@@ -82,7 +82,7 @@ Mount Syntax
The basic mount syntax is::
- # mount -t ceph monip[:port][,monip2[:port]...]:/[subdir] mnt
+ # mount -t ceph user@fsid.fs_name=/[subdir] mnt -o mon_addr=monip1[:port][/monip2[:port]]
You only need to specify a single monitor, as the client will get the
full list when it connects. (However, if the monitor you specify
@@ -90,16 +90,35 @@ happens to be down, the mount won't succeed.) The port can be left
off if the monitor is using the default. So if the monitor is at
1.2.3.4::
- # mount -t ceph 1.2.3.4:/ /mnt/ceph
+ # mount -t ceph cephuser@07fe3187-00d9-42a3-814b-72a4d5e7d5be.cephfs=/ /mnt/ceph -o mon_addr=1.2.3.4
is sufficient. If /sbin/mount.ceph is installed, a hostname can be
-used instead of an IP address.
+used instead of an IP address and the cluster FSID can be left out
+(as the mount helper will fill it in by reading the ceph configuration
+file)::
+ # mount -t ceph cephuser@cephfs=/ /mnt/ceph -o mon_addr=mon-addr
+Multiple monitor addresses can be passed by separating each address with a slash (`/`)::
+
+ # mount -t ceph cephuser@cephfs=/ /mnt/ceph -o mon_addr=192.168.1.100/192.168.1.101
+
+When using the mount helper, monitor address can be read from ceph
+configuration file if available. Note that, the cluster FSID (passed as part
+of the device string) is validated by checking it with the FSID reported by
+the monitor.
Mount Options
=============
+ mon_addr=ip_address[:port][/ip_address[:port]]
+ Monitor address to the cluster. This is used to bootstrap the
+ connection to the cluster. Once connection is established, the
+ monitor addresses in the monitor map are followed.
+
+ fsid=cluster-id
+ FSID of the cluster (from `ceph fsid` command).
+
ip=A.B.C.D[:N]
Specify the IP and/or port the client should bind to locally.
There is normally not much reason to do this. If the IP is not
Signed-off-by: Venky Shankar <vshankar@redhat.com> --- Documentation/filesystems/ceph.rst | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-)