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0
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2answers
571 views

How to achieve high availability with MySQL cluster?

This question is not about how to install the servers nor its capabilities, but more of a design question. So I have a cluster of MySQL servers. I also have a DNS record "data.example.com". The ...
3
votes
1answer
843 views

cisco asa reloading

After having both memory and code upgrades, we have a significant number of our asa 5520's (in active/standby pairs) develop problems. The problem manifests itself as losing connectivity to the other ...
0
votes
1answer
74 views

Redundance for different processes running on the same server

We have a system consisting of different components/services like database, webserver, fileshare, some self programmed daemons, etc. We now have the requirement to make all components/services ...
0
votes
2answers
5k views

Failover Cluster: No disks suitable for cluster disks were found

I am trying to setup a failover cluster with two nodes. After running the validation tests, the storage sections had many warnings. The next step after creating the cluster with two nodes on the same ...
0
votes
1answer
391 views

SQL 2008 R2 Active/Active/Passive Cluster Does Not Allow Linked Servers Both Ways

We are designing an active/active/passive failover cluster using SQL 2008 R2. We have two separate instances of SQL 2008: instance A is on node 1, and instance B is on node 2. Right now I'm trying ...
0
votes
1answer
294 views

SQL Server Web Edtion Failover Cluster

Is it possible to run an SQL Server Web edition in a Windows 2008 R2 Failover Environment? I want to host a Website with backend database but keep it failsave with a failover cluster (install it on ...
7
votes
4answers
15k views

How to build a high availability Postfix system?

I'm needing to set up a remote mirror for a postfix server (where the content of both mail servers should be the same at any time). The idea is that if the main server comes down at some point the ...
1
vote
1answer
91 views

Sql server 2008 R2 fail over cluster

I want to be sure something about sql server 2008 fail over clustering. I heard that when i set two sql servers as failover cluster servers i can set load level of sql servers. for examples i have ...
1
vote
2answers
101 views

Are SQL transactions finished before a planned failover?

If I'm failing over my server due to a OS patch, are in-process transactions allowed to finish before stopping the SQL service?
4
votes
4answers
10k views

Failover cluster failed to failover due to mysterious IP conflict?

I'm having a mysterious problem with my Failover cluster, Cluster name: PrintCluster01.domain.com Members: PrintServer01.domain.com andPrintServer02.domain.com in the Failover Cluster Management – ...
1
vote
0answers
324 views

How do I configure a DCHP reservation for an IP Resource in a Windows 2008 R2 failover cluster?

Background My company has recently instituted a corporate policy that all servers are to have IP addresses that are issued via DHCP reservations to simplify the management of our IP scopes. We have ...
6
votes
6answers
17k views

Why are my HyperV VM's randomly losing connectivity?

I have a strange intermittent connectivity problem happening about once every two weeks. First my configuration: I am running a HyperV failover cluster with two physical hosts (node01 and node02). ...
1
vote
1answer
135 views

Predict the number of primaries after a split-brain situation

I am trying to avoid a split brain situation using automatic split brain recovery policies explained at http://www.drbd.org/users-guide/s-configure-split-brain-behavior.html How to predict which ...
5
votes
1answer
874 views

unable to destroy windows 2008 r2 failover cluster after SAN rebuild

I created a windows 2008 r2 failover cluster for a sql 2008 active/passive cluster. This two node cluster was using a SAN device for a quorum disk resource as well as MSDTC resource. Well....I ...
4
votes
1answer
505 views

Best practice in deploying SQL Server 2008 failover cluster over VMware ESX

I am now in the process of building SQL Server 2008 Enterprise failover cluster for use with 3rd party server monitoring application (which also do some OLAP analysis for trends). Since this project ...
1
vote
1answer
246 views

Advice on off-site backup of Hyper-V Failover Cluster

We are currently setting up a Server 2008 R2 which will be off-site over a leased line with VPN. At the main site is 2 x Hyper-V hosts in a failover cluster with PowerVault M3000i iSCSI SAN. We are ...
1
vote
2answers
454 views

