Re: group write permissions not being respected

Pranith Kumar Karampuri <pkarampu@xxxxxxxxxx> · Thu, 1 Sep 2016 03:46:11 +0530

hi Pat,
      Are you seeing this issue only after migration or even before? May be we should look at the gid numbers on the disk and the ones that are coming from client for the given user to see if they match or not?

Could you give stat output of the directory in question from both the brick and the nfs client

Could you also let us know version of gluster you are using.

On Thu, Sep 1, 2016 at 2:46 AM, Pat Haley <phaley@xxxxxxx> wrote:

    Hi,
    Another piece of data.  There are 2 distinct volumes on the file
      server

      a straight nfs partition
      a gluster volume (served over nfs)

    The straight nfs partition does respect the group write permissions,
    while the gluster volume does not.  Any suggestions on how to debug
    this or what additional information would be helpful would be
    greatly appreciated

    Thanks

    On 08/30/2016 06:01 PM, Pat Haley
      wrote:

      Hi

      We have just migrated our data to a new file server (more space,
      old server was showing its age). We have a volume for
      collaborative use, based on group membership.  In our new server,
      the group write permissions are not being respected (e.g.  the
      owner of a directory can still write to that directory but any
      other member of the associated group cannot, even though the
      directory clearly has group write permissions set).  This is
      occurring regardless of how many groups the user is a member of
      (i.e. users that are members of fewer then 16 groups are still
      affected).

      the relevant fstab line from the server looks like

      localhost:/data-volume /gdata    glusterfs       defaults 0 0

      and for a client:

      mseas-data2:/gdata       /gdata      nfs     defaults        0 0

      Any help would be greatly appreciated.

      Thanks

    -- 

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Pat Haley                          Email:  phaley@xxxxxxx
Center for Ocean Engineering       Phone:  (617) 253-6824
Dept. of Mechanical Engineering    Fax:    (617) 253-8125
MIT, Room 5-213                    http://web.mit.edu/phaley/www/
77 Massachusetts Avenue
Cambridge, MA  02139-4301

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-- 
Pranith

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