[Bugs] [Bug 1697907] New: ctime feature breaks old client to connect to new server

bugzilla at redhat.com bugzilla at redhat.com
Tue Apr 9 09:42:08 UTC 2019


            Bug ID: 1697907
           Summary: ctime feature breaks old client to connect to new
           Product: GlusterFS
           Version: mainline
            Status: NEW
         Component: glusterd
          Assignee: bugs at gluster.org
          Reporter: amukherj at redhat.com
                CC: bugs at gluster.org
  Target Milestone: ---
    Classification: Community

Description of problem:

Considering ctime is a client side feature, we can't blindly load ctime xlator
into the client graph if it's explicitly turned off, that'd result into
backward compatibility issue where an old client can't mount a volume
configured on a server which is having ctime feature.

Since ctime feature is enabled by default, any old client would still fail to
connect to a new server until and unless this feature is turned off explicitly.
Any client side feature when marked as enabled by default means there's a need
to either turn of the feature if old client is to be made work with new servers
or client needs to be upgraded to the latest version of server.

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

Server >= release-6, client <= release-5

How reproducible:

Steps to Reproduce:
1. Create a volume on glusterfs-5 or higher
2. Mount the volume from a client which is running any version lower than
3. Mount doesn't go through

Actual results:
Mount fails

Expected results:
Mount shouldn't fail

Additional info:

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