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authorHarshavardhana <harsha@harshavardhana.net>2013-07-24 13:16:08 -0700
committerAnand Avati <avati@redhat.com>2013-09-06 15:56:34 -0700
commitb610f1be7cd71b8f3e51c224c8b6fe0e7366c8cf (patch)
tree131c4eed6ab553961340013335bc17b634597031 /tests
parent94fdc3dd79fa052ba3eb8951fe5c4ddf9dd1c6e8 (diff)
glusterfsd: Round robin DNS should not be relied upon with
config service availability for clients. Backupvolfile server as it stands is slow and prone to errors with mount script and its combination with RRDNS. Instead in theory it should use all the available nodes in 'trusted pool' by default (Right now we don't have a mechanism in place for this) Nevertheless this patch provides a scenario where a list of volfile-server can be provided on command as shown below ----------------------------------------------------------------- $ glusterfs -s server1 .. -s serverN --volfile-id=<volname> \ <mount_point> ----------------------------------------------------------------- OR ----------------------------------------------------------------- $ mount -t glusterfs -obackup-volfile-servers=<server2>: \ <server3>:...:<serverN> <server1>:/<volname> <mount_point> ----------------------------------------------------------------- Here ':' is used as a separator for mount script parsing Now these will be remembered and recursively attempted for fetching vol-file until exhausted. This would ensure that the clients get 'volume' configs in a consistent manner avoiding the need to poll through RRDNS. Change-Id: If808bb8a52e6034c61574cdae3ac4e7e83513a40 BUG: 986429 Signed-off-by: Harshavardhana <harsha@harshavardhana.net> Reviewed-on: http://review.gluster.org/5400 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/bugs/bug-986429.t19
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/bugs/bug-986429.t b/tests/bugs/bug-986429.t
new file mode 100644
index 0000000..6e43f72
--- /dev/null
+++ b/tests/bugs/bug-986429.t
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+. $(dirname $0)/../include.rc
+. $(dirname $0)/../volume.rc
+
+## This tests failover achieved by providing multiple
+## servers from the trusted pool for fetching volume
+## specification
+
+cleanup;
+
+TEST glusterd
+TEST pidof glusterd
+
+TEST $CLI volume create $V0 $H0:$B0/$V0
+TEST $CLI volume start $V0
+TEST glusterfs --entry-timeout=0 --attribute-timeout=0 -s non-existent -s $H0 --volfile-id=/$V0 $M0
+
+cleanup;