Hi,

I have this OSD:

root@ceph-storage-rbx-1:~# ceph osd tree
ID WEIGHT   TYPE NAME                   UP/DOWN REWEIGHT PRIMARY-AFFINITY
-1 21.70432 root default
-2 10.85216     host ceph-storage-rbx-1
 0  3.61739         osd.0                    up  1.00000          1.00000
 2  3.61739         osd.2                    up  1.00000          1.00000
 4  3.61739         osd.4                    up  1.00000          1.00000
-3 10.85216     host ceph-storage-rbx-2
 1  3.61739         osd.1                    up  1.00000          1.00000
 3  3.61739         osd.3                    up  1.00000          1.00000
 5  3.61739         osd.5                    up  1.00000          1.00000

with:

      osd_pool_default_size: 2
      osd_pool_default_min_size: 1

Question: does Ceph always write data in one osd on host1 and replica on
host2?
I fear that Ceph sometime write data on osd.0 and replica on osd.2.

Best regards,
Stéphane
-- 
Stéphane Klein <cont...@stephane-klein.info>
blog: http://stephane-klein.info
cv : http://cv.stephane-klein.info
Twitter: http://twitter.com/klein_stephane
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