Hi! I'm not a specialist, but I think it will be better to move journals to other place first (stopping each OSD, moving it journal file to a HDD, and starting again), replace SSD and move journals to a new drive, again, one-by-one. The "no-out" mode can help. Pavel. 06 ??? 2014 ?., ? 14:34, Gandalf Corvotempesta <gandalf.corvotempesta at gmail.com> ???????(?): > Hi to all, > I would like to replace a disk used as journal (one partition for each OSD) > > Which is the safest method to do so? > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com