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Separate unknown server version from old versions

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This allows better failover support detection.
This commit is contained in:
Esa Korhonen
2018-08-10 18:31:50 +03:00
parent ddc422b102
commit 681c456bd7
4 changed files with 10 additions and 3 deletions
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5
server/modules/monitor/mariadbmon/cluster_manipulation.cc
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@ -1355,7 +1355,10 @@ bool MariaDBMonitor::cluster_supports_failover(string* reasons_out)
// Gtid-replication is required, and a server version which supports it.
for (MariaDBServer* server : m_servers)
{
if (server->m_version != MariaDBServer::version::MARIADB_100)
// Need to accept unknown versions here. Otherwise servers which are down when the monitor starts
// would deactivate failover.
if (server->m_version != MariaDBServer::version::UNKNOWN &&
server->m_version != MariaDBServer::version::MARIADB_100)
{
*reasons_out += separator + string_printf("The version of server '%s' is not supported. Failover "
"requires MariaDB 10.X.", server->name());