[Bugs] [Bug 1209388] New: qemu-img throws error while creating image using native driver for gluster

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1209388

            Bug ID: 1209388
           Summary: qemu-img throws error while creating image using
                    native driver for gluster
           Product: GlusterFS
           Version: mainline
         Component: libgfapi
          Severity: high
          Assignee: bugs at gluster.org
          Reporter: sasundar at redhat.com
        QA Contact: sasundar at redhat.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Description of problem:
-----------------------
While creating a VM Image using qemu-img, using qemu's native driver for
gluster,
there are errors thrown.

Version-Release number of selected component (if applicable):
--------------------------------------------------------------
glusterfs-3.7dev-0.910.git17827de.el6.x86_64 ( Gluster 3.7 nightly build )
qemu-kvm-rhev-0.12.1.2-2.446.el6.x86_64 ( RHEL 6.6 )

How reproducible:
-----------------
Always

Steps to Reproduce:
--------------------
1. Create a raw image using qemu-img command

(i.e) qemu-img create -f raw gluster://<gluster-server-ip>/<vol-name>/<image>
10G

Actual results:
----------------
Errors thrown, but image created successfully on the backend bricks

Expected results:
-----------------
There shouldn't be any errors

Additional info:
----------------
[root at rhs-client10 ~]# qemu-img create
gluster://root@10.70.37.113/vstore/vm2.img 26G
Formatting 'gluster://root@10.70.37.113/vstore/vm2.img', fmt=raw
size=27917287424 
[2015-04-07 08:39:31.522751] E [glfs.c:1011:pub_glfs_fini] 0-glfs:
call_pool_cnt - 0,pin_refcnt - 0
[2015-04-07 08:39:31.522965] E [MSGID: 108006] [afr-common.c:3789:afr_notify]
0-vstore-replicate-0: All subvolumes are down. Going offline until atleast one
of them comes back up.
[2015-04-07 08:39:31.524021] E [rpc-transport.c:512:rpc_transport_unref] (-->
/usr/lib64/libglusterfs.so.0(_gf_log_callingfn+0x1e0)[0x7fc69b22b5e0] (-->
/usr/lib64/libgfrpc.so.0(rpc_transport_unref+0xc0)[0x7fc69c079dd0] (-->
/usr/lib64/libgfrpc.so.0(rpc_clnt_unref+0x66)[0x7fc69c07b8b6] (-->
/usr/lib64/libglusterfs.so.0(+0x3aac220101)[0x7fc69b229101] (-->
/usr/lib64/libglusterfs.so.0(+0x3aac220095)[0x7fc69b229095] )))))
0-rpc_transport: invalid argument: this
[2015-04-07 08:39:31.524184] E [rpc-transport.c:512:rpc_transport_unref] (-->
/usr/lib64/libglusterfs.so.0(_gf_log_callingfn+0x1e0)[0x7fc69b22b5e0] (-->
/usr/lib64/libgfrpc.so.0(rpc_transport_unref+0xc0)[0x7fc69c079dd0] (-->
/usr/lib64/libgfrpc.so.0(rpc_clnt_unref+0x66)[0x7fc69c07b8b6] (-->
/usr/lib64/libglusterfs.so.0(+0x3aac220101)[0x7fc69b229101] (-->
/usr/lib64/libglusterfs.so.0(+0x3aac220095)[0x7fc69b229095] )))))
0-rpc_transport: invalid argument: this
[2015-04-07 08:39:31.524330] E [rpc-transport.c:512:rpc_transport_unref] (-->
/usr/lib64/libglusterfs.so.0(_gf_log_callingfn+0x1e0)[0x7fc69b22b5e0] (-->
/usr/lib64/libgfrpc.so.0(rpc_transport_unref+0xc0)[0x7fc69c079dd0] (-->
/usr/lib64/libgfrpc.so.0(rpc_clnt_unref+0x66)[0x7fc69c07b8b6] (-->
/usr/lib64/libglusterfs.so.0(+0x3aac220101)[0x7fc69b229101] (-->
/usr/lib64/libglusterfs.so.0(+0x3aac220095)[0x7fc69b229095] )))))
0-rpc_transport: invalid argument: this

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