[Bugs] [Bug 1225546] New: Pass slave volume in geo-rep as read-only

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1225546

            Bug ID: 1225546
           Summary: Pass slave volume in geo-rep as read-only
           Product: GlusterFS
           Version: 3.5.2
         Component: geo-replication
          Severity: high
          Assignee: bugs at gluster.org
          Reporter: cyril at peponnet.fr
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Description of problem:

By default the slave volume can be mounted as RW and people can change file.
This will lead to gfid mismatch and geo-rep fails for those files.

Version-Release number of selected component (if applicable):

Any

How reproducible:

Always

Steps to Reproduce:
1. create a geo-repo
2. change file in slave
3. change file in master, they are no longer propagated

Actual results:

Several:

In case of modification, they are not propagated to the slave
In case of deletion, the file is kept on slave
In case of rename, the file on slave is also renamed with content from slave
file.

Expected results:

No able to touch files from a slave vol when a geo-rep process is running /
created for that vol.

Additional info:

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