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From Vincent Lefevre <vincent-...@vinc17.net>
Subject Re: Support for filesystem snapshots (?)
Date Tue, 03 Aug 2010 12:02:46 GMT
On 2010-08-02 14:41:29 -0400, Vallon, Justin wrote:
> That is the situation I raised. If the network connection between
> the host that is modifying the repository and the filesystem that
> houses the repository is lost, will be repository be (a) corrupt,
> (b) require cleanup (locks, etc), (c) pristine?
> 
> (c) is great
> (b) is ok
> (a) means the operations are not transactional
> 
> Further:
> 
> (c) snapshots work
> (b) snapshots work, but need a cleanup after restore
> (a) snapshots don't work; repository is not transactional, either

I don't see how (c) could be possible, as a commit requires
several filesystem operations (even for updating "current").
Of course, (b) + automatical clean-up could look like (c).

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <http://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / Arénaire project (LIP, ENS-Lyon)

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