Create a server for the data and docker images

neurolibre / neurolibre-binderhub

developer resources for neurolibre.conp.ca

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Create a server for the data and docker images #18

Closed ltetrel closed 5 years ago

ltetrel commented 5 years ago

It is not possible to have one volume attach to more than one instance. In consequence, we have to deal with many different volumes for each instance, which can be really huge. The idea would be to create just one server the would manage the data, and create a share folder to all the instances.

ltetrel commented 5 years ago

https://stackoverflow.com/questions/841240/can-you-attach-amazon-ebs-to-multiple-instances

ltetrel commented 5 years ago

nfs - file server https://help.ubuntu.com/community/SettingUpNFSHowTo maybe compute canada has a more simple way to create a shared volume

ltetrel commented 5 years ago

reply from CC There is no magical fileshare service deployed currently (something like AWS EFS, but we might add in OpenStack Manilla backed by cephfs in the near future) so you will have to do your own NFS or similar shares using one instance.

ltetrel commented 5 years ago

on the host-server : create a folder that will be shared sudo mkdir /shared modify /etc/exports by adding /shared IP.0/24(rw,sync,no_root_squash,no_all_squash) enable nfs server daemon sudo systemctl enable nfs-kernel-server then restart the nfs server daemon sudo systemctl restart nfs-server
on the client nodes: modify /etc/fstab by adding HOSTIP:/shared /shared nfs rw,noatime,nolock,hard,tcp 0 0 remount all filesystem sudo mount -a