.
>
>
>
> In Oracle's case, no references at all.
>
>
>
> In the meantime, I shall see if I can find out what it is doing.
>
>
>
> Thanks.
>
>
>
> Jared Still
> Certifiable Oracle DBA and Part Time Perl Evangelist
>
> Principal Consultant at Pythian
>
> Oracle ACE Alumni
>
> Pythian Blog http://www.pythian.com/blog/author/still/
>
> Github: https://github.com/jkstill
>
>

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