vfs_ceph_snapshots - Expose CephFS snapshots as shadow-copies
Contents
Configuration
When used atop vfs_ceph, path refers to an absolute path within the Ceph filesystem and should not be
mounted locally:
[share]vfsobjects=ceph_snapshotscephpath=/non-mounted/cephfs/pathkernelsharemodes=no
vfs_ceph_snapshots can also be used atop a kernel CephFS mounted share path, without vfs_ceph. In this
case Samba's default VFS backend vfs_default is used:
[share]vfsobjects=ceph_snapshotspath=/mnt/cephfs/Description
This VFS module is part of the samba(8) suite.
The vfs_ceph_snapshots VFS module exposes CephFS snapshots for use by Samba. When enabled, SMB clients
such as Windows Explorer's Previous Versions dialog, can enumerate snapshots and access them via
"timewarp" tokens.
This module can be combined with vfs_ceph, but vfs_ceph_snapshots must be listed first in the vfs objects
parameter list.
CephFS support for ceph.snap.btime virtual extended attributes is required for this module to work
properly. This support was added via https://tracker.ceph.com/issues/38838.
Name
vfs_ceph_snapshots - Expose CephFS snapshots as shadow-copies
Options
ceph:snapdir = subdirectory
Allows for the configuration of the special CephFS snapshot subdirectory name. This parameter should
only be changed from the ".snap" default if the ceph.conf client snapdir or snapdirname mount option
settings are changed from their matching ".snap" defaults.
Default: ceph:snapdir=.snap
Example: ceph:snapdir=.snapshotsSynopsis
vfs objects = ceph_snapshots
Version
This man page is part of version 4.22.3-Ubuntu-4.22.3+dfsg-4ubuntu1 of the Samba suite.
