[Bugs] [Bug 1425389] New: GlusterFS and daily reboot and Java Hibernate Search produce problems

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1425389

            Bug ID: 1425389
           Summary: GlusterFS and daily reboot and Java Hibernate Search
                    produce problems
           Product: GlusterFS
           Version: 3.7.20
         Component: fuse
          Severity: medium
          Assignee: bugs at gluster.org
          Reporter: Peter_Dyballa at Freenet.DE
                CC: bugs at gluster.org



Description of problem:

We have two servers that share data via GlusterFS. Since they reside in
integration and are located in the Amazon cloud (AWS/EC2) they are stopped in
the evening and started next morning. This situation seems to produce errors.
The main application that uses the shared data is Java based (1.8.0_112) and
uses Tomcat (8.5.11). The Java applications won't launch when Hibernate Search
is not working. It also shares data (index files) in the cluster, and
particularly here, in /next-shared which is accessed via a stable and reliable
sym-link because of so many changes in layout, is the source of all trouble.
The file systems are:

Filesystem                                              Type            Size 
Used Avail Use% Mounted on
/dev/mapper/vg00-gluster                                ext4            2.0G 
285M  1.6G  16% /gluster
/dev/mapper/vg00-srv                                    ext4            4.8G 
2.4G  2.2G  53% /srv
/var/lib/glusterd/vols/next-shared/next-shared-fuse.vol fuse.glusterfs  2.0G 
285M  1.6G  16% /next-shared


Version-Release number of selected component (if applicable): 3.7.20 in
integration
(3.5.9 in production without steady reboots)

How reproducible: stop/start server daily, presumingly

Steps to Reproduce:
1.
2.
3.

Actual results: Index files faulty that Java Hibernate Search won't launch so
that Tomcat using Java applications won't work

Expected results: Working as in production (three servers in GlusterFS cluster
running all the time, except for occasional reboots after OS updates)

Additional info: Ubuntu 14.04.5 LTS, not really used (beginner) to GlusterFS

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