Hi Fulvio,
On 03/24/2017 07:19 PM, Fulvio Galeazzi
wrote:
Hallo,
apologies for my (silly) questions, I did try to find some doc on
rbd-mirror but was unable to, apart from a number of pages
explaining how to install it.
My environment is CenOS7 and Ceph 10.2.5.
Can anyone help me understand a few minor things:
- is there a cleaner way to configure the user which will be used
for
rbd-mirror, other than editing the ExecStart in file
/usr/lib/systemd/system/ceph-rbd-mirror@.service ?
For example some line in ceph.conf... looks like the username
defaults to the cluster name, am I right?
It should just be "ceph", no matter what the cluster name is, if I
read the code correctly.
- is it possible to throttle mirroring? Sure, it's a crazy thing
to do
for "cinder" pools, but may make sense for slowly changing
ones, like
a "glance" pool.
The rbd core team is working on this. Jason, right?
- is it possible to set per-pool default features? I read about
"rbd default features = ###"
but this is a global setting. (Ok, I can still restrict pools
to be
mirrored with "ceph auth" for the user doing mirroring)
"per-pool default features" sounds like a reasonable feature
request.
About the "ceph auth" for mirroring, I am working on a rbd acl
design,
will consider pool-level, namespace-level and image-level. Then I
think
we can do a permission check on this.
Thanx
Yang
Thanks!
Fulvio
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