Hi Sage & Joao, Thanks your reply !! after checking, I missed upgrade one package on monitor node therefore ceph df can't use ... I upgrade it and restart mon daemons then 'ceph df ' can be used Thanks all - Kelvin > -----Original Message----- > From: Sage Weil [mailto:sage@xxxxxxxxxxx] > Sent: Tuesday, May 21, 2013 12:11 AM > To: Kelvin Huang/WYHQ/Wiwynn > Cc: ceph-users@xxxxxxxx; Victor CY Chang/WYHQ/Wiwynn; PJ > Lin/WYHQ/Wiwynn > Subject: Re: v0.61.2 'ceph df' can't use > > On Mon, 20 May 2013, Kelvin_Huang@xxxxxxxxxx wrote: > > Hi all, > > I upgrade Ceph to the v0.62, but I find the 'ceph df' command can't use... > that show 'unrecognized command' , why ? that need other options ? > > Make sure the ceph-mon daemons have been restarted so that they are > running the new version. > > sage _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com