/// <summary>
/// AgDatabaseMove the database to all instances of the availability group.
/// To join the AG, Finalize must be set.
/// </summary>
/// <param name="lastLsn">The last restored LSN used to continue while in no recovery mode.</param>
/// <returns>The last LSN restored.</returns>
public decimal Move(decimal?lastLsn = null)
{
if (!_options.Overwrite && _options.Destination.Exists() && !_options.Destination.Restoring)
{
throw new ArgumentException("Database exists and overwrite option is not set");
}
if (lastLsn == null && _options.Destination.Restoring)
{
throw new
ArgumentException("lastLsn parameter can only be used if the Destination database is in a restoring state");
}
if (_options.Overwrite)
{
_options.Destination.Delete();
}
_options.Source.LogBackup();
var backupChain = new BackupChain(_options.Source);
var backupList = backupChain.OrderedBackups.ToList();
if (_options.Destination.Restoring && lastLsn != null)
{
backupList.RemoveAll(b => b.LastLsn <= lastLsn.Value);
}
if (!backupList.Any())
{
throw new BackupChainException("No backups found to restore");
}
_options.Destination.Restore(backupList, _options.FileRelocator);
if (_options.CopyLogins)
{
_options.Destination.CopyLogins(_options.Source.AssociatedLogins().Select(UpdateDefaultDb).ToList());
}
if (_options.Finalize)
{
_options.Destination.JoinAg();
}
if (_options.DeleteSource)
{
_options.Source.Delete();
}
return(backupList.Max(bl => bl.LastLsn));
}
/// <summary>
/// Restore the database to all instances of the availability group.
/// To join the AG, Finalize must be set.
/// </summary>
/// <param name="lastLsn">The last restored LSN used to continue while in no recovery mode.</param>
/// <returns>The last LSN restored.</returns>
public decimal AgDbRestore(decimal?lastLsn = null)
{
if (!Overwrite && _destination.Exists() && !_destination.Restoring)
{
throw new ArgumentException("Database exists and overwrite option is not set.");
}
if (lastLsn != null && !_destination.Restoring)
{
throw new
ArgumentException("Database is not in a restoring state which is required to use the lastLsn parameter.");
}
var backupChain = new BackupChain(_source);
var backupList = backupChain.RestoreOrder.ToList();
if (_destination.Restoring && lastLsn != null)
{
backupList.RemoveAll(b => b.LastLsn <= lastLsn.Value);
if (!backupList.Any())
{
throw new BackupChainException("No backups found to restore.");
}
}
_destination.Restore(backupList, FileRelocator);
if (Finalize)
{
_destination.JoinAg();
}
if (CopyLogins)
{
_destination.CopyLogins(_source.AssociatedLogins().Select(UpdateDefaultDb).ToList());
}
return(backupList.Max(bl => bl.LastLsn));
}
