Re: [ceph-users] cls_rbd ops on rbd_id.$name objects in EC pool

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On Thu, 11 Feb 2016, Robert LeBlanc wrote:
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> Is this only a problem with EC base tiers or would replicated base
> tiers see this too?

In general proxying to the base tier will work just fine if its 
replicated, so this is mostly an EC-only issue.  The exception to that is 
Jason's commit I mentioned earlier that ensures the locking happens in the 
cache tier.

This was broken while fixing an op reordering issue a few months back, and 
I believe that fix was backported, so we'll need to do this one as well 
once it's reviewed and tested.

Thanks, Nick, for figuring out how to reproduce it!

sage


> - ----------------
> Robert LeBlanc
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> 
> On Thu, Feb 11, 2016 at 6:09 PM, Sage Weil  wrote:
> > On Thu, 11 Feb 2016, Nick Fisk wrote:
> >> That’s a relief, I was sensing a major case of face palm occuring when I
> >> read Jason's email!!!
> >
> > https://github.com/ceph/ceph/pull/7617
> >
> > The tangled logic in maybe_handle_cache wasn't respecting the force
> > promotion bool.
> >
> > sage
> > _______________________________________________
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> >
> 
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