Re: [ceph-users] using Ceph FS as OpenStack Glance's backend

2013-03-22 Thread Li, Chen
S currently " > > Thanks. > -chen > > > -Original Message- > From: yehud...@gmail.com [mailto:yehud...@gmail.com] On Behalf Of > Yehuda Sadeh > Sent: Thursday, March 21, 2013 9:52 PM > To: Sebastien Han > Cc: Li, Chen; ceph-users@lists.ceph.com > Subje

Re: [ceph-users] using Ceph FS as OpenStack Glance's backend

2013-03-21 Thread Neil Levine
nks. > -chen > > > -Original Message- > From: yehud...@gmail.com [mailto:yehud...@gmail.com] On Behalf Of Yehuda Sadeh > Sent: Thursday, March 21, 2013 9:52 PM > To: Sebastien Han > Cc: Li, Chen; ceph-users@lists.ceph.com > Subject: Re: [ceph-users] using Ceph FS as O

Re: [ceph-users] using Ceph FS as OpenStack Glance's backend

2013-03-21 Thread Li, Chen
: Thursday, March 21, 2013 9:52 PM To: Sebastien Han Cc: Li, Chen; ceph-users@lists.ceph.com Subject: Re: [ceph-users] using Ceph FS as OpenStack Glance's backend On Thu, Mar 21, 2013 at 2:12 AM, Sebastien Han wrote: > > Hi, > > Storing the image as an object with RADOS or RGW

Re: [ceph-users] using Ceph FS as OpenStack Glance's backend

2013-03-21 Thread Yehuda Sadeh
On Thu, Mar 21, 2013 at 2:12 AM, Sebastien Han wrote: > > Hi, > > Storing the image as an object with RADOS or RGW will result as a single big > object stored somewhere in Ceph. However with RBD the image is spread across > thousands of objects across the entire cluster. At the end, you get way

Re: [ceph-users] using Ceph FS as OpenStack Glance's backend

2013-03-21 Thread Gandalf Corvotempesta
2013/3/21 Sebastien Han > Hi, > > Storing the image as an object with RADOS or RGW will result as a single > big object stored somewhere in Ceph. However with RBD the image is spread > across thousands of objects across the entire cluster. At the end, you get > way more performance by using RBD s

Re: [ceph-users] using Ceph FS as OpenStack Glance's backend

2013-03-21 Thread Sebastien Han
eph object gateway or Ceph RBD makes more sense than CephFS currently." ?Because CephFS is production ready?Thanks.-chen-Original Message-From: Neil Levine [mailto:neil.levine@inktank.com] Sent: Wednesday, March 20, 2013 4:05 AMTo: Patrick McGarryCc: Li, Chen; ceph-users@lists.ceph.comS

Re: [ceph-users] using Ceph FS as OpenStack Glance's backend

2013-03-21 Thread Li, Chen
nktank.com] Sent: Wednesday, March 20, 2013 4:05 AM To: Patrick McGarry Cc: Li, Chen; ceph-users@lists.ceph.com Subject: Re: [ceph-users] using Ceph FS as OpenStack Glance's backend ..to be more precise, I should have said: object storage has been the preferred mechanism of late in Openstack

Re: [ceph-users] using Ceph FS as OpenStack Glance's backend

2013-03-19 Thread Li, Chen
I just want to try if Ceph FS works. Thanks. -chen -Original Message- From: pmcga...@gmail.com [mailto:pmcga...@gmail.com] On Behalf Of Patrick McGarry Sent: Tuesday, March 19, 2013 9:50 PM To: Li, Chen Cc: ceph-users@lists.ceph.com Subject: Re: [ceph-users] using Ceph FS as OpenStack

Re: [ceph-users] using Ceph FS as OpenStack Glance's backend

2013-03-19 Thread Neil Levine
..to be more precise, I should have said: object storage has been the preferred mechanism of late in Openstack, but RBD makes more sense due to the copy-on-write facility. Either way, either the Ceph object gateway or Ceph RBD makes more sense than CephFS currently. neil On Tue, Mar 19, 2013 at 1

Re: [ceph-users] using Ceph FS as OpenStack Glance's backend

2013-03-19 Thread Neil Levine
I think object storage (using the Swift-compatible Ceph Object Gateway) is the preferred mechanism for a Glance backend. Neil On Tue, Mar 19, 2013 at 6:49 AM, Patrick McGarry wrote: > Any reason you have chosen to use CephFS here instead of RBD for > direct integration with Glance? > > http://ce

Re: [ceph-users] using Ceph FS as OpenStack Glance's backend

2013-03-19 Thread Patrick McGarry
Any reason you have chosen to use CephFS here instead of RBD for direct integration with Glance? http://ceph.com/docs/master/rbd/rbd-openstack/ Best Regards, Patrick McGarry Director, Community || Inktank http://ceph.com || http://inktank.com @scuttlemonkey || @ceph || @inktank On Tue, Ma

[ceph-users] using Ceph FS as OpenStack Glance's backend

2013-03-19 Thread Li, Chen
I'm trying to use Ceph FS as glance's backend. I have mount Ceph FS at glance machine. And edit /etc/glance/glance-api.conf to use the mounted directory. But when I upload the image as I used to, I met the error: Request returned failure status. None HTTPServiceUnavailable (HTTP 503) If I change