A cluster consists of a group of computers connected so that in many respects they can be viewed as a single system.

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How to use Blob Storage as shared storage in a Windows Azure Failover Cluster?

In the context of SQL Server 2012 Standard Edition, is it possible to make Azure Blob storage available to a SQL Failover cluster directly as a shared SCSI resource on a Windows Cluster composed on ...
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1answer
577 views

Improper removal of SQL Server cluster

A node was evicted from a windows cluster without first uninstalling the sql first. When the node was put back, an error was produced when we tried to failover. It was reporting a missing dll. Feels ...
2
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1answer
5k views

Problem adding a new node to a SQL Server 2012 Failover Cluster

I tried to add a new node to SQL Server (2012 Standard) Failover, that is already installed on another node in Windows2012 Failover Cluster I have an issue with non editable field wiht input for SQL ...
25
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4answers
12k views

Clustering vs. transactional replication vs. availability groups

Assuming you need to make sure your application that relies on SQL Server 2012 as its database backend is available around the clock, even if one server machine fails. As a developer and not a DBA, I ...
3
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3answers
387 views

Is it possible to setup failover clustering between a 32 bit instance and a 64 bit instance?

I am attempting to setup a couple of virtual machines in my lab for testing failover clustering on SQL Server 2008 and Windows Server 2008. One of the hosts I have is not capable of running a 64 bit ...
4
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1answer
3k views

SQL Server cluster not available after failure of the “main” server

I aksed this question on stackoverflow, but was asked to repost here so here it is: I have a database that I'm setting up in a clustered environment. It'll be two servers with a shared storage. ...
4
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1answer
4k views

Setting up MySQL Cluster on Two Systems

I am attempting to setup a MySQL Cluster. I have the folllowing setup one management node two data nodes another machine on which two more nodes reside Below is the config.ini file: [ndbd ...
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2answers
2k views

SQL Server 2008 upgrade to SQL Server 2012 on a cluster

I have a Windows 2008R2 2 node cluster with SQL Server 2008 clustered. How do I prevent the cluster from failing over while I am applying the SQL Server 2012 to the alternate node first? Any pointers ...
2
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1answer
1k views

TempDB on Solid State Drives on SQL Server Cluster

Can solid state drives be used for the TempDB on a SQL Server failover cluster if they are local drive on both machines? It is supported in 2012 but our cluster is a SQL 2005. The application that it ...
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2answers
167 views

Single disk for Data, System, User, Temp and Backup when installing Fail Over Cluster?

I have a Windows cluster with two nodes. I am trying to make Fail Over Cluster using SQL Server 2012. On both nodes there is 2 TB storage available which I can access as: ...
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2answers
246 views

Multiple database servers for performance vs failover

If I have two database servers, and I am looking for maximum performance vs high-availability, what configuration would be best? Assuming the architecture is two load-balanced web/app servers in ...
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1answer
1k views

Is MSDTC required for SQL Server 2012 Fail Over Cluster?

I am making a 2 node SQL Server 2012 Fail Over Cluster, do I need to install MSDTC also? If yes then can both be installed on single shared disk?
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1answer
2k views

Is it bad to assign specific processors to SQL Server 2008 R2 cluster instances?

I have a SQL Server 2008 R2 failover cluster with a passive node and an active node. The servers are physically identical. I have two instances of SQL Server, one set to use all the CPUs in the ...
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1answer
423 views

RBS and Fail Over Cluster with SQL Server 2012

I am trying to install one SQL Server 2012 cluster with two nodes. I will also be enabling Remote Blob Storage (RBS) on server so I was wondering if I need to take something in account while ...
2
votes
1answer
633 views

Experience using ScaleArc in test or production?

Has anyone had any experience using ScaleArc? My CTO has asked my thoughts on it, and I have seen no information out there regarding real-world experiences.
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2answers
406 views

Understanding disk requirement to make fail over cluster

Please take a look at the following screenshot. I am trying to make SQL Server 2012 Fail Over Cluster using two nodes. As you know we need to have a shared SAN which will be used by both nodes to ...
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0answers
236 views

Create a high availability cluster configuration PostgreSQL for Windows

I want a server to be replicated, here is the scenario: When my primary server goes down or fail I want the secondary or the standby server to take over, I'm using Windows 7 for the primary server, ...
0
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1answer
378 views

Clients require instance name to connect to clustered instance

We have a clustered instance, say Instance1, assigned its own virtual network name and IP, via Failover Cluster Manager. This instance is configured to listen on port 1433 in SQL Server network ...
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0answers
466 views

How to shut down clustered SQL Server 2008 R2 with NOWAIT?

