Sebastian, It's actually not an issue with Ceph, but with the Linux kernel itself. If you want to do this and avoid a deadlock, just use a VM on the same host to mount the block device.
Regards, John On Tue, Jun 10, 2014 at 9:51 AM, Jean-Charles LOPEZ <[email protected]> wrote: > Hi Sébastien, > > still the case. Depending on what you do, the OSD process will get to a > hang and will suicide. > > Regards > JC > > On Jun 10, 2014, at 09:46, Sebastien Han <[email protected]> > wrote: > > > Hi all, > > > > A couple of years ago, I heard that it wasn’t safe to map a krbd block > on an OSD host. > > It was more or less like mounting a NFS mount on the NFS server, we can > potentially end up with some deadlocks. > > > > At least, I tried again recently and didn’t encounter any problem. > > > > What do you think? > > > > Cheers. > > –––– > > Sébastien Han > > Cloud Engineer > > > > "Always give 100%. Unless you're giving blood." > > > > Phone: +33 (0)1 49 70 99 72 > > Mail: [email protected] > > Address : 11 bis, rue Roquépine - 75008 Paris > > Web : www.enovance.com - Twitter : @enovance > > > > _______________________________________________ > > ceph-users mailing list > > [email protected] > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- John Wilkins Senior Technical Writer Intank [email protected] (415) 425-9599 http://inktank.com
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