Thursday, April 8, 2010

Applications from Vmware

ThinApp
VMware ThinApp virtualizes applications by encapsulating application files and registry into a single ThinApp package that can be deployed, managed and updated independently from the underlying OS.

Some of the key benefits according to NetApp:
  1. Simplify Windows 7 migration:
  2. Eliminate application conflicts
  3. Consolidate application streaming servers:
  4. Reduce desktop storage costs:
  5. Increase mobility for end users:


SpringSource tc Server
SpringSource tc Server provides enterprise users with the lightweight server they want paired with the operational management, advanced diagnostics, and mission-critical support capabilities businesses need. It is designed to be a drop in replacement for Apache Tomcat 6, ensuring a seamless migration path for existing custom-built and commercial software applications already certified for Tomcat. One interesting feature is that the DownloadsSpringSource Tool Suite is Free.

Wednesday, April 7, 2010

Torque Error - Address already in use (98) in scan_for_exiting, cannot bind to port 464 in client_to_svr - too many retries

pbs_mom;Svr;pbs_mom;LOG_ERROR:: Address already in use (98) in scan_for_exiting, cannot bind to port 464 in client_to_svr - too many retries

One cause for this is very high traffic on the network not allowing the mom and the server to communicate properly. One common case are job scripts that incessantly run qstat. You will be surprise that sometimes users input some of these qstat scripts that cause the error

Monday, April 5, 2010

xCAT Mini HOWTO for 1.2.0

Here are some useful documentation for the older xCAT which is good for pointers and references.
  1. xCAT Mini HOWTO (WIP)
  2. xCAT HPC Operating Environment HOWTO (WIP)
  3. xCAT HPC Benchmark HOWTO (WIP)
  4. xCAT Myrinet HOWTO

Sunday, April 4, 2010

Placing user xcat contributed scripted in the xcat directory

This is a continuation of blog entry User Contributed Script ported from xcat 1.x to xcat 2.x

Step 1: Placing addclusteruser in /opt/xcat/sbin
# cd /opt/xcat/sbin 
# wget https://xcat.svn.sourceforge.net/svnroot/xcat/xcat-contrib/admin_patch/xCAT-2-admin_patch-1.1/addclusteruser

Step 2: Placing gensshkeys in /opt/xcat/sbin
# cd /opt/xcat/sbin
# wget https://xcat.svn.sourceforge.net/svnroot/xcat/xcat-contrib/admin_patch/xCAT-2-admin_patch-1.1/gensshkeys

Step 3: Placing shfunctions1 in /opt/xcat/lib
#  cd /opt/xcat/lib
# wget https://xcat.svn.sourceforge.net/svnroot/xcat/xcat-contrib/admin_patch/xCAT-2-admin_patch-1.1/shfunctions1

To add users using addclusteruser
# addclusteruser
......

I'm assuming you have exported the home directory to other nodes
# pscp /etc/passwd compute:/etc/
# pscp /etc/shadow compute:/etc/
# pscp /etc/group compute:/etc/

Thursday, April 1, 2010

Can't find fftw3f library when configuring Gromacs

GROMACS is a versatile package to perform molecular dynamics.

If you are installing GROMACS using the Installation Instructions from Gromacs and encounter " can't find fftw3f library ", this is probably due to wrong precision being used. Try reconfiguring FFTW with the following settings "--enable-float"
./configure --enable-threads --enable-float
make
make install
and it will compile nicely