Is it possible to shutdown with nowait on a clustered instance? I want to delay recovery to when the instance starts, and I want to shut down as quickly as possible without issuing checkpoints to my ...
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1answer
442 views

SQL Server 2008 component is cluster-aware? [closed]

Which SQL Server 2008 components are cluster-aware? Notification Services Tuning Advisor Full Text Search Reporting Services Integration Service
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1answer
503 views

When changing startup parameters on a cluster, does each node have to be updated manually?

When moving a SQL 2005 instance to new disks on a two-node Windows 2003 cluster, I changed startup params on the active node to reflect the new paths for the master DB files and error logs. I ...
7
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3answers
2k views

SQL Server 2012 Standard Edition - multiple instances and memory utilization

If we have multiple instances of a SQL Server 2012 Standard Edition (which has a 64 GB memory limit) on one server which has 192 GBs of RAM, do both instances only have access to the first 64 GBs of ...
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1answer
300 views

Oracle DB 11gR2 netca installation failing

I am getting below error when I run netca from command line cmd: /u01/app/oracle/product/11.2.0/db_1/bin/netca /silent /responsefile=/oracle_binaries/database/response/netca.rsp [main] [ 2013-05-17 ...
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0answers
202 views

How to setup a Postgres-xc streaming replication with master-slave(for HA)?

Can you guys please help me about how to make streaming replication with master-slave configuration using Postgres-xc to confirm an HA environment? Thanks
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1answer
701 views

PowerPivot doesn't install in SharePoint mode on an Active/Passive Cluster

We a provisioning a new SQL Failover Cluster. We have successfully configured the SQL instance, and have moved on to configuration of the PowerPivot for SharePoint instance. We run the configuration ...
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2answers
174 views

Is it possible to remove a database server from a cluster resource, but keep it running on the node

I was wondering if anyone knew whether it was possible to delete the cluster resource, but keep all of the disks and sql instance running on the node instead? So if I was to delete the cluster ...
0
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1answer
482 views

How to install and configure Postgres-XC in windows?

Can anybody suggest me any resources of the complete installation procedure of postgres-XC in windows. I've installed postgresql-9.2 in my windows and can use it. Now I need to know the installation ...
0
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1answer
157 views

Should we always prefer clustering over a master-slave configuration if the goal is high-availability?

Given: I have two virtual machines on a SAN that I can use to host RavenDB. Question: If my goal is high-availability, then should I always prefer clustering over a master-slave configuration? From ...
5
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1answer
967 views

What is the safest way to run SSIS on Multiple Named SQL Server Instances?

I have an Active/Active SQL Server 2008 R2 cluster. There are two named instances on each node and no default instance. I need to deploy SSIS packages to the different instances. To do this, I ...
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0answers
373 views

PostgreSQL: Slave doesn't replicate the Master's data

I'm using PostgreSQL 9.2.3 on both computers, both of which run Win2008R2. I've setup streaming replication by following this guide: ...
0
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1answer
375 views

Redo Logs Mysql Cluster

The mysql cluster has 4 directories namely D8 D9 D10 D11 for redo logfiles. But while inserting into table only one redo directory is used. I ran following command to get redo information "all dump ...
2
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1answer
830 views

Moving DBs (including System DBs) to new LUNs on a single node cluster

We have a single node cluster (SQL2K8 R2) currently utilizing storage on our old SAN. We'd like to migrate to storage on the new SAN without rebuilding or moving the user DB. The infrastructure ...
3
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1answer
1k views

SQL Server 2008 Cluster Across Two VMWARE Hosts

Vmware ESX 5 from a Vcenter Two Windows 2008 R2 VMs I am attempting to setup Failover Clustering using two VMs from within a Vcenter. Each virtual machine resides on a seperate physical host ...
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180 views

