On Thu, Aug 02, 2018 at 01:04:46PM +0200, Ilya Dryomov wrote: > On Thu, Aug 2, 2018 at 12:49 PM <xiang.dai@xxxxxxxxxxx> wrote: > > > > I create a rbd named dx-app with 500G, and map as rbd0. > > > > But i find the size is different with different cmd: > > > > [root@dx-app docker]# rbd info dx-app > > rbd image 'dx-app': > > size 32000 GB in 8192000 objects <==== > > order 22 (4096 kB objects) > > block_name_prefix: rbd_data.1206643c9869 > > format: 2 > > features: layering > > flags: > > create_timestamp: Thu Aug 2 18:18:20 2018 > > > > [root@dx-app docker]# lsblk > > NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT > > vda 253:0 0 20G 0 disk > > └─vda1 253:1 0 20G 0 part / > > vdb 253:16 0 200G 0 disk > > └─vg--test--data-lv--data 252:0 0 199.9G 0 lvm /test/data > > vdc 253:32 0 200G 0 disk > > vdd 253:48 0 200G 0 disk /pkgs > > vde 253:64 0 200G 0 disk > > rbd0 251:0 0 31.3T 0 disk /test/docker <==== > > > > [root@dx-app docker]# df -Th > > Filesystem Type Size Used Avail Use% Mounted on > > /dev/vda1 xfs 20G 14G 6.5G 68% / > > devtmpfs devtmpfs 7.8G 0 7.8G 0% /dev > > tmpfs tmpfs 7.8G 12K 7.8G 1% /dev/shm > > tmpfs tmpfs 7.8G 3.7M 7.8G 1% /run > > tmpfs tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup > > /dev/vde xfs 200G 33M 200G 1% /test/software > > /dev/vdd xfs 200G 117G 84G 59% /pkgs > > /dev/mapper/vg--test--data-lv--data xfs 200G 334M 200G 1% /test/data > > tmpfs tmpfs 1.6G 0 1.6G 0% /run/user/0 > > /dev/rbd0 xfs 500G 34M 500G 1% /test/docker <==== > > > > Which is true? > > Did you run "rbd create", "rbd map", "mkfs.xfs" and "mount" by > yourself? If not, how was that mount created? Yes, i do `rbd create`, `rbd map`, `mkfs.xfs` and `mount`. I think the different size is that i do `rbd resize 102400T` and cancel it. But the result is not what we want, right? > > Thanks, > > Ilya -- Best Regards Dai Xiang _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com