[issue24564] shutil.copytree fails when copying NFS to NFS

[Albert Zeyer]

Albert Zeyer <albzey at googlemail.com> added the comment:

I'm also affected by this, with Python 3.6. My home directory is on a ZFS-backed NFS share.
See here for details:
https://github.com/Linuxbrew/homebrew-core/issues/4799

Basically:
Copying setuptools.egg-info to /u/zeyer/.linuxbrew/lib/python3.6/site-packages/setuptools-36.5.0-py3.6.egg-info
error: [Errno 5] Input/output error: '/u/zeyer/.linuxbrew/lib/python3.6/site-packages/setuptools-36.5.0-py3.6.egg-info/zip-safe'

Note that also by other tools, such as `mv` and `cp`, I get errors about setting `system.nfs4_acl`. But they just seem to ignore that and go on. I think this is the right thing to do here. You can print a warning about that, but then just go on. Maybe esp. just for `system.nfs4_acl`.

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nosy: +Albert.Zeyer
versions: +Python 3.6

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