Sorry for being late to this discussion, and i see that you already have a solution, but this is partially for anyone else following this thread:
There is a (currently) undocumented flag to psh called --nonodecheck, which tells it to not contact xcatd to resolve the given noderange to a list of nodes. This is the only reason psh needs xcatd, so the following command should work, even if you only have xCAT-client installed: psh --nonodecheck n1,n2,n3 date Bruce Potter STSM, Linux & AIX Cluster Development, IBM, Poughkeepsie, NY Email: [email protected] Phone: external: 845-433-7073, internal: TL 293-7073 From: Lou Biskup/Fishkill/IBM@IBMUS To: xCAT Users Mailing list <[email protected]>, Cc: xCAT Users Mailing list <[email protected]> Date: 04/22/2013 03:25 PM Subject: Re: [xcat-user] Can psh be used without installing the entire xCAT infrasturcture They didn't "get" psh from anywhere - they just assumed (incorrectly) that any cluster that their software would be run on would be managed by xCAT and that, therefore, psh would be available for their application to use. Unfortunately, we've had to keep CSM on life support for much longer than we had planned and psh isn't available on our systems. The equivalent function is provided in CSM by dsh, which can be used independently of the rest of CSM. Unfortunately, the application isn't written to interface to dsh and there is no interest in making it do so since IBM no longer supports CSM on Linux. In any event, the lead on pdsh paid off, and we've downloaded it and already have it installed and operational on a couple of systems where it is needed. The vendor application supports the use of both psh and pdsh, but not dsh. Since we now have pdsh, the problem has been solved. Thanks to all for their responses to my query! Lou Inactive hide details for Lissa Valletta---04/22/2013 02:01:49 PM---I guess my question is where did they get the psh before? Lissa Valletta---04/22/2013 02:01:49 PM---I guess my question is where did they get the psh before? Why cannot they not be using the psh t From: Lissa Valletta/Poughkeepsie/IBM@IBMUS To: xCAT Users Mailing list <[email protected]> Cc: xCAT Users Mailing list <[email protected]> Date: 04/22/2013 02:01 PM Subject Re: [xcat-user] Can psh be used without installing the : entire xCAT infrasturcture I guess my question is where did they get the psh before? Why cannot they not be using the psh they have always used. There was no psh in csm? Lissa K. Valletta 8-3/B10 Poughkeepsie, NY 12601 (tie 293) 433-3102 Inactive hide details for Lou Biskup---04/22/2013 10:27:51 AM---Hi Lissa, Thanks for your responses. I was trying to use the pLou Biskup---04/22/2013 10:27:51 AM---Hi Lissa, Thanks for your responses. I was trying to use the psh that comes with the From: Lou Biskup/Fishkill/IBM@IBMUS To: xCAT Users Mailing list <[email protected]> Cc: xCAT Users Mailing list <[email protected]> Date: 04/22/2013 10:27 AM Subject: Re: [xcat-user] Can psh be used without installing the entire xCAT infrasturcture Hi Lissa, Thanks for your responses. I was trying to use the psh that comes with the latest release of xcat that I installed from sourceforge. The system is Red Hat EL5. What I attempted to do is try to install the client RPM and whatever dependencies came with it since it seemed like psh was sort of a separable thing that wouldn't require a whole lot of infrastructure under it. However, once I saw directories containing files with RSA keys in them, I started to get the idea that this wasn't the case. The responses from the mailing list have confirmed that this is not the case. I'll ask the vendor how easy it would be for them to modify their application to use alternatives to psh and/or if their usage is such that I can put together a wrapper script that invokes dsh or pdsh under the covers. Thanks to all for the help. Lou Inactive hide details for Lissa Valletta---04/22/2013 08:25:59 AM---What psh were you using? If it was the AIX one, then you sLissa Valletta---04/22/2013 08:25:59 AM---What psh were you using? If it was the AIX one, then you should still be able to use it. It is jus From: Lissa Valletta/Poughkeepsie/IBM@IBMUS To: xCAT Users Mailing list <[email protected]> Cc: xCAT Users Mailing list <[email protected]> Date: 04/22/2013 08:25 AM Subject Re: [xcat-user] Can psh be used without installing the : entire xCAT infrasturcture What psh were you using? If it was the AIX one, then you should still be able to use it. It is just on a different path from psh in xCAT. You probably changed you paths by installing the xCAT client. The xCAT client still requires an xCAT Management node to be running. Lissa K. Valletta 8-3/B10 Poughkeepsie, NY 12601 (tie 293) 433-3102 Inactive hide details for John Simpson---04/19/2013 07:49:12 AM---Lou, I am not sure if you can accomplish this or not but theJohn Simpson---04/19/2013 07:49:12 AM---Lou, I am not sure if you can accomplish this or not but there is a document From: John Simpson/Poughkeepsie/IBM@IBMUS To: xCAT Users Mailing list <[email protected]> Date: 04/19/2013 07:49 AM Subject: Re: [xcat-user] Can psh be used without installing the entire xCAT infrasturcture Lou, I am not sure if you can accomplish this or not but there is a document that explains migration from CSM to xCAT and it might provide some help. http://sourceforge.net/apps/mediawiki/xcat/index.php?title=CSM_to_xCAT_Migration John Simpson HPC Clusters Systems Management 2455 South Road Poughkeepsie, NY 12601-5400 email: [email protected] Phone Ext: 845-433-7917 Tie: 8-293-7917 Fax: 845-433-8363 Inactive hide details for Lou Biskup---04/18/2013 06:42:58 PM---We have an application that uses psh, but have not had an opporLou Biskup---04/18/2013 06:42:58 PM---We have an application that uses psh, but have not had an opportunity to convert our clusters from C From: Lou Biskup/Fishkill/IBM@IBMUS To: [email protected], Date: 04/18/2013 06:42 PM Subject: [xcat-user] Can psh be used without installing the entire xCAT infrasturcture We have an application that uses psh, but have not had an opportunity to convert our clusters from CSM to xCAT. We've installed xCAT-client and its pre-reqs on a node, but can't get psh to do anything after doing this. Without a populated .xcat directory, psh comes back with "Connection failure: No such file or directory". If I copy the .xcat directory that I created on a test system into root's home directory, the message changes to "Connection failure: Connection refused". Is it possible to use what would seem like a separable piece of xcat without dragging the whole ball of wax with it (you can use dsh independently of CSM)? If so, is there a simple process somewhere that explains how to do this? Or do I need the whole thing in order to use any piece of it? Thanks! Lou ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ xCAT-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/xcat-user ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ xCAT-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/xcat-user ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ xCAT-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/xcat-user ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ xCAT-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/xcat-user ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ xCAT-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/xcat-user ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ xCAT-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/xcat-user
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