MSSQL Failover Witness Server on a Domain Controller

I have 3 servers 1 production 1 standby and 1 just sitting there. I want 1 to stay production and I have been working on setting up an MSSQL automatic failover cluster between the production server ...
2
votes
5answers
1k views

linux clustered Filesystem

I currently have two CentOS Boxes providing NFS Services to multiple Web servers. Could someone recommand a file system which would mirror all files across both of these servers easily and ...
1
vote
1answer
439 views

How to integrate a failover WS without client reconfiguration?

I have a web service hosted by IIS server 1 and another web service hosted by IIS server 2. Is there a way to have the WS on server 2 automatically pick up when the WS on server 1 is unavailable, ...
0
votes
1answer
207 views

MSFC “the Cluster name is not online”

i have a microsoft 2008 failovercluster in my lab with, also, an unproductive dns server. Unfortunately i had a hdd-crash and recover my cluster from backup. But now, in cluster manager i see always ...
1
vote
0answers
681 views

How can I uninstall a clustered SQL instance if the cluster has been destroyed?

First time going through this scenario, and apparently I did it very wrong. On the DB servers I deleted the cluster group that held SQL and Reporting Services. I then destroyed the cluster. Then I ...
0
votes
1answer
723 views

OSX 10.5 Leopard to Failover Clustered Windows FIle Share Error 6602

I have set up a failover-clustered file share on a pair of Windows Server 2008 R2 Machines. This setup is working very well with all of the Windows clients that I know of, as well as with Macs ...
0
votes
2answers
1k views

Clustered MSDTC - No transaction is active

Hi I Currently have two clusters (W2K8R2) with SQL 2K8R2, both with MSDTC cluster service enabled. I've configured the MSDTC with all checkboxes, and Incoming Caller Authentication Required and NT ...
1
vote
1answer
183 views

Setting up a failover cluster on the internet?

Is it possible to use VPS hosting services available to set up a Linux Failover cluster on the internet ? (I believe Amazon cloud services allow this.) VPS providers allow you to use multiple ip ...
2
votes
1answer
1k views

Failover Cluster Problem

We have a problem with our Hyper-v Failover Cluster.Failover Cluster gives me MSDTC error. I am receiving the following these errors. Cluster resource 'DTC' in clustered service or application ...
3
votes
3answers
10k views

How do I know to which node of my Oracle RAC I am connected?

Is there an easy way to determine to which RAC node of an Oracle 11g R2 system I am connected? I am trying to perform some failover tests and I want to make sure my application is correctly connected ...
1
vote
1answer
816 views

Cluster Core Resource state of Exchange 2010 DAG

I have two Exchange 2010 servers in a DAG and a witness server to implement mailbox resiliency. The two Exchange servers are in two subnets and the Windows failover cluster therefore has two IP ...
3
votes
2answers
1k views

Set up DPM to use hardware VSS Provider with EMC Clariion SAN

We recently purchased an EMC Clariion AX4 SAN and we're using it to provide storage for our Hyper-V virtual machines. I've already got the servers registered with it and configured the failover ...
1
vote
2answers
2k views

Cluster Shared Volumes Mount Point

I am using Cluster Shared Volumes on Windows Server 2008 R2 with Hyper-V. The different volumes available have different sizes, and are physically located on different disks on the SAN. These ...
1
vote
1answer
2k views

Win'08 - Extend volume size on SAN attached storage in a failover cluster

Running Win 2008, I'd like to extend the volume of a SAN attached drive that is part of a failover cluster. The SAN team has allocated additional drive space which is being seen by Windows Storage ...
0
votes
1answer
2k views

hyper-v cluster behavior when losing network connectivity

Setup: (rather new) Hyper-V R2 cluster with 2 nodes (in failover configuration). Fysical host OS: Windows Server 2008. About eight VM's (mixed: Windows Server 2008 and Linux) Yesterday we had a ...
0
votes
1answer
109 views

windows application cluster

I have a windows service that is written in-house. This windows service services clients on TCP port X. I want to run it on more than one Windows server. I want the client apps to connect to a single ...
0
votes
1answer
1k views

