+1 Very excited to see this in and usable
Duncan Thomas On Jan 30, 2015 2:56 AM, "Philipp Marek" <[email protected]> wrote: > Hi all, > > > in Paris (and later on, on IRC and the mailing list) I began to ask > around > > about providing a DRBD storage driver for Nova. > > This is an alternative to using iSCSI for block storage access, and would > > be especially helpful for backends already using DRBD for replicated > > storage. > any news about this? > https://review.openstack.org/#/c/134153/ > > > To reiterate: > * Spec was submitted in time (Nov 13) > * Spec wasn't approved, because the Cinder implementation > (https://review.openstack.org/#/c/140451/) merge got delayed, > because its prerequisite (https://review.openstack.org/#/c/135139/, > Transition LVM Driver to use Target Objects) wasn't merged in time, > because on "deadline day" (Dec. 17) Gerrit was so much used that > this devstack run got timeouts against some python site during > setup > * "Spec Freeze Exception" was submitted in time > > http://lists.openstack.org/pipermail/openstack-dev/2015-January/054225.html > * Having DRBD for Cinder is good, but using the *same* protocol > to the Nova nodes should really help performance (and reliability); > for example, the transitions > Network -> Kernel -> iSCSI daemon -> Kernel -> Block Device > wouldn't be needed anymore; the Kernel could directly respond to the > queries, and in the near future even using RDMA (where available). > Reliability should be improved as the Nova node can access multiple > storage nodes _at the same time_, so it wouldn't matter if one of them > crashes for whatever reason. > > > Please help us *now* to get the change in. It's only a few lines in > a separate driver, so until it gets configured it won't even be > noticed! > > > And yes, of course we're planning to do CI for that Nova driver, too. > > > Regards, > > Phil > > -- > : Ing. Philipp Marek > : LINBIT | Your Way to High Availability > : DRBD/HA support and consulting http://www.linbit.com : > > DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: [email protected]?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >
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