Multi host shared docker images / volumes

RancherOS
1

I plan a multi host environment. Shared docker volumes should be easy with convoy nfs.

Is it possible to store docker images to nfs shared mount between RancherOS hosts?
Maybe also a nfs storage for local volumes to reduce the local disk storage.

2

I’m wondering the same thing also.

While this doesn’t answer your question, note that Convoy NFS has been deprecated in favor of Rancher NFS as of Rancher 1.2.0. See Rancher Release - v1.2.0

  • Cattle now support volume plugins for NFS. Please be aware that going forward in 1.2, RancherNFS will now be the supported NFS Docker plugin solution. Convoy-NFS will no longer be available as an option in 1.2, and will no longer be supported in 1.3+
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The last time I looked, the Docker engine didn’t really like using non-local storage for images and containers - the fact that it uses unionfs technologies to make its layer cake means local disk is important.

but this could be out of date :slight_smile:

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@Stefan_Lasiewski, @SvenDowideit
Thanks for your replies! I’ll do some tests with Rancher 1.2 / RancherNFS soon.

I’ll work with local images and NFS volumes.