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Re: backing up a repository over a network

From: Faheem Mitha <faheem_at_email.unc.edu>
Date: 2003-06-10 01:18:48 CEST

On 9 Jun 2003 cmpilato@collab.net wrote:

> Without seeing exactly what you did and in what order you did those
> things, I'm not able to really poke a guess at what ails you. All I can
> say is that the folks at Sleepycat recommend a particular algorithm for
> making hot backups of Berkeley DB environments which is guaranteed to
> not screw stuff up, and it is that algorithm which hot-backup.py
> follows.

You misunderstand. This is not a complaint or request for help. I just
wondered why, if the files created are temporary, that the repository
appears to have changed even after the transaction (eg. `svn co ...') was
completed. Clearly this is no problem as such.

> If we can agree on two things,
> (1) that the hot-backup.py algorithm is the only one which
> guarantees a usable backup repository, and
> (2) that rsync will faithfully copy byte-for-byte filesystem
> segments across a network,
> then I think we have a recipe for scratching your itch. To use
> another non-Sleepycat-sanctioned backup method on a live repository
> takes us into the realm of academic discussion -- not my favorite
> flavor. :-)

Ok. I quite understand if you don't want to have an academic discussion.
I've guess I've spent too long in universities. :-)


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Received on Tue Jun 10 01:19:40 2003

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