[Bugs] [Bug 1372891] New: Ganesha crashes on multithreaded writes post volume restart

bugzilla at redhat.com bugzilla at redhat.com
Sat Sep 3 10:34:20 UTC 2016


            Bug ID: 1372891
           Summary: Ganesha crashes on multithreaded writes post volume
           Product: GlusterFS
           Version: 3.8.1
         Component: ganesha-nfs
          Severity: high
          Assignee: bugs at gluster.org
          Reporter: asoman at redhat.com
                CC: bugs at gluster.org

Description of problem:

Had a 4-node Ganesha cluster with 256 Worker Threads.
Restarted the volume in an attempt to fetch server profiles for each operation.
Ganesha crashed on 2/4 servers during multi-threaded writes using iozone.

Mount version : 4

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


How reproducible:


Steps to Reproduce:

1. Configure Ganesha to run with 256 worker threads.Restart Ganesha service.

2. Restart gluster volume

3. Run  Sequential Writes using iozone :

iozone -+m <config file> -+h <hostname> -C -w -c -e -i 0 -+n -r 64k -s 8g -t 16

Actual results:

Ganesha crashes immediately as soon as writes begin.

Expected results:

No crashes.

Additional info:

Vol Type : 2*2
Client and Server OS : RHEL 7.2

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