Re: iSCSI over RDB is a good idea ?

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At this time, it appears that oVirt is pursuing a strategy of Ceph/RBD integration by proxy of OpenStack.  There is a feature scheduled for oVirt 4 to integrate with Cinder, specifically calling-out the RBD use-case [1].

On the iSCSI front, RBD should be functional with STGT and LIO in active/passive mode.  There is active development to add support for RBD+LIO active/active [2].  The disadvantage of the iSCSI design is that it adds an extra hop between your VMs and the backing Ceph cluster.

[1] http://www.ovirt.org/Features/Cinder_Integration
[2] http://tracker.ceph.com/projects/ceph/wiki/Clustered_SCSI_target_using_RBD

-- 

Jason Dillaman 


----- Original Message -----
> From: "Gaetan SLONGO" <gslongo@xxxxxxxxxxxxx>
> To: ceph-users@xxxxxxxxxxxxxx
> Sent: Tuesday, November 3, 2015 10:00:59 AM
> Subject:  iSCSI over RDB is a good idea ?
> 
> Dear Ceph users,
> 
> We are currently working on design of virtualization infrastructure using
> oVirt and we would like to use Ceph.
> 
> The problem is, at this time there is no native integration of Ceph in oVirt.
> One possibility is to export RBD devices over iSCSI (maybe you have better
> one?).
> 
> I've saw this post http://ceph.com/dev-notes/adding-support-for-rbd-to-stgt/
> but this seems to be deprecated on rhel7... Someone already did this on
> rhel/centos 7 with targetd (or other) ? There is performance issues ?
> 
> Thank you for advance !
> 
> Best regards,
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> 
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