Hi all,
Today I'm testing CephFS with client-side kernel drivers.
My installation is composed of 2 nodes, each one with a monitor and an OSD.
One of them is also MDS.
root@test2:~# ceph -s
cluster 42081905-1a6b-4b9e-8984-145afe0f22f6
health HEALTH_OK
monmap e2: 2 mons at
{0=192.168.0.202:6789/0,1=192.168.0.200:6789/0}, election epoch 18,
quorum 0,1 0,1
mdsmap e15: 1/1/1 up {0=0=up:active}
osdmap e82: 2 osds: 2 up, 2 in
pgmap v4405: 384 pgs, 5 pools, 16677 MB data, 4328 objects
43473 MB used, 2542 GB / 2584 GB avail
384 active+clean
I added data pool to MDS : ceph mds add_data_pool 4
Then I created keyring for my client :
ceph --id admin --keyring /etc/ceph/ceph.client.admin.keyring auth
get-or-create client.test mds 'allow' osd 'allow * pool=CephFS' mon
'allow *' > /etc/ceph/ceph.client.test.keyring
And I mount FS with :
mount -o
name=test,secret=AQC9YhBT8CE9GhAAdgDiVLGIIgEleen4vkOp5w==,noatime -t
ceph 192.168.0.200,192.168.0.202:/ /mnt/ceph
The client could be Debian 7.4 (kernel 3.2) or Ubuntu 13.11 (kernel 3.11).
Mount is OK. I can write files to it. I can see files on every clients
mounted.
BUT...
Where are stored my files ?
My pool stays at 0 disk usage on rados df
Disk usage of OSDs never grows...
What did I miss ?
When client A writes a file, I got "Operation not permitted" when client
B reads the file, even if I "sync" FS.
That sounds very strange to me, I think I missed something but I don't
know what. Of course, no error in logs.
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