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Multiattach support for Stein RBD driver

asked 2019-07-04 03:38:31 -0600

Tang Wei gravatar image

Hi,

In OpenStack Stein release notes https://docs.openstack.org/releasenotes/cinder/stein.html (https://docs.openstack.org/releasenot...), there is statement: RBD driver has added multiattach support. It should be noted that replication and multiattach are mutually exclusive, so a single RBD volume can only be configured to support one of these features at a time. Additionally, RBD image features are not preserved which prevents a volume being retyped from multiattach to another type. This limitation is temporary and will be addressed soon.

But in Cinder Driver Matrix https://docs.openstack.org/cinder/latest/reference/support-matrix.html#driver-support-matrix (https://docs.openstack.org/cinder/lat...), RBD(Ceph) is still marked as multi attach not supported.

Which one is right? Does RBD driver support multiattach now?

Thanks.

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answered 2019-07-04 09:16:49 -0600

I had the same question and got a positive answer from the mailing list: http://lists.openstack.org/pipermail/....

Details have not yet been documented, it seems.

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Asked: 2019-07-04 03:38:31 -0600

Seen: 113 times

Last updated: Jul 04