[svn-r11266] Purpose:

Add more comments for collective chunk IO supports.
Description:
On some platforms that use mpich library internally, we have no way to check mpich version number. We have to manually turn off the collective IO supports.
One example is Altix(cobalt). Just put a comment there so that we won't forget about this.

Solution:

Platforms tested:

Misc. update:

release_docs/RELEASE.txt

@@ -145,7 +145,15 @@ New Features
                      4) For IRIX 6.5,
                         if C compiler version is 7.3 or lower, collective irregular selection
                         IO is not supported, internally independent IO is used.
-                     KY - 2005/07/13
+                     5) For platforms which internally used mpich, if the
+                        mpich version is 1.2.5 or lower, please find the 
+                        corresponding config file and add
+                        hdf5_mpi_complex_derived_datatype_works='no' at the
+                        end of the configuration file. For example, at NCSA
+                        SGI Altix, the internal mpich library is 1.2.5. So 
+                        hdf5_mpi_complex_derived_datatype_works='no' should be
+                        added at the end of the config file ia64-linux-gnu.
+                     KY - 2005/08/19
         - HDF5 N-bit filter 
           HDF5 support N-bit filter from this version,  
           The N-Bit filter is used effectively for compressing data of N-Bit