Re: [HTCondor-users] HTCondor 8.2.10 Released

[Tim Theisen <tim@xxxxxxxxxxx>]

Will do. I create a ticket as appropriate.

...Tim

On 11/02/2015 08:41 AM, Brian Bockelman wrote:
> > On Nov 2, 2015, at 8:35 AM, Michael V Pelletier <Michael.V.Pelletier@xxxxxxxxxxxx> wrote:
> >
> > "HTCondor-users" <htcondor-users-bounces@xxxxxxxxxxx> wrote on 11/02/2015 09:08:42 AM:
> >
> > > From: Brian Bockelman <bbockelm@xxxxxxxxxxx>
> > > Date: 11/02/2015 09:11 AM
> > >
> > > Hi Svein,
> > >
> > > Itâs highly discouraged to add the âcondorâ user to external databases
> > > anyway: this can cause problems in starting up HTCondor (particularly, if
> > > the condor or other services are started prior to availability of said database).
> > >
> > > Instead, itâs best to treat this like user ânobodyâ or âhttpdâ:
> > > automatically installed or allocated by the system.
> > >
> > > Can you provide a bit more explanation as to why you want to have condor
> > > in the external user DB anyway?
> > >
> > > Thanks,
> > >
> > > Brian
> > >
> > > PS - RHEL / Fedora have the ability to reserve static UID/GID for a
> > > particular system user.  HTCondor should really do that, but I donât think
> > > anyoneâs followed up on that yet...
> > Red Hat Enterprise MRG Grid assigns "64" to the "condor" user and group,
> > as documented in /usr/share/doc/setup-*/uidgid, so that's what I used for my
> > pools' condor accounts on Red Hat Enterprise Linux and CentOS when installing
> > UWM's HTCondor package.
> >
> > Having the central account means that the RPM install doesn't try to
> > use an arbitrary UID and GID which might vary from system to system.
> >
> > A number of the systems are also configured as diskless with NFS root
> > file systems so stuff owned by the "condor" user shows up on shared
> > directories and having the centrally-defined user insures that those
> > files will be recognizable anywhere.
> Yup - thatâs the primary reason why youâd want to do a reserved UID.
>
> In fact, I just checked in Fedora,
>
> /usr/share/doc/setup/uidgid
>
> and sure enough, condor is reserved as 64.  However, this must have been specific to the RedHat-produced RPM: checking the UW build, I donât see it taking advantage of this.
>
> TimT - can you look into this?
>
> Brian
>
>
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--
Tim Theisen
Release Manager
HTCondor & Open Science Grid
Center for High Throughput Computing
Department of Computer Sciences
University of Wisconsin - Madison
4261 Computer Sciences and Statistics
1210 W Dayton St
Madison, WI 53706-1685
+1 608 265 5736