Unfortunately I can't browse this bug: "You are not authorized to access bug #1079385." Can you email me details on ths bug? I think that's the reason I can't find this fix for rhel\centos in google)
-- Friday, February 3, 2017, 14:45:43: > On Thu, Feb 2, 2017 at 11:45 PM, Sergey Kulikov <ser...@msm.ru> wrote: > I've upgraded to 4.1 release, it have great feature "Pass > discards", that now can be used without vdsm hooks, > After upgrade I've tested it with NFS 4.1 storage, exported from > netapp, but unfortunately found out, that > it's not working, after some investigation, I've found, that NFS > implementation(even 4.1) in Centos 7 > doesn't support sparse files and fallocate(FALLOC_FL_PUNCH_HOLE), > that quemu uses for file storage, it was > added only in kernel 3.18, and sparse files is also announced feature of > upcoming NFS4.2, > sparsify also not working on this data domains(runs, but nothing happens). > > This test also shows, that FALLOC_FL_PUNCH_HOLE not working, it > was executed on centos ovirt host with mounted nfs share: > # truncate -s 1024 test1 > # fallocate -p -o 0 -l 1024 test1 > fallocate: keep size mode (-n option) unsupported > > Is there any plans to backport this feature to node-ng, or centos? or we > should wait for RHEL 8? > Interesting, I was under the impression it was fixed some time ago, > for 7.2[1] (kernel-3.10.0-313.el7) > Perhaps you are not mounted with 4.2? > Y. > [1] https://bugzilla.redhat.com/show_bug.cgi?id=1079385 > > NFS is more and more popular, so discards is VERY useful feature. > I'm also planning to test fallocate on latest fedora with 4.x kernel and > mounted nfs. > > Thanks for your work! > > -- > > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users