Re: [ceph-users] Small Production system with Openstack

2014-04-05 Thread Christian Balzer
Hello, On Sat, 5 Apr 2014 08:44:02 +0100 Ian Marshall wrote: > Hi All > > I am struggling to gain information relating to whether Ceph without SSD > drives will give sufficient performance in my planned infrastructure > refresh using Openstack. I was keen to go with Ceph, with its support in >

Re: [ceph-users] Error while provisioning my first OSD

2014-04-05 Thread Adam Clark
Thanks Mike, Perfect. Cheers Adam On Sun, Apr 6, 2014 at 9:53 AM, Mike Dawson wrote: > Adam, > > I believe you need the command 'ceph osd create' prior to 'ceph-osd -i X > --mkfs --mkkey' for each OSD you add. > > http://ceph.com/docs/master/rados/operations/add-or-rm- > osds/#adding-an-osd-

Re: [ceph-users] Error while provisioning my first OSD

2014-04-05 Thread Mike Dawson
Adam, I believe you need the command 'ceph osd create' prior to 'ceph-osd -i X --mkfs --mkkey' for each OSD you add. http://ceph.com/docs/master/rados/operations/add-or-rm-osds/#adding-an-osd-manual Cheers, Mike On 4/5/2014 7:37 PM, Adam Clark wrote: HI all, I am trying to setup a Ceph c

[ceph-users] Error while provisioning my first OSD

2014-04-05 Thread Adam Clark
HI all, I am trying to setup a Ceph cluster for the first time. I am following the manual deployment at I want to orchestrate it with puppet. http://ceph.com/docs/master/install/manual-deployment/ All is going well until I want to add the OSD to the crush map. I get the following error: ceph

Re: [ceph-users] Change object size from 4MB (default) to 16MB

2014-04-05 Thread Wido den Hollander
On 04/05/2014 07:15 AM, Ta Ba Tuan wrote: Hi everyone My Ceph cluster is running, I'm plaining to tune my Ceph performance. I want to increase object size from 4M to 16MB (maybe 32MB,..) With the fomular: "stripe_unit" * "stripe_count" equals "object_size", i'm thinking to change this followi

Re: [ceph-users] Small Production system with Openstack

2014-04-05 Thread Dan Van Der Ster
Hi, I'm not looking at your hardware in detail (except to say that you absolutely must have 3 monitors and that I don't know what a load balancer would be useful for in this setup), but perhaps the two parameters below may help you evaluate your system. To estimate the IOPS capacity of your cl

Re: [ceph-users] fuse or kernel to mount rbd?

2014-04-05 Thread Chad William Seys
> Not to 3.2. I would recommend running a more recent ubuntu kernel (which > I *think* the support on 12.04 still) like 3.8 or 3.11. Those kernels > should be pretty stable provided the ubuntu kernel guys are keeping up > with the mainline stable kernels at kernel.org (they generally do). Thanks

[ceph-users] Recover cluster health after loosing 100% of OSDs.

2014-04-05 Thread Max Kutsevol
Hello! I am new to ceph, please take that into account. I'm experimenting with 3mons+2osds setup and got into situation when I recreated both of osds. My pools: ceph> osd lspools 0 data,1 metadata, These are just the defaults, I deleted rbd pool, the other two I can't delete it says that they

[ceph-users] Small Production system with Openstack

2014-04-05 Thread Ian Marshall
Hi All I am struggling to gain information relating to whether Ceph without SSD drives will give sufficient performance in my planned infrastructure refresh using Openstack. I was keen to go with Ceph, with its support in Openstack and Ubuntu, but it has been suggested that a SAN solution would pr