[yt-users] PlotCollection problems

[Matthew Turk]

Hi Molly,

This looks like it's related to Triton's ongoing disk woes.  Stephen
reported something like this a few days ago on triton-discuss; it
might be worthwhile to email there.

-Matt

On Mon, Jan 24, 2011 at 6:45 PM, Molly Peeples <molly at astro.ucla.edu> wrote:
> Hi,
>
> I just updated yt and now I'm getting, e.g., the following when I run
> PlotCollection:
> Traceback (most recent call last):
>  File "rhot_plot.py", line 6, in <module>
>    pc = PlotCollection(pf)
>  File "/home/molly-ucla/yt-x86_64/lib/python2.6/site-packages/yt-2.1dev-py2.6-linux-x86_64.egg/yt/visualization/plot_collection.py",
> line 103, in __init__
>    v,self.c = pf.h.find_max("Density") # @todo: ensure no caching
>  File "/home/molly-ucla/yt-x86_64/lib/python2.6/site-packages/yt-2.1dev-py2.6-linux-x86_64.egg/yt/data_objects/static_output.py",
> line 159, in _get_hierarchy
>    self.__hierarchy = self._hierarchy_class(self, data_style=self.data_style)
>  File "/home/molly-ucla/yt-x86_64/lib/python2.6/site-packages/yt-2.1dev-py2.6-linux-x86_64.egg/yt/frontends/enzo/data_structures.py",
> line 157, in __init__
>    AMRHierarchy.__init__(self, pf, data_style)
>  File "/home/molly-ucla/yt-x86_64/lib/python2.6/site-packages/yt-2.1dev-py2.6-linux-x86_64.egg/yt/data_objects/hierarchy.py",
> line 57, in __init__
>    self._initialize_data_storage()
>  File "/home/molly-ucla/yt-x86_64/lib/python2.6/site-packages/yt-2.1dev-py2.6-linux-x86_64.egg/yt/data_objects/hierarchy.py",
> line 183, in _initialize_data_storage
>    self._data_file = h5py.File(fn, self._data_mode)
>  File "/home/molly-ucla/yt-x86_64/lib/python2.6/site-packages/h5py-1.2.0-py2.6-linux-x86_64.egg/h5py/highlevel.py",
> line 623, in __init__
>    self.fid = h5f.open(name, h5f.ACC_RDONLY, fapl=plist)
>  File "/home/molly-ucla/yt-x86_64/lib/python2.6/site-packages/h5py-1.2.0-py2.6-linux-x86_64.egg/h5py/_sync.py",
> line 88, in wrap
>    return func(*args, **kwds)
>  File "h5f.pyx", line 74, in h5py.h5f.open (h5py/h5f.c:1228)
> h5py._stub.IOError: Input/output error (Internal HDF5 error: System
> error message)
> Nodes:        tcc-2-20
>
>
> Ideas?  As a short-term solution, is there a way I can revert to an
> earlier version?
>
> Thanks!
> --Molly
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