http://tracker.ceph.com/issues/10737 John On Tue, Feb 3, 2015 at 10:36 PM, Gregory Farnum <greg@xxxxxxxxxxx> wrote: > On Tue, Feb 3, 2015 at 1:30 PM, John Spray <john.spray@xxxxxxxxxx> wrote: >> On Tue, Feb 3, 2015 at 10:23 PM, Gregory Farnum <greg@xxxxxxxxxxx> wrote: >>>> If you explicitly change the layout of a file containing data to point >>>> to a different pool, then you will see zeros when you try to read it >>>> back (although new data will be written to the new pool). >>> >>> That statement sounds really scary. To reassure people: you can't >>> actually change layout on a file which has already been written to! >>> Trying to do so will return an error code; actually changing the >>> layouts and seeing this result would require manually mucking around >>> with RADOS data underneath the MDS. >> >> Ah, in that case I think we need to open a ticket because my comment >> was based on trying it out, and it definitely did let that happen! > > ... > Yes please! > > I wonder when that got broken. Apparently we need some tests for > layout manipulation. D: _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com