here, caught one for you for add (git annex version is tiny bit dated: 6.20170815+gitg22da64d0f-1~ndall+1 )

(Pdb) print e.msg Failed to run ['git', '-c', 'receive.autogc=0', '-c', 'gc.auto=0', 'annex', 'add', '--json', '-J6', '082-sn/000001.dcm', '078-sn/000001.dcm', '080-sn/000002.dcm', '076-sn/000002.dcm', '080-sn/000004.dcm', '080-sn/000001.dcm', '079-sn/000003.dcm', '082-sn/000003.dcm', '073-sn/000002.dcm', '079-sn/000002.dcm', '079-sn/000001.dcm', '077-sn/000002.dcm', '074-sn/000001.dcm', '080-sn/000003.dcm', '077-sn/000001.dcm', '076-sn/000001.dcm', '081-sn/000002.dcm', '078-sn/000002.dcm', '081-sn/000001.dcm', '081-sn/000003.dcm', '073-sn/000001.dcm', '075-sn/000001.dcm', '079-sn/000004.dcm', '082-sn/000002.dcm', '075-sn/000002.dcm', '074-sn/000002.dcm'] under '/mnt/DICOM/test2/inbox/2016/12/12/unknown'. Exit code=1. out={"command":"add","success":true,"key":"MD5E-s193740--3da2e91e0888c05e01daf8ef9ae79570.dcm","file":"076-sn/000002.dcm"} {"command":"add","success":true,"key":"MD5E-s205064--851ce819ea44cabd66923d902e55cd2c.dcm","file":"082-sn/000001.dcm"} {"command":"add","success":true,"key":"MD5E-s226874--8acaba7ff0f57a3e69a5c1afb8bc0ba3.dcm","file":"080-sn/000001.dcm"} {"command":"add","success":true,"key":"MD5E-s193746--faf49ea7b403c8f6191fa5b7521ebbd5.dcm","file":"078-sn/000001.dcm"} {"command":"add","success":true,"key":"MD5E-s205066--c5af824ecd895a342cba7ffefe019fde.dcm","file":"082-sn/000003.dcm"} {"command":"add","success":true,"key":"MD5E-s226872--abdaf5312c4c11da68cc9aaead6bc93a.dcm","file":"080-sn/000004.dcm"} {"command":"add","success":true,"key":"MD5E-s226768--352d7bf9be4b45316cb75c2fc5bfbdd2.dcm","file":"079-sn/000002.dcm"} {"command":"add","success":true,"key":"MD5E-s226872--755e5e693b07fd7cab07fa55e0f17fd2.dcm","file":"080-sn/000002.dcm"} {"command":"add","success":true,"key":"MD5E-s193636--47816f992ddf6167549b0d20bf430036.dcm","file":"073-sn/000002.dcm"} {"command":"add","success":true,"key":"MD5E-s193750--465de1ebab376633842ac9e36f6fcc35.dcm","file":"074-sn/000001.dcm"} {"command":"add","success":true,"key":"MD5E-s226766--04006df494da6adbe7b3eea90e4dba1b.dcm","file":"079-sn/000003.dcm"} {"command":"add","success":true,"key":"MD5E-s226768--3624982179994bbaa781ee8c72c5d6b9.dcm","file":"079-sn/000001.dcm"} {"command":"add","success":true,"key":"MD5E-s193636--98a6efe8bea17485297e5d600c4c01e6.dcm","file":"077-sn/000002.dcm"} {"command":"add","success":true,"key":"MD5E-s193642--15770ed37bedb6bd90a7a4b39761a1fa.dcm","file":"077-sn/000001.dcm"} {"command":"add","success":true,"key":"MD5E-s226870--621a7d3a2be10b99d45a39ef2526ab1c.dcm","file":"080-sn/000003.dcm"} {"command":"add","success":true,"key":"MD5E-s204960--e28aac5eb5e52fe47c2671e8b87edc8c.dcm","file":"081-sn/000002.dcm"} {"command":"add","success":true,"key":"MD5E-s193750--25cadf2f0fc7a4ca324687a742a2d55e.dcm","file":"076-sn/000001.dcm"} {"command":"add","success":true,"key":"MD5E-s193740--0424fce22306f7590f6d94561eb74e93.dcm","file":"078-sn/000002.dcm"} {"command":"add","success":true,"key":"MD5E-s204956--039309e288379d98480390043ea84ecb.dcm","file":"081-sn/000001.dcm"} {"command":"add","success":true,"key":"MD5E-s204960--7b32e2620301909a74adea3d29c00ed5.dcm","file":"081-sn/000003.dcm"} {"command":"add","success":true,"key":"MD5E-s193646--ff7337b5330f852063652f1e75099b27.dcm","file":"073-sn/000001.dcm"} {"command":"add","success":true,"key":"MD5E-s226768--40821b65d32878f5859ed1b19c5633d0.dcm","file":"079-sn/000004.dcm"} {"command":"add","success":true,"key":"MD5E-s193646--02704fbd9d37349c4ee96c1509f1a20d.dcm","file":"075-sn/000001.dcm"} {"command":"add","success":true,"key":"MD5E-s193636--7c727d28c56da2476b744e8aca421b5c.dcm","file":"075-sn/000002.dcm"} {"command":"add","success":true,"key":"MD5E-s193740--c0b3731d6a46df9000df32eeb78ae894.dcm","file":"074-sn/000002.dcm"} {"command":"add","success":true,"key":"MD5E-s205066--11b6f6e4cb2f5879a530f83d288bb7fa.dcm","file":"082-sn/000002.dcm"} err=git-annex: 075-sn/000001.dcm not found git-annex: add: 1 failed

(Pdb) [1]+ Stopped ../test/addall.sh (dev) [yoh@rolando test2]$ ls -l '/mnt/DICOM/test2/inbox/2016/12/12/unknown/075-sn/000001.dcm' lrwxrwxrwx 1 yoh users 129 Dec 12 2016 /mnt/DICOM/test2/inbox/2016/12/12/unknown/075-sn/000001.dcm -> ../.git/annex/objects/ZQ/3G/MD5E-s193646--02704fbd9d37349c4ee96c1509f1a20d.dcm/MD5E-s193646--02704fbd9d37349c4ee96c1509f1a20d.dcm

so it does report success in json, but complains in stderr that file is not found... I guess some race condition between workers so it manages to catch the moment when file is moved into a key or smth like that?

done --Joey