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samba-mirror/ctdb/tests/takeover/lcp2.010.sh

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Tests - IP allocation - new test that shows current LCP2 failure There are 4 IPs across 2 nodes and 2 addresses across 2 other nodes. If one of the latter nodes is unhealthy and then becomes healthy again, an IP isn't failed back. This is because the nodes in the 1st group are >= unbalanced then the nodes in the 2nd group. Signed-off-by: Martin Schwenke <martin@meltin.net> (This used to be ctdb commit 1d26e7cff6292fcbf63efc4628ffbb63b6f1f73c)
2011-11-01 19:59:29 +11:00
#!/bin/sh
tests/takeover - Restructure according to new convention Signed-off-by: Martin Schwenke <martin@meltin.net> (This used to be ctdb commit f94897ef9504c144937409688fa7a646e0b0ceae)
2012-04-16 15:53:24 +10:00
. "${TEST_SCRIPTS_DIR}/unit.sh"
Tests - IP allocation - new test that shows current LCP2 failure There are 4 IPs across 2 nodes and 2 addresses across 2 other nodes. If one of the latter nodes is unhealthy and then becomes healthy again, an IP isn't failed back. This is because the nodes in the 1st group are >= unbalanced then the nodes in the 2nd group. Signed-off-by: Martin Schwenke <martin@meltin.net> (This used to be ctdb commit 1d26e7cff6292fcbf63efc4628ffbb63b6f1f73c)
2011-11-01 19:59:29 +11:00
define_test "2 disjoint groups of nodes/addresses, a node becomes healthy"
# This illustrates a bug in LCP2 when the the only candidate for a
# source node is chosen to be the "most imbalanced" node. This means
# that nodes in the smaller group aren't necessarily (depends on sort
# order and addresses used) considered as candidates. If the larger
# group has 6 addresses then the "necessarily" goes away and the
# smaller group won't be rebalanced.
export CTDB_TEST_LOGLEVEL=0
required_result <<EOF
192.168.209.102 3
192.168.209.101 2
192.168.140.4 1
192.168.140.3 1
192.168.140.2 0
192.168.140.1 0
EOF
simple_test 0,0,0,0 <<EOF
192.168.140.1 0 0,1
192.168.140.2 0 0,1
192.168.140.3 1 0,1
192.168.140.4 1 0,1
192.168.209.101 2 2,3
192.168.209.102 2 2,3
EOF
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