Ubuntu 12.04.1 + xfs + syncfs is still not our friend

[Oliver Francke <Oliver.Francke@filoo.de>]

Hi *,

anybody out there who's in Ubuntu 12.04.1/ in connection with libc + xfs 
+ syncfs?

We bit the bullet and reinstalled two new nodes from debian to precise 
in favour of possible performance increase?!

*sigh*, still getting:

2012-11-06 17:05:51.863921 7f5cc52e3780  0 filestore(/data/osd6-3) mount 
syncfs(2) syscall not support by glibc
2012-11-06 17:05:51.863925 7f5cc52e3780  0 filestore(/data/osd6-3) mount 
no syncfs(2), must use sync(2).

as a show-stopper.

That's with 3.2.* and 3.6.6 kernel. Should be new enough. And 
ceph-0.48.2 ( eu.ceph.com mirror was installing 0.48.1.. though *ops* ;) )

But both should be capable of this system-call?!

We've been so very near... but now clueless, please sched some light in 8-)

( I hope this is not a very obvious human RTFM error ;) )

And so I'm writing, should one enable directio + aio, as we're having 
the journals on a SSD-partition?

Kind regards,

Oliver.

-- 

Oliver Francke

filoo GmbH
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