Please describe the problem.

It seems fully and correctly obtain get a file but it ended up in tmp/, upon attempts to reget tries to reget it with incorrect range (since fully here already):

$> datalad install -g http://github.com/openneurodatasets/ds000001
install(notneeded): /mnt/btrfs/scrap/tmp/openneuro/ds000001 (dataset) [dataset <Dataset path=/mnt/btrfs/scrap/tmp/openneuro/ds000001> was already cloned from 'http://github.com/openneurodatasets/ds000001']
[WARNING] Running get resulted in stderr output: download failed: Requested Range Not Satisfiable
download failed: Requested Range Not Satisfiable
git-annex: get: 1 failed
 
[ERROR  ] from s3-PUBLIC...; from s3-PUBLIC...; Unable to access these remotes: s3-PUBLIC; Try making some of these repositories available:;    b5dd2e3d-825f-4bc2-b719-cba1059f6bfc -- root@93184394ac19:/datalad/ds000001;    deaa691f-c824-4416-9bf8-a94a47dd31b5 -- [s3-PUBLIC]; ; (Note that these git remotes have annex-ignore set: origin) [get(/mnt/btrfs/scrap/tmp/openneuro/ds000001/sub-03/func/sub-03_task-balloonanalogrisktask_run-03_bold.nii.gz)] 
[WARNING] could not get some content in /mnt/btrfs/scrap/tmp/openneuro/ds000001 ['/mnt/btrfs/scrap/tmp/openneuro/ds000001/sub-03/func/sub-03_task-balloonanalogrisktask_run-03_bold.nii.gz'] [get(/mnt/btrfs/scrap/tmp/openneuro/ds000001)] 
action summary:
  get (error: 1, impossible: 1)
  install (notneeded: 1)
1 14492 ->1.....................................:Mon 05 Nov 2018 10:36:53 PM EST:.
smaug:/mnt/btrfs/scrap/tmp/openneuro
$> cd ds000001 
CHANGES  dataset_description.json  sub-01/  sub-03/  sub-05/  sub-07/  sub-09/  sub-11/  sub-13/  sub-15/  task-balloonanalogrisktask_bold.json
README   participants.tsv          sub-02/  sub-04/  sub-06/  sub-08/  sub-10/  sub-12/  sub-14/  sub-16/
1 14493.....................................:Mon 05 Nov 2018 10:36:56 PM EST:.
(git)smaug:/mnt/btrfs/scrap/tmp/openneuro/ds000001[master]
$> git annex get --debug 
[2018-11-05 22:36:59.665601708] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","symbolic-ref","-q","HEAD"]
[2018-11-05 22:36:59.669131907] process done ExitSuccess
[2018-11-05 22:36:59.669205841] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","show-ref","refs/heads/master"]
[2018-11-05 22:36:59.672930992] process done ExitSuccess
[2018-11-05 22:36:59.673020181] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","ls-files","--cached","-z","--"]
get sub-03/func/sub-03_task-balloonanalogrisktask_run-03_bold.nii.gz [2018-11-05 22:36:59.686205786] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","show-ref","git-annex"]
[2018-11-05 22:36:59.690089151] process done ExitSuccess
[2018-11-05 22:36:59.690165258] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","show-ref","--hash","refs/heads/git-annex"]
[2018-11-05 22:36:59.693038961] process done ExitSuccess
[2018-11-05 22:36:59.693248238] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","log","refs/heads/git-annex..4fd548ce0d4e2bc67da62795e80880a7ae1f6abc","--pretty=%H","-n1"]
[2018-11-05 22:36:59.697945062] process done ExitSuccess
[2018-11-05 22:36:59.698564444] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch"]
[2018-11-05 22:36:59.698998042] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch-check=%(objectname) %(objecttype) %(objectsize)"]
(from s3-PUBLIC...) 

[2018-11-05 22:36:59.734434115] Request {
  host                 = "openneuro.org.s3.amazonaws.com"
  port                 = 80
  secure               = False
  requestHeaders       = [("Range","bytes=46216487-"),("Accept-Encoding","identity"),("User-Agent","git-annex/6.20181011+git124-g94aa0e2f6-1~ndall+1")]
  path                 = "/ds000001/sub-03/func/sub-03_task-balloonanalogrisktask_run-03_bold.nii.gz"
  queryString          = "?versionId=KKf9EeO6JyGQbKG_SyU51ehWSYeXiMX9"
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}

download failed: Requested Range Not Satisfiable
(from s3-PUBLIC...) 

[2018-11-05 22:36:59.815117255] Request {
  host                 = "openneuro.org.s3.amazonaws.com"
  port                 = 80
  secure               = False
  requestHeaders       = [("Range","bytes=46216487-"),("Accept-Encoding","identity"),("User-Agent","git-annex/6.20181011+git124-g94aa0e2f6-1~ndall+1")]
  path                 = "/ds000001/sub-03/func/sub-03_task-balloonanalogrisktask_run-03_bold.nii.gz"
  queryString          = "?versionId=KKf9EeO6JyGQbKG_SyU51ehWSYeXiMX9"
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}

download failed: Requested Range Not Satisfiable

  Unable to access these remotes: s3-PUBLIC

  Try making some of these repositories available:
    b5dd2e3d-825f-4bc2-b719-cba1059f6bfc -- root@93184394ac19:/datalad/ds000001
    deaa691f-c824-4416-9bf8-a94a47dd31b5 -- [s3-PUBLIC]

  (Note that these git remotes have annex-ignore set: origin)
failed
[2018-11-05 22:36:59.852095523] process done ExitSuccess
[2018-11-05 22:36:59.85253563] process done ExitSuccess
git-annex: get: 1 failed


$> du -scb .git/annex/tmp/MD5E-s46216487--ec7b8fc23a313f1429e941fd94c2d268.nii.gz
46216487        .git/annex/tmp/MD5E-s46216487--ec7b8fc23a313f1429e941fd94c2d268.nii.gz
46216487        total

$> md5sum .git/annex/tmp/MD5E-s46216487--ec7b8fc23a313f1429e941fd94c2d268.nii.gz
ec7b8fc23a313f1429e941fd94c2d268  .git/annex/tmp/MD5E-s46216487--ec7b8fc23a313f1429e941fd94c2d268.nii.gz

$> git annex version
git-annex version: 6.20181011+git124-g94aa0e2f6-1~ndall+1

Not sure why it ended up not moved into the proper location but I think upon redownload, size should be verified, if "Full" - try to proceed to checksum verification etc.

fixed --Joey