I was having similar issues last week. According to Nathan, there has been intermittent problems with /work filesystem for the past couple of months. 

On Mon, Jan 4, 2016 at 10:53 AM, McCormick, Jeremy I. <[log in to unmask]> wrote:
Hi,

I'm having trouble working on jlab/ifarm today.

Simple commands like this are hanging indefinitely....

cd /work/hallb/hps/crawler

Anyone else having issues with this?  Is it a known problem right now at jlab?

--Jeremy

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