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change "Getdatabase" code for Exchange 2010SP2 so that it accepts a database

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group name of DAG\MailboxDatabase to turn off the load-balancing and instead
use a fixed database.
The default behaviour of load-balancing mailboxes between all Provsioning-Enabled
mailbox databases of the DAG-Group is still present and functioning.
This commit is contained in:
VoosW 2012-10-29 19:35:27 +01:00
parent 98bab06e96
commit 7c85eb643f
1 changed files with 71 additions and 23 deletions
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94
WebsitePanel/Sources/WebsitePanel.Providers.HostedSolution/Exchange2010SP2.cs
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@ -607,15 +607,42 @@ namespace WebsitePanel.Providers.HostedSolution
ExchangeLog.LogStart("GetDatabase"); ExchangeLog.LogStart("GetDatabase");
ExchangeLog.LogInfo("DAG: " + dagName); ExchangeLog.LogInfo("DAG: " + dagName);
//Get Dag Servers // this part of code handles mailboxnames like in the old 2007 provider
// check if DAG is in reality DAG\mailboxdatabase
string dagNameDAG = string.Empty;
string dagNameMBX = string.Empty;
bool isFixedDatabase = false;
if (dagName.Contains("\\"))
{
// split the two parts and extract DAG-Name and mailboxdatabase-name
string[] parts = dagName.Split(new char[] { '\\' }, 2, StringSplitOptions.None);
dagNameDAG = parts[0];
dagNameMBX = parts[1];
// check that we realy have a database name
if (!String.IsNullOrEmpty(dagNameMBX))
{
isFixedDatabase = true;
}
}
else
{
// there is no mailboxdatabase-name use the loadbalancing-code
dagNameDAG = dagName;
isFixedDatabase = false;
}
//Get Dag Servers - with the name of the database availability group
Collection<PSObject> dags = null; Collection<PSObject> dags = null;
Command cmd = new Command("Get-DatabaseAvailabilityGroup"); Command cmd = new Command("Get-DatabaseAvailabilityGroup");
cmd.Parameters.Add("Identity", dagName); cmd.Parameters.Add("Identity", dagNameDAG);
dags = ExecuteShellCommand(runSpace, cmd); dags = ExecuteShellCommand(runSpace, cmd);
if (htBbalancer == null) if (htBbalancer == null)
htBbalancer = new Hashtable(); htBbalancer = new Hashtable();
// use fully qualified dagName for loadbalancer. Thus if there are two services and one of them
// contains only the DAG, the "fixed" database could also be used in loadbalancing. If you do not want this,
// set either IsExcludedFromProvisioning or IsSuspendedFromProvisioning - it is not evaluated for fixed databases
if (htBbalancer[dagName] == null) if (htBbalancer[dagName] == null)
htBbalancer.Add(dagName, 0); htBbalancer.Add(dagName, 0);
@ -628,35 +655,56 @@ namespace WebsitePanel.Providers.HostedSolution
{ {
System.Collections.Generic.List<string> lstDatabase = new System.Collections.Generic.List<string>(); System.Collections.Generic.List<string> lstDatabase = new System.Collections.Generic.List<string>();
foreach (object objServer in servers) if (!isFixedDatabase) // "old" loadbalancing code
{
foreach (object objServer in servers)
{
Collection<PSObject> databases = null;
cmd = new Command("Get-MailboxDatabase");
cmd.Parameters.Add("Server", ObjToString(objServer));
databases = ExecuteShellCommand(runSpace, cmd);
foreach (PSObject objDatabase in databases)
{
if (((bool)GetPSObjectProperty(objDatabase, "IsExcludedFromProvisioning") == false) &&
((bool)GetPSObjectProperty(objDatabase, "IsSuspendedFromProvisioning") == false))
{
string db = ObjToString(GetPSObjectProperty(objDatabase, "Identity"));
bool bAdd = true;
foreach (string s in lstDatabase)
{
if (s.ToLower() == db.ToLower())
{
bAdd = false;
break;
}
}
if (bAdd)
{
lstDatabase.Add(db);
ExchangeLog.LogInfo("AddDatabase: " + db);
}
}
}
}
}
else // new fixed database code
{ {
Collection<PSObject> databases = null; Collection<PSObject> databases = null;
cmd = new Command("Get-MailboxDatabase"); cmd = new Command("Get-MailboxDatabase");
cmd.Parameters.Add("Server", ObjToString(objServer)); cmd.Parameters.Add("Identity", dagNameMBX);
databases = ExecuteShellCommand(runSpace, cmd); databases = ExecuteShellCommand(runSpace, cmd);
// do not check "IsExcludedFromProvisioning" or "IsSuspended", just check if it is a member of the DAG
foreach (PSObject objDatabase in databases) foreach (PSObject objDatabase in databases)
{ {
if (((bool)GetPSObjectProperty(objDatabase, "IsExcludedFromProvisioning") == false) && string dagSetting = ObjToString(GetPSObjectProperty(objDatabase, "MasterServerOrAvailabilityGroup"));
((bool)GetPSObjectProperty(objDatabase, "IsSuspendedFromProvisioning") == false)) if (dagNameDAG.Equals(dagSetting, StringComparison.OrdinalIgnoreCase))
{ {
string db = ObjToString(GetPSObjectProperty(objDatabase, "Identity")); lstDatabase.Add(dagNameMBX);
ExchangeLog.LogInfo("AddFixedDatabase: " + dagNameMBX);
bool bAdd = true;
foreach (string s in lstDatabase)
{
if (s.ToLower() == db.ToLower())
{
bAdd = false;
break;
}
}
if (bAdd)
{
lstDatabase.Add(db);
ExchangeLog.LogInfo("AddDatabase: " + db);
}
} }
} }
} }