Hi,
On 8/24/22 15:16, loreth.andr...@mh-hannover.de wrote:
Dear Madam and Sir,
We have an HPC based on Centos 7 and a Ceph Storage Cluster in version 15.2.16
octopus (stable).
The Ceph Storage Cluster provides us with CephFS.
We had mounted CephFS using the Kernel Driver with the noacl attribute, but
then realised that we needed ACL for rootless Docker.
By just removing the noacl attribute, CephFS was mounted with ACL and rootless
Docker works as expected.
On the cluster, this operation is not handled manually but instead by AutoFS.
Our service provider has added the corresponding entry for AutoFS (noacl
removed) but also added the following entries to ceph.conf.
[client]
fuse_default_permission=0
client_acl_type=posix_acl
I was able to mount CephFS with ACL without changing the ceph.conf and when
adding noacl to the mount call again, CephFS is mounted without ACL despite the
entries in ceph.conf.
So what exactly is the function of these entries?
And one more follow-up question: When and by whom is ceph.conf read in on a
client and can the re-reading be triggered manually on the client?
I would be pleased to receive information that clarifies these questions.
AFAIK the above settings are used by the fuse client. The kernel client
does not use ceph.conf at all and requires all information to be passed
as command line parameters to mount or as part of the fstab / autofs entry.
Regards,
Burkhard Linke
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