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[Bug 1843941] Re: RBD Namespaces are not supported
From: |
Jason Dillaman |
Subject: |
[Bug 1843941] Re: RBD Namespaces are not supported |
Date: |
Thu, 19 Dec 2019 14:07:58 -0000 |
Thanks for adding the support. I was actually already play-testing your
patch. I'll respond to the mailing list soon.
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https://bugs.launchpad.net/bugs/1843941
Title:
RBD Namespaces are not supported
Status in QEMU:
New
Bug description:
Ceph Nautilus (v14.2.0) introduced the Namespaces concept for RADOS
Block Devices. This provides a logical separation within a RADOS Pool
for RBD images which enables granular access control. See
https://docs.ceph.com/docs/nautilus/releases/nautilus/ for additional
details.
librados and librbd support this, however qemu does not. The rbd man
page defines how rbd images within a namespace can be referenced.
https://docs.ceph.com/docs/nautilus/man/8/rbd/#image-snap-group-and-
journal-specs
Adding support for RBD namespaces would be beneficial for security and
reducing the impact of a hypervisor being compromised and putting an
entire Ceph pool or cluster at risk.
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