[SCore-users-jp] Re: [SCore-users] SCORE_RSH and use of ssh instead of rsh

[C. Evangelinos]

Thanks to all that answered my e-mail and sorry for not RTFMing before
asking but I was not looking at the install from source pages...

> On Thu, 27 Mar 2003, C. Evangelinos wrote:
>
> > 1) removing the rpms leaves init scripts behind in /etc/rc.d as
>well
> > as the new devices (the latter is not really a problem)
>
> Indeed, the devices are not a problem. However, the scripts should
>be
> removed, but only if you did not modify them (= rpm -V still reports
>them
> as "original").

They are not - just something to be fixed for the next rev I suppose.
# rpm -i score5.4.0-comp-5.4.0-1.i386.rpm
score5.4.0-common-5.4.0-1.i386.rpm
# rpm -V score5.4.0-common score5.4.0-comp
# rpm -e score5.4.0-common score5.4.0-comp
# ls -l /etc/init.d/pm_ethernet 
-rwxr-xr-x    1 root     root         1394 Mar 31 14:06
/etc/init.d/pm_ethernet
# ls -l /etc/rc.d/*.d/*pm_ethernet
-rwxr-xr-x    1 root     root         1394 Mar 31 14:06
/etc/rc.d/init.d/pm_ethernet
lrwxrwxrwx    1 root     root           21 Mar 20 17:07
/etc/rc.d/rc0.d/K18pm_ethernet -> ../init.d/pm_ethernet
lrwxrwxrwx    1 root     root           21 Mar 20 17:07
/etc/rc.d/rc1.d/K18pm_ethernet -> ../init.d/pm_ethernet
lrwxrwxrwx    1 root     root           21 Mar 20 17:07
/etc/rc.d/rc2.d/K18pm_ethernet -> ../init.d/pm_ethernet
lrwxrwxrwx    1 root     root           21 Mar 20 17:07
/etc/rc.d/rc3.d/S90pm_ethernet -> ../init.d/pm_ethernet
lrwxrwxrwx    1 root     root           21 Mar 20 17:07
/etc/rc.d/rc4.d/S90pm_ethernet -> ../init.d/pm_ethernet
lrwxrwxrwx    1 root     root           21 Mar 20 17:07
/etc/rc.d/rc5.d/S90pm_ethernet -> ../init.d/pm_ethernet
lrwxrwxrwx    1 root     root           21 Mar 20 17:07
/etc/rc.d/rc6.d/K18pm_ethernet -> ../init.d/pm_ethernet
# ls -l /etc/init.d/scoutd      
-rwxr-xr-x    1 root     root         4298 Mar 31 14:06
/etc/init.d/scoutd
# ls -l /etc/rc.d/*.d/*scoutd 
-rwxr-xr-x    1 root     root         4298 Mar 31 14:06
/etc/rc.d/init.d/scoutd
lrwxrwxrwx    1 root     root           16 Mar 20 17:07
/etc/rc.d/rc0.d/K01scoutd -> ../init.d/scoutd
lrwxrwxrwx    1 root     root           16 Mar 20 17:07
/etc/rc.d/rc1.d/K01scoutd -> ../init.d/scoutd
lrwxrwxrwx    1 root     root           16 Mar 20 17:07
/etc/rc.d/rc2.d/K01scoutd -> ../init.d/scoutd
lrwxrwxrwx    1 root     root           16 Mar 20 17:07
/etc/rc.d/rc3.d/S98scoutd -> ../init.d/scoutd
lrwxrwxrwx    1 root     root           16 Mar 20 17:07
/etc/rc.d/rc4.d/S98scoutd -> ../init.d/scoutd
lrwxrwxrwx    1 root     root           16 Mar 20 17:07
/etc/rc.d/rc5.d/S98scoutd -> ../init.d/scoutd
lrwxrwxrwx    1 root     root           16 Mar 20 17:07
/etc/rc.d/rc6.d/K01scoutd -> ../init.d/scoutd

> > 2) It would be nice to have a script that reproduces the effects
       of
> > installing the rpms for setting up device and configuration
       scripts,
> > local directories etc.
>
> It exists. You probably didn't read the whole docs...
>
>http://www.pccluster.org/score/dist/score/html/en/installation/sys-compute-fr\omsrc.html

Sorry for that - I read the non-source setup parts... :-(

> > Performance between such a box and another one with an Intel
    eepro100
> > driven card is so-and-so
>
> You compare two different things: if you have eepro100 cards for the
    whole
> cluster, use them !

But I don't - the "cluster" is just the group's Linux boxes that I
want to be able to use during idle times for parallel work. Hence they
have all sorts of cards on them... 

> Well, if you can get ssh to act like rsh (which is normally the
  case),
> then you can just rename ssh to rsh (or make a link or ...) and
  everything
> should just work.

That and using HostsRSA authentication is a good solution but the
proper sysadm for the lab needs to agree with it... 

>>But if you run scoutd on compute hosts,
>>scout use scoutd insted of rshd.
>>So you may stop rshd on compute hosts.

Kameyama's solution with scoutd unfortunately does not seem to work. I
have scout daemons running on my nodes (as described) and irrespective
of whether I use the -g groupname argument or the -f hostfile argument
scout appears to fail to connect to it and then try to use rsh. Is
there anything more to this than the little info in the documentation?

Thanks again to everyone.

Constantinos Evangelinos

Center for Fluid Mechanics
Brown University
and
Ocean Engineering Department
MIT
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