[Gluster-devel] QEMU (and other libgfapi client?) crashes on add-brick / replace-brick

[Guido De Rosa]

Well, there's another problem, possibly related, that I didn't notice: I'm
unable to mount!

(Although libgfapi is meant to bypass fuse-mount, I've read that you need
FUSE working in the same machine where you issue a replace-brick command
[1])

$ git clone ssh://guidoderosa@git.gluster.org/glusterfs

(master branch @ a960f92)

$ ./autogen.sh

$ ./configure --enable-debug && make && sudo make install

# /etc/init.d/glusterd start

# gluster volume create gv transport tcp 192.168.232.179:
/var/export/gluster/gv
volume create: gv: success: please start the volume to access data

# gluster volume start gv
volume start: gv: success

And here the problem:

# mount -t glusterfs localhost:/gv /mnt/gv
Mount failed. Please check the log file for more details.

The same issue holds if I apply the patches you suggested, then clean
sources, rebuild & reinstall. (If there's some relation..,)

$ git pull ssh://guidoderosa@git.gluster.org/glusterfsrefs/changes/07/5407/2

etc.

Here are the relevant logs:

/usr/local/var/log/glusterfs/bricks/var-export-gluster-gv.log:

Final graph:
+------------------------------------------------------------------------------+
  1: volume gv-posix
  2:     type storage/posix
  3:     option glusterd-uuid 42ff1e51-7c77-4c70-9e1b-3e6207935bee
  4:     option directory /var/export/gluster/gv
  5:     option volume-id a562cb7c-0edf-4efa-afc6-80ea4e3fe978
  6: end-volume
  7:
  8: volume gv-changelog
  9:     type features/changelog
 10:     option changelog-brick /var/export/gluster/gv
 11:     option changelog-dir /var/export/gluster/gv/.glusterfs/changelogs
 12:     subvolumes gv-posix
 13: end-volume
 14:
 15: volume gv-access-control
 16:     type features/access-control
 17:     subvolumes gv-changelog
 18: end-volume
 19:
 20: volume gv-locks
 21:     type features/locks
 22:     subvolumes gv-access-control
 23: end-volume
 24:
 25: volume gv-io-threads
 26:     type performance/io-threads
 27:     subvolumes gv-locks
 28: end-volume
 29:
 30: volume gv-index
 31:     type features/index
 32:     option index-base /var/export/gluster/gv/.glusterfs/indices
 33:     subvolumes gv-io-threads
 34: end-volume
 35:
 36: volume gv-marker
 37:     type features/marker
 38:     option volume-uuid a562cb7c-0edf-4efa-afc6-80ea4e3fe978
 39:     option timestamp-file /var/lib/glusterd/vols/gv/marker.tstamp
 40:     option xtime off
 41:     option quota off
 42:     subvolumes gv-index
 43: end-volume
 44:
 45: volume /var/export/gluster/gv
 46:     type debug/io-stats
 47:     option latency-measurement off
 48:     option count-fop-hits off
 49:     subvolumes gv-marker
 50: end-volume
 51:
 52: volume gv-server
 53:     type protocol/server
 54:     option transport.socket.listen-port 49152
 55:     option rpc-auth.auth-glusterfs on
 56:     option rpc-auth.auth-unix on
 57:     option rpc-auth.auth-null on
 58:     option transport-type tcp
 59:     option auth.login./var/export/gluster/gv.allow
ae4ffb2b-75fb-4b5a-b9d3-6c9e390fee03
 60:     option auth.login.ae4ffb2b-75fb-4b5a-b9d3-6c9e390fee03.password
041ee2e7-e8cf-4ecd-bba6-655348721610
 61:     option auth.addr./var/export/gluster/gv.allow *
 62:     subvolumes /var/export/gluster/gv
 63: end-volume
 64:

/usr/local/var/log/glusterfs/usr-local-etc-glusterfs-glusterd.vol.log:

Final graph:
+------------------------------------------------------------------------------+
  1: volume management
  2:     type mgmt/glusterd
  3:     option rpc-auth.auth-glusterfs on
  4:     option rpc-auth.auth-unix on
  5:     option rpc-auth.auth-null on
  6:     option transport.socket.listen-backlog 128
  7:     option transport.socket.read-fail-log off
  8:     option transport.socket.keepalive-interval 2
  9:     option transport.socket.keepalive-time 10
 10:     option transport-type rdma
 11:     option working-directory /var/lib/glusterd
 12: end-volume
 13:
+------------------------------------------------------------------------------+

Thanks,

Guido

---
[1] This is for older versions and I'm not sure the same holds for 3.4
http://www.gluster.org/wp-content/uploads/2012/05/Gluster_File_System-3.3.0-Administration_Guide-en-US.pdf
Sec
7.4
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