Re: All pools have size=3 but "MB data" and "MB used" ratio is 1 to 5

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> Do you by any chance have your OSDs placed at a local directory path rather
> than on a non utilized physical disk?

No, I have 18 Disks per Server. Each OSD is mapped to a physical disk.

Here in the output of one server:
ansible@zrh-srv-m-cph02:~$ df -h
Filesystem               Size  Used Avail Use% Mounted on
/dev/mapper/vg01-root     28G  4.5G   22G  18% /
none                     4.0K     0  4.0K   0% /sys/fs/cgroup
udev                      48G  4.0K   48G   1% /dev
tmpfs                    9.5G  1.3M  9.5G   1% /run
none                     5.0M     0  5.0M   0% /run/lock
none                      48G   20K   48G   1% /run/shm
none                     100M     0  100M   0% /run/user
/dev/mapper/vg01-tmp     4.5G  9.4M  4.3G   1% /tmp
/dev/mapper/vg01-varlog  9.1G  5.1G  3.6G  59% /var/log
/dev/sdf1                932G   15G  917G   2% /var/lib/ceph/osd/ceph-3
/dev/sdg1                932G   15G  917G   2% /var/lib/ceph/osd/ceph-4
/dev/sdl1                932G   13G  919G   2% /var/lib/ceph/osd/ceph-8
/dev/sdo1                932G   15G  917G   2% /var/lib/ceph/osd/ceph-11
/dev/sde1                932G   15G  917G   2% /var/lib/ceph/osd/ceph-2
/dev/sdd1                932G   15G  917G   2% /var/lib/ceph/osd/ceph-1
/dev/sdt1                932G   15G  917G   2% /var/lib/ceph/osd/ceph-15
/dev/sdq1                932G   12G  920G   2% /var/lib/ceph/osd/ceph-12
/dev/sdc1                932G   14G  918G   2% /var/lib/ceph/osd/ceph-0
/dev/sds1                932G   17G  916G   2% /var/lib/ceph/osd/ceph-14
/dev/sdu1                932G   14G  918G   2% /var/lib/ceph/osd/ceph-16
/dev/sdm1                932G   15G  917G   2% /var/lib/ceph/osd/ceph-9
/dev/sdk1                932G   17G  915G   2% /var/lib/ceph/osd/ceph-7
/dev/sdn1                932G   14G  918G   2% /var/lib/ceph/osd/ceph-10
/dev/sdr1                932G   15G  917G   2% /var/lib/ceph/osd/ceph-13
/dev/sdv1                932G   14G  918G   2% /var/lib/ceph/osd/ceph-17
/dev/sdh1                932G   17G  916G   2% /var/lib/ceph/osd/ceph-5
/dev/sdj1                932G   14G  918G   2% /var/lib/ceph/osd/ceph-30
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