On 06/05/2015 16:58, Scottix wrote:
As a point to
* someone accidentally removed a thing, and now they need a thing back
I thought MooseFS has an interesting feature that I thought would be
good for CephFS and maybe others.
Basically a timed Trashbin
"Deleted files are retained for a configurable period of time (a file
system level "trash bin")"
It's an idea to cover this use case.
Until recently we had a bug where deleted files weren't purged until the
next MDS restart, so maybe we should just back out the fix for that :-D
Seriously though, I didn't know about that MooseFS feature, it's
interesting that they decided to implement that. It would be fairly
straightforward to do that in CephFS (we already put deleted files into
a 'stray' directory before purging them asynchronously), but I think
there might be some debate about whether it's really the role of the
underlying filesystem to do that kind of thing.
John
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