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authorGravatar https://www.google.com/accounts/o8/id?id=AItOawkRGMQkg9ck_pr47JXZV_C2DJQXrO8LgpI <Michael@web>2014-09-13 06:28:01 +0000
committerGravatar admin <admin@branchable.com>2014-09-13 06:28:01 +0000
commit80450de13fa78b6a63c4e032f72e9d58110c4e73 (patch)
tree503fa4b74fb16109de53da1790b619b3de91c68b
parent9fad0b8b1a8c5deb4de6bf56e5e736bf8ee3d9ad (diff)
Added a comment: Hard linking on local clone
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+[[!comment format=mdwn
+ username="https://www.google.com/accounts/o8/id?id=AItOawkRGMQkg9ck_pr47JXZV_C2DJQXrO8LgpI"
+ nickname="Michael"
+ subject="Hard linking on local clone"
+ date="2014-09-13T06:28:01Z"
+ content="""
+Thanks for this feature. It will save a lot of space when working on one-off projects with big scientific datasets.
+
+Unfortunately, there is probably no easy solution to achieve similar savings across file systems. On our shared cluster individual labs have their data in separate ZFS volumes (to ease individual backup handling), but data is often shared (i.e. copied) across volumes when cloning an annex. We need expensive de-duplication on the backup-server to, at least, prevent this kind of waste to hit the backups -- but the master file server still suffers (de-duplication ratio sometimes approaching a factor of 2.0).
+"""]]