diff --git a/doc/forum/How_to_prevent_copies_on_a_single_device_and_use_only_hardlinks/comment_1_b59a72142e8f752d7b68a63a6ac1bbfe._comment b/doc/forum/How_to_prevent_copies_on_a_single_device_and_use_only_hardlinks/comment_1_b59a72142e8f752d7b68a63a6ac1bbfe._comment
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+[[!comment format=mdwn
+ username="Ilya_Shlyakhter"
+ avatar="http://cdn.libravatar.org/avatar/1647044369aa7747829c38b9dcc84df0"
+ subject="using hardlinks"
+ date="2019-11-18T19:21:18Z"
+ content="""
+I don't have a full answer, but [[tips/local_caching_of_annexed_files]] might have relevant info.
+
+There is also the `annex.thin` setting; but check some [caveats](https://git-annex.branchable.com/bugs/annex.thin_can_cause_corrupt___40__not_just_missing__41___data/) related to it.
+"""]]