Thanks for your response. But yes, the netwerk is OK. But i will double check to be sure. Then again, If I copy other (big) files from the same client everything works without any issues. The problem is isolated to a specific file. With a mis-configured network I would see this kind of issues constantly. With kind regards, On 10/06/2016 04:39 PM, Oliver Dzombic wrote: > Hi, > > are you sure, that the network is OK ? > > Stuff like this can happen if somewhere in between the MTU size is > different. > > So make sure, that all public ceph nic's have the same MTU as the > client, and also every switchport has the same MTU in between. > -- Kramer M.D. Infrastructure Engineer ........................................................................ Nederlands Forensisch Instituut Digitale Technologie & Biometrie Laan van Ypenburg 6 | 2497 GB | Den Haag Postbus 24044 | 2490 AA | Den Haag ........................................................................ T 070 888 64 30 M 06 29 62 12 02 d.kramer@xxxxxxxxxxxxxx / dennis@xxxxxxxxx PGP publickey: http://www.holmes.nl/dennis.asc www.forensischinstituut.nl ........................................................................ Nederlands Forensisch Instituut. In feiten het beste. ........................................................................ _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com