Ejemplo n.º 1
0
        protected override void InternalProcessRecord()
        {
            this.m_output.WriteProgressIncrementalSimple(Strings.ProgressForceQuorum, 10);
            if (!this.m_isQuorumPresent && !this.ForceQuorumIfNecessary())
            {
                this.m_output.WriteErrorSimple(new DagTaskQuorumNotAchievedException(this.m_dag.Name));
            }
            this.m_output.WriteProgressIncrementalSimple(Strings.ProgressChangeFsw, 20);
            DatabaseAvailabilityGroupAction.EvictStoppedNodes(this.m_dag, this.m_stoppedServers.Values, this.m_output);
            this.ProcessFileShareWitness();
            IEnumerable <AmServerName> amServerNamesFromServers = RestoreDatabaseAvailabilityGroup.GetAmServerNamesFromServers(this.m_startedServers.Values);

            using (AmCluster amCluster = AmCluster.OpenByNames(amServerNamesFromServers))
            {
                bool shouldBeFsw = DagTaskHelper.ShouldBeFileShareWitness(this.m_output, this.m_dag, amCluster, false);
                DagTaskHelper.ChangeQuorumToMnsOrFswAsAppropriate(this.m_output, this, this.m_dag, amCluster, this.m_afsw, this.m_afsw, shouldBeFsw, !this.UsePrimaryWitnessServer);
                this.DeleteLastLogGenerationTimeStamps(amCluster, this.m_stoppedServers.Values, this.m_output);
            }
            this.m_output.WriteProgressIncrementalSimple(Strings.ProgressTaskComplete, 100);
            base.InternalProcessRecord();
        }
        private void UpdateFileShareWitness()
        {
            if (this.m_allServers.Count == 0)
            {
                this.m_output.WriteErrorSimple(new DagTaskNoServersAreStartedException(this.m_dag.Name));
            }
            IEnumerable <AmServerName> amServerNamesFromServers = RestoreDatabaseAvailabilityGroup.GetAmServerNamesFromServers(this.m_allServers.Values);

            using (AmCluster amCluster = AmCluster.OpenByNames(amServerNamesFromServers))
            {
                bool   flag            = DagTaskHelper.IsQuorumTypeFileShareWitness(this.m_output, amCluster);
                bool   flag2           = DagTaskHelper.ShouldBeFileShareWitness(this.m_output, this.m_dag, amCluster, false);
                string fswShareCurrent = string.Empty;
                if (flag)
                {
                    using (AmClusterResource amClusterResource = amCluster.OpenQuorumResource())
                    {
                        if (amClusterResource != null)
                        {
                            fswShareCurrent = amClusterResource.GetPrivateProperty <string>("SharePath");
                        }
                    }
                }
                if (flag2)
                {
                    if (this.m_fsw != null)
                    {
                        try
                        {
                            this.m_output.AppendLogMessage("Creating/modififying the primary FSW, if needed.", new object[0]);
                            this.m_fsw.Create();
                            if (this.m_dag.Servers.Count == 0 && this.m_fsw.IsJustCreated)
                            {
                                this.m_fsw.Delete();
                            }
                        }
                        catch (LocalizedException ex)
                        {
                            if (this.m_fsw.GetExceptionType(ex) != FileShareWitnessExceptionType.FswDeleteError)
                            {
                                this.m_output.WriteWarning(ex.LocalizedString);
                            }
                        }
                    }
                    if (this.m_afsw != null && !this.m_afsw.Equals(this.m_fsw))
                    {
                        try
                        {
                            this.m_output.AppendLogMessage("Creating/modififying the alternate FSW, if needed.", new object[0]);
                            this.m_afsw.Create();
                            if (this.m_dag.Servers.Count == 0 && this.m_afsw.IsJustCreated)
                            {
                                this.m_afsw.Delete();
                            }
                        }
                        catch (LocalizedException ex2)
                        {
                            if (this.m_afsw.GetExceptionType(ex2) != FileShareWitnessExceptionType.FswDeleteError)
                            {
                                this.m_output.WriteWarning(ex2.LocalizedString);
                            }
                        }
                    }
                    bool useAlternateWitnessServer = this.m_useAlternateWitnessServer;
                    if (!this.m_skipDagValidation || (flag2 && !flag))
                    {
                        DagTaskHelper.ChangeQuorumToMnsOrFswAsAppropriate(this.m_output, this, this.m_dag, amCluster, this.m_fsw, this.m_afsw, flag2, this.m_useAlternateWitnessServer);
                    }
                }
                else if (!this.m_skipDagValidation && flag)
                {
                    DagTaskHelper.RevertToMnsQuorum(this.m_output, amCluster, fswShareCurrent);
                }
            }
        }