Re: setting up virtual machines with ceph

2012-06-10 Thread udit agarwal
Hi Tommi, Thanks for your reply. I want just virtualization on my ceph system. I will explain you the exact implementation that I want in my ceph system. I want to run 10 virtual machine instances on my ceph client whilst utilizing the storage on the rest of the two systems. I tried to study

Re: [Openstack] Ceph + OpenStack [HOW-TO]

2012-06-10 Thread Florian Haas
On 06/10/12 23:32, Sébastien Han wrote: Hello everyone, I recently posted on my website an introduction to ceph and the integration of Ceph in OpenStack. It could be really helpful since the OpenStack documentation has not dealt with it so far. Feel free to comment, express your opinions

Re: radosgw authentication problems

2012-06-10 Thread Barry Pederson
On Jun 7, 2012, at 11:33 AM, Tommi Virtanen wrote: RADOS, RBD and radosgw are considered production ready, when configured correctly. Inktank is actively providing commercial support for those components. Are there any particular minimum versions of the Linux kernel or qemu-kvm that would

Re: radosgw authentication problems

2012-06-10 Thread Mark Nelson
On 06/07/2012 02:44 PM, Tommi Virtanen wrote: On Thu, Jun 7, 2012 at 11:52 AM, John Axel Erikssonj...@insane.se wrote: Do you recommend btrfs or perhaps xfs for osds etc? Right now I think the preference order is xfs btrfs ext4, but we keep seeing performance reliability issues fairly

[PATCH] mon: fix pg state logging

2012-06-10 Thread Yan, Zheng
From: Yan, Zheng zheng.z@intel.com PGMap-num_pg_by_state is a PG state to number of PG in the state mapping. PGMonitor::update_logger wrongly interprets the mapping. Signed-off-by: Yan, Zheng zheng.z@intel.com --- src/mon/PGMonitor.cc | 12 ++-- 1 file changed, 6

How to turn on async write of rbd ?

2012-06-10 Thread Eric_YH_Chen
Dear All: I saw rbd support async writes since 0.36, http://ceph.com/2011/09/ But I cannot find related document that how to turn on it. Should I just write enabled to /sys/devices/rbd/0/power/async? One more thing, If I want to implement iSCSI multipath with RBD, just like

Re: How to turn on async write of rbd ?

2012-06-10 Thread Sage Weil
On Mon, 11 Jun 2012, eric_yh_c...@wiwynn.com wrote: Dear All: I saw rbd support async writes since 0.36, http://ceph.com/2011/09/ But I cannot find related document that how to turn on it. Should I just write enabled to /sys/devices/rbd/0/power/async? This was referring to the

class exec test

2012-06-10 Thread Sage Weil
Hey- The librados api tests were calling a dummy test_exec method in cls_rbd that apparently got removed. We probably want to replace the test with *something*, though... maybe a version or similar command that just returns the version of the class? Or an OSD built-in dummy class with