[Bugs] [Bug 1215122] New: Data Tiering: attaching a tier with non supported replica count crashes glusterd on local host

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1215122

            Bug ID: 1215122
           Summary: Data Tiering: attaching a tier with non supported
                    replica count crashes glusterd on local host
           Product: GlusterFS
           Version: mainline
         Component: tiering
          Assignee: bugs at gluster.org
          Reporter: nchilaka at redhat.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org



Description of problem:
======================
I tried to attach a tier with replica count as 10 with one brick and this
caused the glusterd to crash 

gluster v info
Connection failed. Please check if gluster daemon is operational.

[2015-04-24 10:42:12.496850] I
[glusterd-brick-ops.c:1104:glusterd_op_perform_add_bricks] 0-management:
replica-count is set 10
[2015-04-24 10:42:12.496869] I
[glusterd-brick-ops.c:1108:glusterd_op_perform_add_bricks] 0-management: type
is set 5, need to change it
The message "I [MSGID: 106006]
[glusterd-svc-mgmt.c:327:glusterd_svc_common_rpc_notify] 0-management: quotad
has disconnected from glusterd." repeated 34 times between [2015-04-24
10:40:28.174251] and [2015-04-24 10:42:10.199015]
The message "I [MSGID: 106006]
[glusterd-snapd-svc.c:379:glusterd_snapdsvc_rpc_notify] 0-management: snapd has
disconnected from glusterd." repeated 139 times between [2015-04-24
10:40:28.174200] and [2015-04-24 10:42:11.199308]
pending frames:
frame : type(0) op(0)
patchset: git://git.gluster.com/glusterfs.git
signal received: 11
time of crash: 
2015-04-24 10:42:12
configuration details:
argp 1
backtrace 1
dlfcn 1
libpthread 1
llistxattr 1
setfsid 1
spinlock 1
epoll.h 1
xattr.h 1
st_atim.tv_nsec 1
package-string: glusterfs 3.7dev
/lib64/libglusterfs.so.0(_gf_msg_backtrace_nomem+0xb2)[0x7f522509ffa2]
/lib64/libglusterfs.so.0(gf_print_trace+0x32d)[0x7f52250b80cd]
/lib64/libc.so.6(+0x35650)[0x7f5223a94650]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(+0x9468c)[0x7f5219ed468c]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(+0x99d35)[0x7f5219ed9d35]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(+0x9a00b)[0x7f5219eda00b]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(+0x93c12)[0x7f5219ed3c12]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(+0x941f4)[0x7f5219ed41f4]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(generate_client_volfiles+0x12a)[0x7f5219edbb4a]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(glusterd_create_volfiles+0x29)[0x7f5219edc8c9]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(glusterd_create_volfiles_and_notify_services+0x1b)[0x7f5219edc97b]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(glusterd_op_perform_add_bricks+0x63f)[0x7f5219f06cef]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(glusterd_op_add_brick+0x1cf)[0x7f5219f089df]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(glusterd_op_commit_perform+0x6b3)[0x7f5219e98813]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(gd_commit_op_phase+0xb6)[0x7f5219f0e416]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(gd_sync_task_begin+0x749)[0x7f5219f0f719]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(glusterd_op_begin_synctask+0x2c)[0x7f5219f0f78c]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(__glusterd_handle_add_brick+0x4e5)[0x7f5219f057b5]
/usr/lib64/glusterfs/3.7dev/xlator/mgmt/glusterd.so(glusterd_big_locked_handler+0x30)[0x7f5219e861f0]
/lib64/libglusterfs.so.0(synctask_wrap+0x12)[0x7f52250da182]
/lib64/libc.so.6(+0x470f0)[0x7f5223aa60f0]
---------


Version-Release number of selected component (if applicable):
============================================================
glusterfs 3.7dev built on Apr 17 2015 14:27:16
Repository revision: git://git.gluster.com/glusterfs.git
Copyright (c) 2006-2011 Gluster Inc. <http://www.gluster.com>
GlusterFS comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of GlusterFS under the terms of the GNU General
Public License.

glusterfs-api-3.7dev-0.1009.git8b987be.el7.centos.x86_64
glusterfs-cli-3.7dev-0.1009.git8b987be.el7.centos.x86_64
glusterfs-3.7dev-0.1009.git8b987be.el7.centos.x86_64
glusterfs-server-3.7dev-0.1009.git8b987be.el7.centos.x86_64
glusterfs-fuse-3.7dev-0.1009.git8b987be.el7.centos.x86_64
glusterfs-libs-3.7dev-0.1009.git8b987be.el7.centos.x86_64



Steps to Reproduce:
==================
1.have a multinode gluster
2.create a dist-rep volume
3.attach a tier with replica as 10 and one brick 


Actual results:
=================
glusterd crashes

Expected results:
===============
proper error msg should be thrown, if replica or bricks count are not correct

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