[Bugs] [Bug 1208564] New: ls operation hangs after the first brick is killed for distributed-disperse volume

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1208564

            Bug ID: 1208564
           Summary: ls operation hangs after the first brick is killed for
                    distributed-disperse volume
           Product: GlusterFS
           Version: 3.6.2
         Component: disperse
          Assignee: bugs at gluster.org
          Reporter: fanghuang.data at yahoo.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Description of problem:

At client ls operation hangs after the first brick is killed for
distributed-disperse volume

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

glusterfs 3.6.3beta1 built on Apr  1 2015 20:11:53
Repository revision: git://git.gluster.com/glusterfs.git

How reproducible:

Always

Steps to Reproduce:
1. Create a distributed-disperse volume

Volume Name: dht-ec-vol
Type: Distributed-Disperse
Volume ID: 5697b709-4187-47ce-970b-b8c19d610055
Status: Started
Number of Bricks: 2 x (3 + 1) = 8
Transport-type: tcp
Bricks:
Brick1: cn4:/home/wtb/brick/bri1
Brick2: cn4:/home/wtb/brick/bri2
Brick3: cn4:/home/wtb/brick/bri3
Brick4: cn4:/home/wtb/brick/bri4
Brick5: cn4:/home/wtb/brick/bri5
Brick6: cn4:/home/wtb/brick/bri6
Brick7: cn4:/home/wtb/brick/bri7
Brick8: cn4:/home/wtb/brick/bri8

2. mount and create some files

mkdir  -p /mnt/wtb/dht-ec-client
mount -t glusterfs cn4:/dht-ec-vol /mnt/wtb/dht-ec-client

touch /mnt/wtb/dht-ec-client/file{0..99}

3. kill the first brick

execute 'gluster v status dht-ec-vol' and find the pid of Brick1
kill this process

4. ls /mnt/wtb/dht-ec-client 

Actual results:

ls hangs on and shows nothing

Expected results:

file{0..99} should be displayed.

Additional info:

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