Many missing revlogs, do we have a problem?

[Simon King]

On Wed, Jun 17, 2015 at 3:58 PM, Alban Hertroys
<alban.hertroys at apollovredestein.com> wrote:
> I just tried a synchronize with a local copy of our master repo and it
> failed with "empty or missing revlog". So I figured there might be a few
> corrupted revlogs somewhere and did an hg verify on our master repo (using
> tortoisehg 3.3). I was NOT prepared for what it told me, an excerpt from
> the end of the (long) list:
>
> data/xxx_austrian_env/SalesreportPointSAustriaS.fex.i at 1883: missing
> revlog!
>  data/xxx_austrian_env/SalesreportPointSAustriaS_RC.fex.i at 1883: missing
> revlog!
>  data/xxx_austrian_env/SalesreportPointSAustriaStart.fex.i at 1883: missing
> revlog!
>  data/xxx_austrian_env/points.csv.i at 1883: missing revlog!
> 17922 files, 2741 changesets, 26977 total revisions
> 13 warnings encountered!
> 17985 integrity errors encountered!
> (first damaged changeset appears to be 0)
>
> It's telling me that we have even more integrity errors than we have
> files. Ouch!
>
> Last time I synchronized to my local copy was sometime last week and that
> went fine. Now suddenly we're in _this_ situation, and of course just as
> we're about to release the committed code to our new production server. I
> find it rather hard to believe that hg verify is telling me the truth,
> frankly - it doesn't make sense...
>
> Any idea how this might have happened?
> What can we do about it without losing our master repo?
>

First, take a backup of the master repository, and only work on the
backup. Don't touch the master repository until we've got to the
bottom of the problem.

Does "hg verify" work in your local repository?

In your (backup of the) master repository, do you have a file called
.hg/store/data/fncache?

Simon