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Re: FSFS7: 'svnadmin hotcopy' requires write access to the source

From: Branko Čibej <brane_at_wandisco.com>
Date: Tue, 16 Jun 2015 22:12:54 +0200

On 16.06.2015 22:03, Stefan Fuhrmann wrote:
> On Tue, Jun 16, 2015 at 9:38 PM, Branko Čibej <brane_at_wandisco.com
> <mailto:brane_at_wandisco.com>> wrote:
>
> On 16.06.2015 20:49, Stefan Fuhrmann wrote:
> > Once we are at it, let's detect pack operations during
> > hotcopy (compare pack status before & after the hotcopy).
> > Then we can at least warn the user of older format repos
> > that their hotcopy is possibly corrupt now.
>
> We should probably do that regardless of FSFS format?
>
>
> Yes (and it is probably even less code to do so).
>
> Alternatively, we could copy revisions explicitly in strict
> order as opposed to blindly copying directory contents.
> That way, we would detect a pack process removing
> files under our very eyes and restart the copying at the
> appropriate shard. Disabling pack during hotcopy would
> still be a good idea but no longer necessary.
>
> I guess such a change would be 1.10 material.

In the meantime, if we haven't done so already, we should just document
that running hotcopy and pack at the same time is a bad idea. Admins
surely have many tools available to prevent such collisions.

-- Brane
Received on 2015-06-16 22:13:07 CEST

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