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Improved compatibility with WS2016+

This commit is contained in:
Michael Grafnetter 2021-10-30 16:19:16 +02:00
parent 22c0c62c7c
commit 21d4b6d69d
2 changed files with 32 additions and 19 deletions
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47
Src/DSInternals.DataStore/DirectoryContext.cs
View File

@ -47,28 +47,12 @@
this.DatabaseLogFilesPath = this.DSAWorkingDirectory;
}
// TODO: Exception handling?
// Note: IsamInstance constructor throws AccessDenied Exception when the path does not end with a backslash.
this.instance = new IsamInstance(AddPathSeparator(checkpointDirectoryPath), AddPathSeparator(this.DatabaseLogFilesPath), tempDatabasePath, ADConstants.EseBaseName, JetInstanceName, readOnly, ADConstants.PageSize);
try
{
var isamParameters = this.instance.IsamSystemParameters;
if(EsentVersion.SupportsWindows10Features)
{
try
{
// Required for Windows Server 2022 compatibility, as it limits the transaction log file format to 8920.
// Note: Usage of JET_efvUsePersistedFormat still causes minor DB format upgrade.
isamParameters.EngineFormatVersion = 0x40000002; // JET_efvUsePersistedFormat: Instructs the engine to use the minimal Engine Format Version of all loaded log and DB files.
}
catch (EsentInvalidParameterException)
{
// JET_efvUsePersistedFormat should be supported since Windows Server 2016.
// Just continue even if it is not supported on the current Windows build.
}
}
// Set the size of the transaction log files to AD defaults.
isamParameters.LogFileSize = ADConstants.EseLogFileSize;
@ -107,6 +91,21 @@
{
// Delete obsolete log files.
isamParameters.DeleteOldLogs = true;
if (EsentVersion.SupportsWindows10Features)
{
try
{
// Required for Windows Server 2022 compatibility, as it limits the transaction log file format to 8920.
// Note: Usage of JET_efvUsePersistedFormat still causes minor DB format upgrade.
// isamParameters.EngineFormatVersion = 0x40000002; // JET_efvUsePersistedFormat: Instructs the engine to use the minimal Engine Format Version of all loaded log and DB files.
}
catch (EsentInvalidParameterException)
{
// JET_efvUsePersistedFormat should be supported since Windows Server 2016.
// Just continue even if it is not supported on the current Windows build.
}
}
}
this.session = this.instance.CreateSession();
@ -119,11 +118,25 @@
this.LinkResolver = new LinkResolver(this.database, this.Schema);
this.DomainController = new DomainController(this);
}
catch (EsentFileAccessDeniedException e)
{
// This exception was probably thrown by the OpenDatabase method
// HACK: Do not dispose the IsamSession object. Its Dispose method would throw an exception, which is a bug in ISAM.
GC.SuppressFinalize(this.session);
this.session = null;
// Free resources if anything failed
this.Dispose();
throw;
}
catch (EsentErrorException e)
{
// Free resources if anything failed
this.Dispose();
// EsentUnicodeTranslationFailException - This typically happens while opening a Windows Server 2003 DIT on a newer system.
// EsentSecondaryIndexCorruptedException - This typically happens when opening a Windows Server 2012 R2 DIT on Windows 7.
this.Dispose();
throw new InvalidDatabaseStateException("There was a problem reading the database, which probably comes from a different OS. Try defragmenting it first by running the 'esentutl /d ntds.dit' command.", this.DSADatabaseFile, e);
}
catch

2
Src/DSInternals.Replication.Interop/DSInternals.Replication.Interop.vcxproj
View File

@ -29,7 +29,7 @@
<Keyword>ManagedCProj</Keyword>
<RootNamespace>DSInternals.Replication.Interop</RootNamespace>
<ProjectName>DSInternals.Replication.Interop</ProjectName>
<WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">