Error in alter table reorganize partition for MySQL Cluster

My cluster contains 48 million rows and cluster contains 4 storage nodes . After that I add online storage node and executed alter table 'customer_tbl' reorganize partition. Some parameters of ...
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0answers
369 views

Cannot start SQL Server service on SQL Server cluster [closed]

I have a SQL Server 2008 cluster with 2 nodes. I rebooted both machines and now I CANNOT start the SQL Server service from: Node1 or Node2 or ClusterSQL (the cluster SQL Server) I am getting an ...
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1answer
160 views

Data usage increases initially when reorganize partition mysql cluster

In my MySQL cluster, the data usage of 4 data nodes is approximately 77%. I added a new data node online, and attempted to reorganize partition to redistribute data among all data nodes. But before ...
0
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1answer
437 views

SQL Server weird issue with indexes and query planner

We had a bunch of crashes and restorations a few days ago and following those, the SQL Server DB has been acting strangely. We know that there were some issues with the failover clusters due to which ...
3
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1answer
334 views

MySQL licensing [closed]

I have looked at a few questions posted in stackoverflow http://stackoverflow.com/questions/225987/can-someone-explain-mysqls-license-and-what-it-means-to-closed-source-developme ...
5
votes
2answers
2k views

Manually moving SQL instance to another node causes immediate database mirror failover

I have a two-node SQL cluster (2008 R2). Some of the databases within that SQL instance are mirrored to another server on a remote site, using the High safety with automatic failover. The mirroring ...
0
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1answer
217 views

Load balancing after clustering is failed in SQL Server cluster

This is what I have been asked today on my interview for a SQL Server DBA position: It is an active - active cluster configuration. The primary node is in NY and the other node is in Rio. The NY ...
0
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1answer
429 views

What are the parameters that are needed to be monitored for MYSQL Cluster

I am new to MySQL cluster. I had installed MySQL cluster successfully with 2 data nodes and 1 Management Node and 1 SQL node. I want to know where and how exactly the core data is getting stored. ...
6
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1answer
475 views

Storing logs on per day basis in PostgreSQL

Requirements here are to store historical logs. For the sake of simplicity I'll assume this sample scenario where we are selling some products on our website and we need to keep records of sales of ...
2
votes
1answer
515 views

AlwaysOn Availability Groups: Confusion with some concepts

In Sql Server 2012, I am trying to install Failover Clustering to configure AlwaysOn Availability Groups. When I run Cluster Validation test wizard, it comes back with a lot of errors. One of them ...
0
votes
1answer
192 views

memcached service stopped unexpectedly

I am working with MySQL Cluster 7.2.4 memcached 1.6 I started memcached service with ndb-caching option: memcached -E /usr/local/mysql/lib/ndb_engine.so -e ...
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1answer
1k views

What is the difference between Oracle clusterware and Real Application Clusters?

What is the difference between Oracle clusterware and Real Application Clusters? If we have 2 servers and want to join them into a cluster why there are two separate software products?
2
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1answer
1k views

How many database licenses do we need for setting 2 servers (nodes) into a cluster?

Suppose we have a server that has only 1 CPU with 1 core, so we need 1 Oracle database license for installing a database into it. Now, if we would need to add a second server, combine them into ...
4
votes
1answer
2k views

Continuing failovers on production server

At least a few times a day, my main production server has recently begun failing over. Only, the quorum doesn't move to the other node. I ran the validation report, and got a lot of info I don't ...
2
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1answer
645 views

Dual management node for mysql clustering

I currently have mysql cluster setup and running. Here is my current setup: 1 - management node 2 - data nodes 2 - mysql nodes I wish to incorporate a failover for the management node. The ...
2
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1answer
326 views

Redesigning a multi-instance MySQL server for performance and resiliency

I've got a single MySQL server which currently runs N separate MySQL instances on, which are rapidly growing beyond the capabilities of that box. Is it possible to have an active-active MySQL ...
6
votes
1answer
745 views

Executing Powershell SMO against a cluster with elevated privileges to update service accounts

I'm working on a Powershell script to update service accounts on named SQL instances in a failover cluster. I'm trying to use the SMO and WMI to update this so that I can update the service account ...