Hi Boris,

Does the bucket have object versioning enabled?
We saw something like this once a while ago: `s3cmd ls` showed an
entry for an object, but when we tried to get it we had 404.
We didn't find a good explanation in the end -- our user was able to
re-upload the object and it didn't recur so we didn't debug further.

I suggest you open a ticket in the tracker with all the evidence so
the developers can help diagnose the problem.

Cheers, Dan


On Fri, Jul 16, 2021 at 6:45 PM Boris Behrens <[email protected]> wrote:
>
> Hi Jean-Sebastien,
>
> I have the exact opposite. Files can be listed (the are in the bucket
> index), but are not available anymore.
>
> Am Fr., 16. Juli 2021 um 18:41 Uhr schrieb Jean-Sebastien Landry
> <[email protected]>:
> >
> > Hi Boris, I don't have any answer for you, but I have situation similar
> > to yours.
> >
> > https://lists.ceph.io/hyperkitty/list/[email protected]/message/7E6O6ILGE5JCI4ISU66HZ6ZVZP6N6T3M/
> >
> > I didn't try radoslist, I should have.
> >
> > Is this new, or it just that the client realised this lately?
> > All the data seems missing or just some paths?
> > Did you reshard lately?
> > Did you test using client programs like s3cmd & rclone...?
> >
> > I didn't have time to work on that this week, but I have to find a
> > solution too.
> > Meanwhile, I run with a lower shard number and my customer can access
> > all his data.
> > Cheers!
> >
> > On 7/16/21 11:36 AM, Boris Behrens wrote:
> > > [Externe UL*]
> > >
> > > Hi everybody,
> > > a customer mentioned that he got problems in accessing hist rgw data.
> > > I checked the bucket index and the file should be available. Then I
> > > pulled a list with radosgw-admin radoslist --bucket BUCKET and it
> > > seems that the file is gone.
> > >
> > > beside the "yaiks, is there a way the file might be somewhere else in
> > > ceph?" how can this happen?
> > >
> > > We do occational orphan objects cleanups but this does not pull the
> > > bucket index into account.
> > >
> > > It is a large bucket with 2.1m files in it and with 34 shards.
> > >
> > > Cheers and happy weekend
> > >   Boris
> > >
> > > --
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> > > im groüen Saal.
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