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Bug#23546, Cluster configured without any arbitration

Browse source 
storage/ndb/src/mgmsrv/ConfigInfo.cpp:
  add a judgement for arbitration rank configuration, if neither MGMD nor API nodes
  are configured with rank = 0, show warning information;
  correct indentations around patch;
This commit is contained in:
unknown 2007-01-30 13:05:40 +08:00
parent b391a52284
commit c08aca36a0
1 changed files with 78 additions and 70 deletions
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148
storage/ndb/src/mgmsrv/ConfigInfo.cpp
View file

@ -3604,6 +3604,7 @@ check_node_vs_replicas(Vector<ConfigInfo::ConfigRuleSection>&sections,
Uint32 db_nodes= 0;
Uint32 replicas= 0;
Uint32 db_host_count= 0;
bool with_arbitration_rank= false;
ctx.m_userProperties.get(DB_TOKEN, &db_nodes);
ctx.m_userProperties.get("NoOfReplicas", &replicas);
if((db_nodes % replicas) != 0){
@ -3639,83 +3640,90 @@ check_node_vs_replicas(Vector<ConfigInfo::ConfigRuleSection>&sections,
tmp->get("HostName", &host);
if (strcmp(type,DB_TOKEN) == 0)
{
{
Uint32 ii;
if (!p_db_hosts.get(host,&ii))
db_host_count++;
p_db_hosts.put(host,i);
if (p_arbitrators.get(host,&ii))
{
arbitration_warning.appfmt(arbit_warn_fmt, ii, i, host);
p_arbitrators.remove(host); // only one warning per db node
}
}
{
unsigned j;
BaseString str, str2;
str.assfmt("#group%d_",group);
p_db_hosts.put(str.c_str(),i_group,host);
str2.assfmt("##group%d_",group);
p_db_hosts.put(str2.c_str(),i_group,i);
for (j= 0; j < i_group; j++)
{
const char *other_host;
p_db_hosts.get(str.c_str(),j,&other_host);
if (strcmp(host,other_host) == 0) {
unsigned int other_i, c= 0;
p_db_hosts.get(str2.c_str(),j,&other_i);
p_db_hosts.get(str.c_str(),&c);
if (c == 0) // first warning in this node group
node_group_warning.appfmt(" Node group %d", group);
c|= 1 << j;
p_db_hosts.put(str.c_str(),c);
node_group_warning.appfmt(",\n db node with id %d and id %d "
"on same host %s", other_i, i, host);
}
}
i_group++;
DBUG_ASSERT(i_group <= replicas);
if (i_group == replicas)
{
unsigned c= 0;
p_db_hosts.get(str.c_str(),&c);
if (c+1 == (1u << (replicas-1))) // all nodes on same machine
node_group_warning.append(".\n Host failure will "
"cause complete cluster shutdown.");
else if (c > 0)
node_group_warning.append(".\n Host failure may "
"cause complete cluster shutdown.");
group++;
i_group= 0;
}
}
{
{
Uint32 ii;
if (!p_db_hosts.get(host,&ii))
db_host_count++;
p_db_hosts.put(host,i);
if (p_arbitrators.get(host,&ii))
{
arbitration_warning.appfmt(arbit_warn_fmt, ii, i, host);
p_arbitrators.remove(host); // only one warning per db node
}
}
{
unsigned j;
BaseString str, str2;
str.assfmt("#group%d_",group);
p_db_hosts.put(str.c_str(),i_group,host);
str2.assfmt("##group%d_",group);
p_db_hosts.put(str2.c_str(),i_group,i);
for (j= 0; j < i_group; j++)
{
const char *other_host;
p_db_hosts.get(str.c_str(),j,&other_host);
if (strcmp(host,other_host) == 0) {
unsigned int other_i, c= 0;
p_db_hosts.get(str2.c_str(),j,&other_i);
p_db_hosts.get(str.c_str(),&c);
if (c == 0) // first warning in this node group
node_group_warning.appfmt(" Node group %d", group);
c|= 1 << j;
p_db_hosts.put(str.c_str(),c);
node_group_warning.appfmt(",\n db node with id %d and id %d "
"on same host %s", other_i, i, host);
}
}
i_group++;
DBUG_ASSERT(i_group <= replicas);
if (i_group == replicas)
{
unsigned c= 0;
p_db_hosts.get(str.c_str(),&c);
if (c+1 == (1u << (replicas-1))) // all nodes on same machine
node_group_warning.append(".\n Host failure will "
"cause complete cluster shutdown.");
else if (c > 0)
node_group_warning.append(".\n Host failure may "
"cause complete cluster shutdown.");
group++;
i_group= 0;
}
}
}
else if (strcmp(type,API_TOKEN) == 0 ||
strcmp(type,MGM_TOKEN) == 0)
{
Uint32 rank;
if(tmp->get("ArbitrationRank", &rank) && rank > 0)
{
if(host && host[0] != 0)
{
Uint32 ii;
p_arbitrators.put(host,i);
if (p_db_hosts.get(host,&ii))
{
arbitration_warning.appfmt(arbit_warn_fmt, i, ii, host);
}
}
else
{
arbitration_warning.appfmt(arbit_warn_fmt2, i);
}
}
{
Uint32 rank;
if(tmp->get("ArbitrationRank", &rank) && rank > 0)
{
with_arbitration_rank = true; //check whether MGM or API node configured with rank >0
if(host && host[0] != 0)
{
Uint32 ii;
p_arbitrators.put(host,i);
if (p_db_hosts.get(host,&ii))
{
arbitration_warning.appfmt(arbit_warn_fmt, i, ii, host);
}
}
else
{
arbitration_warning.appfmt(arbit_warn_fmt2, i);
}
}
}
}
if (db_host_count > 1 && node_group_warning.length() > 0)
ndbout_c("Cluster configuration warning:\n%s",node_group_warning.c_str());
if (!with_arbitration_rank)
{
ndbout_c("Cluster configuration warning:"
"\n Neither %s nor %s nodes are configured with arbitrator,"
"\n may cause complete cluster shutdown in case of host failure.",
MGM_TOKEN, API_TOKEN);
}
if (db_host_count > 1 && arbitration_warning.length() > 0)
ndbout_c("Cluster configuration warning:%s%s",arbitration_warning.c_str(),
"\n Running arbitrator on the same host as a database node may"