[[!comment format=mdwn
 username="joey"
 subject="""comment 3"""
 date="2015-08-20T14:58:32Z"
 content="""
The error message about the transfer lock file is probably relevant, and
seems to be coming from git-annex-shell on the clusterhost server.

Since this code has recently been changed and partly rewritten,
you ought to try upgrading git-annex on clusterhost to a more recent
version.

If that doesn't help, check if the specified lock file exists,
and if its parent directory exists. It's possible that the directory it's
trying to put the lock file in doesn't exist and this is causing the
problem. If so, manually creating the directory would solve it.

The other possibility seems to be that it's trying to open a lock file for
read that doesn't exist. But I don't see how that can happen, at least
not with the current code which catches any such exception.

Stracing git-annex-shell would help narrow this down. 
The git-annex-shell command that's failing is something like this:

git-annex-shell sendkey ../chymera/data SHA256E-s814245--9dc6f1287ba683cae030e04ba7f94a73e566ce392c2d032f171094ddc342fa60.jpg
"""]]