librbd provides crash-consistent IO. It is still up to your application to provide its own consistency by adding barriers (flushes) where necessary. If you flush your IO, once that flush completes you are guaranteed that your previous IO is safely committed to disk.
-- Jason Dillaman ----- Original Message ----- > From: "louis" <[email protected]> > To: [email protected] > Sent: Tuesday, March 8, 2016 9:06:21 AM > Subject: [ceph-users] how ceph osd handle ios sent from crashed ceph client > Hi, my process will use librbd doing block io. I wonder to know if my process > crashed,how ceph handle ios sent from my process before crashed? > Thanks > _______________________________________________ > 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
