Hi Narendra

rbd for cinder and glance are according to the ceph documentation here: 
http://ceph.com/docs/master/rbd/rbd-openstack/

rbd for VM images configured like so: https://review.openstack.org/#/c/36042/

config sample (nova.conf):

--- cut ---

volume_driver=nova.volume.driver.RBDDriver
rbd_pool=volumes
rbd_user=volumes
rbd_secret_uuid=xxxx-yyyy-zzzz


libvirt_images_type=rbd
# the RADOS pool in which rbd volumes are stored (string value)
libvirt_images_rbd_pool=volumes
# path to the ceph configuration file to use (string value)
libvirt_images_rbd_ceph_conf=/etc/ceph/ceph.conf


# dont inject stuff into partions, RBD backed partitions don't work that way
libvirt_inject_partition = -2

--- cut ---

and finally, used the following files from this repository: 
https://github.com/jdurgin/nova/tree/havana-ephemeral-rbd

image/glance.py
virt/images.py
virt/libvirt/driver.py
virt/libvirt/imagebackend.py
virt/libvirt/utils.py

good luck :)

cheers
jc

-- 
SWITCH
Jens-Christian Fischer, Peta Solutions
Werdstrasse 2, P.O. Box, 8021 Zurich, Switzerland
phone +41 44 268 15 15, direct +41 44 268 15 71
jens-christian.fisc...@switch.ch
http://www.switch.ch

http://www.switch.ch/socialmedia

On 22.11.2013, at 17:41, "Trivedi, Narendra" <narendra.triv...@savvis.com> 
wrote:

> Hi Jean,
>  
> Could you please tell me which link you followed to install RBD etc. for 
> Havana?
>  
> Thanks!
> Narendra
>  
> From: ceph-users-boun...@lists.ceph.com 
> [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of Jens-Christian Fischer
> Sent: Thursday, November 21, 2013 8:06 AM
> To: ceph-users@lists.ceph.com
> Cc: Rüdiger Rissmann
> Subject: [ceph-users] Openstack Havana, boot from volume fails
>  
> Hi all
>  
> I'm playing with the boot from volume options in Havana and have run into 
> problems:
>  
> (Openstack Havana, Ceph Dumpling (0.67.4), rbd for glance, cinder and 
> experimental ephemeral disk support)
>  
> The following things do work:
> - glance images are in rbd
> - cinder volumes are in rbd
> - creating a VM from an image works
> - creating a VM from a snapshot works
>  
>  
> However, the booting from volume fails:
>  
> Steps to reproduce:
>  
> Boot from image
> Create snapshot from running instance
> Create volume from this snapshot
> Start a new instance with "boot from volume" and the volume just created:
>  
> The boot process hangs after around 3 seconds, and the console.log of the 
> instance shows this:
>  
> [    0.000000] Linux version 3.11.0-12-generic (buildd@allspice) (gcc version 
> 4.8.1 (Ubuntu/Linaro 4.8.1-10ubuntu7) ) #19-Ubuntu SMP Wed Oct 9 16:20:46 UTC 
> 2013 (Ubuntu 3.11.0-12.19-generic 3.11.3)
> [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic 
> root=LABEL=cloudimg-rootfs ro console=tty1 console=ttyS0
> ...
> [    0.098221] Brought up 1 CPUs
> [    0.098964] smpboot: Total of 1 processors activated (4588.94 BogoMIPS)
> [    0.100408] NMI watchdog: enabled on all CPUs, permanently consumes one 
> hw-PMU counter.
> [    0.102667] devtmpfs: initialized
> …
> [    0.560202] Linux agpgart interface v0.103
> [    0.562276] brd: module loaded
> [    0.563599] loop: module loaded
> [    0.565315]  vda: vda1
> [    0.568386] scsi0 : ata_piix
> [    0.569217] scsi1 : ata_piix
> [    0.569972] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc0a0 irq 14
> [    0.571289] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc0a8 irq 15
> …
> [    0.742082] Freeing unused kernel memory: 1040K (ffff8800016fc000 - 
> ffff880001800000)
> [    0.746153] Freeing unused kernel memory: 836K (ffff880001b2f000 - 
> ffff880001c00000)
> Loading, please wait...
> [    0.764177] systemd-udevd[95]: starting version 204
> [    0.787913] floppy: module verification failed: signature and/or required 
> key missing - tainting kernel
> [    0.825174] FDC 0 is a S82078B
> …
> [    1.448178] tsc: Refined TSC clocksource calibration: 2294.376 MHz
> error: unexpectedly disconnected from boot status daemon
> Begin: Loading essential drivers ... done.
> Begin: Running /scripts/init-premount ... done.
> Begin: Mounting root file system ... Begin: Running /scripts/local-top ... 
> done.
> Begin: Running /scripts/local-premount ... done.
> [    2.384452] EXT4-fs (vda1): mounted filesystem with ordered data mode. 
> Opts: (null)
> Begin: Running /scripts/local-bottom ... done.
> done.
> Begin: Running /scripts/init-bottom ... done.
> [    3.021268] init: mountall main process (193) killed by FPE signal
> General error mounting filesystems.
> A maintenance shell will now be started.
> CONTROL-D will terminate this shell and reboot the system.
> root@box-web1:~# 
> The console is stuck, I can't get to the rescue shell
>  
> I can "rbd map" the volume and mount it from a physical host - the filesystem 
> etc all is in good order.
>  
> Any ideas?
>  
> cheers
> jc
>  
> -- 
> SWITCH
> Jens-Christian Fischer, Peta Solutions
> Werdstrasse 2, P.O. Box, 8021 Zurich, Switzerland
> phone +41 44 268 15 15, direct +41 44 268 15 71
> jens-christian.fisc...@switch.ch
> http://www.switch.ch
> 
> http://www.switch.ch/socialmedia
>  
> 
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