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[Bug 1843941] Re: RBD Namespaces are not supported
From: |
Thomas Huth |
Subject: |
[Bug 1843941] Re: RBD Namespaces are not supported |
Date: |
Thu, 22 Apr 2021 07:34:50 -0000 |
Patch had been included here:
https://gitlab.com/qemu-project/qemu/-/commit/19ae9ae01471552
** Changed in: qemu
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1843941
Title:
RBD Namespaces are not supported
Status in QEMU:
Fix Released
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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