This all makes sense to me. I would suggest a blueprint and a pull request as soon as Juno opens.
Vish On Mar 25, 2014, at 8:07 AM, Shlomi Sasson <shlo...@mellanox.com> wrote: > Hi, > > I want to share with the community the following challenge: > Currently, Vendors who have their iSCSI driver, and want to add RDMA > transport (iSER), cannot leverage their existing plug-in which inherit from > iSCSI > And must modify their driver or create an additional plug-in driver which > inherit from iSER, and copy the exact same code. > > Instead I believe a simpler approach is to add a new attribute to ISCSIDriver > to support other iSCSI transports besides TCP, which will allow minimal > changes to support iSER. > The existing ISERDriver code will be removed, this will eliminate significant > code and class duplication, and will work with all the iSCSI vendors who > supports both TCP and RDMA without the need to modify their plug-in drivers. > > To achieve that both cinder & nova requires slight changes: > For cinder, I wish to add a parameter called “transport” (default to iscsi) > to distinguish between the transports and use the existing “iscsi_ip_address” > parameter for any transport type connection. > For nova, I wish to add a parameter called “default_rdma” (default to false) > to enable initiator side. > The outcome will avoid code duplication and the need to add more classes. > > I am not sure what will be the right approach to handle this, I already have > the code, should I open a bug or blueprint to track this issue? > > Best Regards, > Shlomi > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
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