Hi list No feedbacks ? It's not developed use case ? :( Thanks
Sent from my iPhone > On 3 janv. 2015, at 18:45, Florent MONTHEL <fmont...@flox-arts.net> wrote: > > Hi Team, > > I’ve 3 servers that have to mount 3 block image into sandevices pool : > > SERVER FALCON : > sandevices/falcon_lun0 > sandevices/falcon_lun1 > sandevices/falcon_lun2 > > SERVER RAVEN : > sandevices/raven_lun0 > sandevices/raven_lun1 > sandevices/raven_lun2 > > SERVER OSPREY : > sandevices/osprey_lun0 > sandevices/osprey_lun1 > sandevices/osprey_lun2 > > I created 3 client keys (raven/falcon/osprey) with below caps : ceph auth > caps client.raven mon 'allow r' osd 'allow rwx pool=sandevices' > > First question : > > RBD allow to mount several times same image on the same server : > > root@raven:/etc/ceph# rbd showmapped > id pool image snap device > 1 sandevices raven_lun0 - /dev/rbd1 > 2 sandevices raven_lun1 - /dev/rbd2 > root@raven:/etc/ceph# ls -l /dev/rbd/sandevices/raven_lun0 > lrwxrwxrwx 1 root root 10 Jan 3 18:32 /dev/rbd/sandevices/raven_lun0 -> > ../../rbd2 > > RBD1 will failed ? > I’m trying to play with lock but as indicated lock don’t avoid several rbd > map operation. I tried to « no share map option » without succeed… (rbd map > doesn’t accept -o on my server) > > Do you have the best way to avoid multiple tbd map operation on the same > server ? > > Second question : > > On the same way, I would like to avoid osprey server to mount falcon’s image. > osprey has to map only its own LUNs. I’m trying to play with namespace but > seem not yet fully supported. > Do you know how I can manage that (without 1 pool per server because I have > thousands servers...) ? > > > Thanks > > > > Florent Monthel > > > > >
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