On Mon, 14 Apr 2014 16:06:30 Josh Durgin wrote: > As a ceph developer, the mixed-cluster issue is a bug (possibly fixed > already since 0.79 is undergoing heavy testing and fixes before the > next long term stable release, 0.80, is out). If you have more details > we'd be happy to hear about them.
Sorry it was really version 0.78 that couldn't work in mixed environment with
0.72.2. By the time when 0.79 was released I already upgraded my cluster from
0.72.2 to 0.78 therefore I'm not sure if 0.79 exhibit the same problem.
> Regarding library symbols, the ceph libraries each have C++ as well as
> C interfaces, and there's been some suggestions to move to
> visibility=hidden by default, to avoid some of the hairier problems
> with C++ libraries [1]. It seems like this would make .symbols files
> approach more tenable, since passing through all C++ symbols would
> not be as bad if only the desired ones are exported in the first place.
> This isn't done yet, but in the mean time the "dh_makeshlibs -V"
> approach seems fine to me.
I see.... Thanks for your comments. For now I uploaded Ceph_0.72.2-3 with
"dh_makeshlibs -V" fix for #679686.
As for .symbols we will try some in "experimental" first to see how it goes.
I lowered severity of #744382 which I'm going to keep open to track progress
of adding symbols.
> If there's anything we could do upstream to make this easier, let us know.
Thank you, thank you. :)
--
Best wishes,
Dmitry Smirnov.
---
A wise man proportions his belief to the evidence.
-- David Hume, "An Inquiry Concerning Human Understanding"
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