Ceph support in OpenNebula

2013-02-20 Thread Jaime Melis
Hello everyone, I'm an OpenNebula [1] developer. We've been working on integrating OpenNebula with native Ceph drivers (using libvirt). The integration is now complete, ready for testing. You can find more information about its usage here [2]. We will maintain these drivers officially and extend

Re: Geo-replication with RBD

2013-02-20 Thread Sławomir Skowron
Like i say, yes. Now it is only option, to migrate data from one cluster to other, and now it must be enough, with some auto features. But is there any timeline, or any brainstorming in ceph internal meetings, about any possible replication in block level, or something like that ?? On 20 lut

Re: Ceph Rpm Packages for Fedora 18

2013-02-20 Thread Gary Lowell
Hi Kirin - The Ceph 0.56.3 (Bobtail) release includes Fedora18 rpms. You can find those at: http://www.ceph.com/rpm-bobtail/fc18/x86_64/ Cheers, Gary On Feb 19, 2013, at 7:01 PM, Kiran Patil wrote: Hello, Ceph Rpm Packages are up to Fedora 17. May I know when will Fedora 18 Rpm

Re: Geo-replication with RBD

2013-02-20 Thread Sage Weil
On Wed, 20 Feb 2013, S?awomir Skowron wrote: Like i say, yes. Now it is only option, to migrate data from one cluster to other, and now it must be enough, with some auto features. But is there any timeline, or any brainstorming in ceph internal meetings, about any possible replication in

Re: Hadoop DNS/topology details

2013-02-20 Thread Sage Weil
On Wed, 20 Feb 2013, Noah Watkins wrote: On Feb 19, 2013, at 4:39 PM, Sage Weil s...@inktank.com wrote: However, we do have host and rack information in the crush map, at least for non-customized installations. How about something like string ceph_get_osd_crush_location(int osd,

[0.48.3] cluster health - 1 pgs incomplete state

2013-02-20 Thread Sławomir Skowron
Hi, I have some problem. After OSD expand, and cluster crush re-organize i have 1 pg in incomplete state. How can i solve this problem ?? ceph -s health HEALTH_WARN 1 pgs incomplete; 1 pgs stuck inactive; 1 pgs stuck unclean monmap e21: 3 mons at

Re: Hadoop DNS/topology details

2013-02-20 Thread Noah Watkins
On Feb 20, 2013, at 9:31 AM, Sage Weil s...@inktank.com wrote: or something like this that replaces the current extent-to-sockaddr interface? The proposed interface about would do the host/ip mapping, as well as the topology mapping? Yeah. The ceph_offset_to_osds should probably also

Re: enable old OSD snapshot to re-join a cluster

2013-02-20 Thread Gregory Farnum
On Tue, Feb 19, 2013 at 2:52 PM, Alexandre Oliva ol...@gnu.org wrote: It recently occurred to me that I messed up an OSD's storage, and decided that the easiest way to bring it back was to roll it back to an earlier snapshot I'd taken (along the lines of clustersnap) and let it recover from

Re: crush reweight

2013-02-20 Thread Sage Weil
On Wed, 20 Feb 2013, Bo-Syung Yang wrote: Hi, I have a crush map (may not be practical, but just for demo) applied to a two-host cluster (each host has two OSDs) to test ceph osd crush reweight: # begin crush map # devices device 0 sdc-host0 device 1 sdd-host0 device 2 sdc-host1

Re: crush reweight

2013-02-20 Thread Bo-Syung Yang
On Wed, Feb 20, 2013 at 12:39 PM, Sage Weil s...@inktank.com wrote: On Wed, 20 Feb 2013, Bo-Syung Yang wrote: Hi, I have a crush map (may not be practical, but just for demo) applied to a two-host cluster (each host has two OSDs) to test ceph osd crush reweight: # begin crush map #

Re: crush reweight

2013-02-20 Thread Sage Weil
On Wed, 20 Feb 2013, Bo-Syung Yang wrote: On Wed, Feb 20, 2013 at 12:39 PM, Sage Weil s...@inktank.com wrote: On Wed, 20 Feb 2013, Bo-Syung Yang wrote: Hi, I have a crush map (may not be practical, but just for demo) applied to a two-host cluster (each host has two OSDs) to test ceph

Re: crush reweight

2013-02-20 Thread Bo-Syung Yang
On Wed, Feb 20, 2013 at 1:19 PM, Sage Weil s...@inktank.com wrote: On Wed, 20 Feb 2013, Bo-Syung Yang wrote: On Wed, Feb 20, 2013 at 12:39 PM, Sage Weil s...@inktank.com wrote: On Wed, 20 Feb 2013, Bo-Syung Yang wrote: Hi, I have a crush map (may not be practical, but just for demo)

Re: [RFC PATCH 0/6] Understanding delays due to throttling under very heavy write load

2013-02-20 Thread Sage Weil
Hi Jim, I'm resurrecting an ancient thread here, but: we've just observed this on another big cluster and remembered that this hasn't actually been fixed. I think the right solution is to make an option that will setsockopt on SO_RECVBUF to some value (say, 256KB). I pushed a branch that does

Re: Ceph Rpm Packages for Fedora 18

2013-02-20 Thread Kiran Patil
Thanks Gary. On Wed, Feb 20, 2013 at 10:34 PM, Gary Lowell gary.low...@inktank.com wrote: Hi Kirin - The Ceph 0.56.3 (Bobtail) release includes Fedora18 rpms. You can find those at: http://www.ceph.com/rpm-bobtail/fc18/x86_64/ Cheers, Gary On Feb 19, 2013, at 7:01 PM, Kiran Patil

Re: rbd export speed limit

2013-02-20 Thread Andrey Korolyov
On Wed, Feb 13, 2013 at 12:22 AM, Stefan Priebe s.pri...@profihost.ag wrote: Hi, is there a speed limit option for rbd export? Right now i'm able to produce several SLOW requests from IMPORTANT valid requests while just exporting a snapshot which is not really important. rbd export runs