Please try this http://blog.emccode.com/2015/08/28/run-your-stateful-apps-with-mesos-and-docker/
Sent from my iPhone. Please excuse the typos and brevity of this message. > On Jan 12, 2016, at 3:45 AM, Pradeep Chhetri <[email protected]> > wrote: > > Hello, > > Thank you for developing this awesome module. I am trying it out to see if i > can use it with frameworks which needs data persistence. I wanted to know > whether it works for mesos tasks started as docker container as well. I am > unable to create/attach disk to marathon apps started with docker > containerizer. > > > >> On Fri, Nov 20, 2015 at 8:02 PM, Wong, Steven <[email protected]> wrote: >> Storage providers fall into two categories, those that explicitly have >> architected API support for pre-emptive mount and those that require custom >> coding and orchestration. >> >> >> >> >> >> >> >> I anticipate that OpenStack cinder will be supported for pre-emptive mount. >> >> >> >> Another consideration: if the scenario is not Mesos agent shutdown or crash, >> but instead a network partitioning event. Wihere the agent cluster node >> continues t run, but is seen as equivalent to a crash by the Mesos Master, >> the OpenStack cinder volume will be abruptly “torn away” from the original >> mounter. Should this occur midstream during a write, there is the >> possibility that it would result in some form of data corruption. >> >> >> >> I expect that OpenStack cinder pre-emptive mount will be delivered in the >> next major release of the rexray driver along with Amazon EBS pre-emptive >> mounts and others TBD. >> >> >> >> I will update the issue on github with the list of expected storage >> providers as I get closer to delivery. >> >> >> >> Steve Wong >> Contributor to the Mesos dvdi module project >> Developer Advocate >> EMC{code} - the open source advocacy group within EMC >> >> CODE OPEN, DEPLOY EVERYWHERE >> https://github.com/emccode >> blog.emccode.com >> >> 1.562.417.7048 >> [email protected] >> @cantbewong >> >> >> >> >> >> From: Marica Antonacci [mailto:[email protected]] >> Sent: Friday, November 20, 2015 12:44 AM >> To: Wong, Steven >> Subject: Re: external storage with dvdi module >> >> >> >> Dear Steven, >> >> >> >> thank you very much for your detailed reply; I think that pre-emptive mount >> capability will be certainly a valuable addition. >> >> >> >> As far as I understand, this feature will depend mainly on the underlying >> storage layer and will work only if a related capability is exposed by the >> storage component itself. For example, concerning Openstack Cinder the >> pre-emptive mount is not currently supported and there is a blueprint >> (approved but not implemented yet) for enabling the multiple attachments of >> a single volume. The roadmap for such addition in cinder is not clear to me >> yet…what will be the behavior of the dvdi module (and the openstack storage >> driver) in the meanwhile? >> >> >> >> … >> > > > > -- > Pradeep Chhetri > > In the world of Linux, who needs Windows and Gates...
