gistfile1.txt

Directory structure:

/services/tomography
- .ipfs/
- data/
-- bt2006-11-14-1
-- bt2007-04-12-1
-- bt2007-05-30-1
-- many more


Command to pin directories

$ ipfs add -r -p=false --nocopy /services/tomography/data/gh2006-03-14-3
$ ipfs add -r -p=false --nocopy /services/tomography/data/gh2006-03-28-4
$ ipfs add -r -p=false --nocopy /services/tomography/data/gh2006-03-28-5
-- many more

$ ipfs repo stat
NumObjects: 7347468
RepoSize:   17048662512
StorageMax: 10000000000
RepoPath:   /services/tomography/.ipfs
Version:    fs-repo@6

Only ~17 GB in the repo, good, it didn't copy the data inside