syncfs is only available since glibc 2.14 (and kernel 2.6.39) ----- Mail original ----- De: "Oliver Francke" <Oliver.Francke@xxxxxxxx> À: ceph-devel@xxxxxxxxxxxxxxx Envoyé: Mardi 6 Novembre 2012 17:31:29 Objet: Re: Ubuntu 12.04.1 + xfs + syncfs is still not our friend In answer to myself, On 11/06/2012 05:14 PM, Oliver Francke wrote: > Hi *, > > anybody out there who's in Ubuntu 12.04.1/ in connection with libc + > xfs + syncfs? ii libc6 2.15-0ubuntu10.3 but: apt-cache show... . . Provides: glibc-2.13-1 . . playing with numbers, I think. But make clear, why syncfs-call is not in :-\ ... search continues... > > 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 Moltkestraße 25a 33330 Gütersloh HRB4355 AG Gütersloh Geschäftsführer: S.Grewing | J.Rehpöhler | C.Kunz Folgen Sie uns auf Twitter: http://twitter.com/filoogmbh -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html