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?
Thanks,
Ilya
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