Use DHCP to set Failover Cluster IP Address

I have a Hyper-V Failover Cluster running using manually-configured IP addresses. On this cluster, among other machines, I have two Server 2008 R2 Enterprise Machines running failover cluster, ...
0
votes
1answer
115 views

SQL Server 2008 setup issue

I am setting up SQL Server 2008 fail over cluster on Windows Server 2008 Enterprise. I met with the following issue during setup process. Here is detailed message, any ideas what is wrong? The ...
1
vote
3answers
312 views

looking for MySQL failover and loadbalace setup for clusting

i have setup my clusting for 3 mysql servers, 1 master and 2 nodes what i need to do right now its setup a failover system and loadbalace setup. Can sombardy link to a good article about that? i use ...
2
votes
1answer
2k views

How to build true HA cluster using Ubuntu Cloud or other virtualization options

We need to set a fault tolerant solution for a VOIP application preferably using Linux clusters. The application will reside on server A and an identifically configured server B will act as fail ...
2
votes
2answers
294 views

Can I use domain controller as one of my nodes in my cluster environment?

I want do some SQL Server failover cluster experiment on Windows 2008 R2 in VM. Now I created a domain controller(as DNS server too) DC. Also I created a server server1 and added into the domain. Can ...
0
votes
1answer
772 views

How to start/configure JBoss clustering

I am totally new to JBoss. Basically i am needed to setup a JBoss clustering environment on windows. Meaning, JBossA sits on machine A and JBossB sits on machine B. So when JBossA fails, it will ...
0
votes
2answers
431 views

Failover clusters of WPAR with HACMP in AIX 6.1?

Is it possible to create a failover cluster using Workload Partitions (wpar) in AIX 6.1? I want to create a two node cluster such that each of the nodes is a wpar and in event of a software failure ...
3
votes
2answers
2k views

Failover Cluster : Microsoft Exchange Server 2010

The scenario is: I got 2 identical 2U rack mount servers with Operating System Windows Server 2008 R2 Enterprise. They are : in same domain. both installed Exchange 2010 in Hyper-V both are domain ...
2
votes
2answers
339 views

Set up DNS to find closest IP [duplicate]

Possible Duplicate: Geo-DNS providers? I have one domain that may be accessed by people from all over the world. I would like to set up servers throughout the world and have people connect ...
2
votes
4answers
453 views

SQL server failover clustering

How many failover clustered nodes can you have?, and if you add more and more nodes, is it going to slow down?
0
votes
1answer
38 views

Clustering service Configuration help

When setting up Windows Cluster, should "clustering service" run as a "domain account" or "Local System" account?
1
vote
1answer
560 views

SQL Server 2008 cluster freezing

We have run into a strange situation in which a SQL Server 2008 single-node cluster hangs. As background, we are rebuilding a Windows Server 2003/SQL Server 2005 two-node cluster using Windows 2008 ...
1
vote
1answer
916 views

Add second ip address to an existing SQl 2008 failover clustering

I have a failover cluster on Windows Server 2008, with SQL server 2008. On each server I have two network cards, with two different networks. One is on 10.10.10.x and the other is on 192.168.99.x I ...
2
votes
2answers
236 views

How to manage service failover?

I am using Windows Network Load Balancing to keep my apps available even when one of the servers is down. The problem is that it only detects when a whole machine is down. It happens sometimes that ...
1
vote
0answers
284 views

Windows 2003 Cluster: Failover Delay

I am testing the failover policies of our test failover cluster system. When I shutdown the node who is currently controlling the cluster (NODE1), it takes about 2 mins and 40 seconds before the next ...
1
vote
1answer
713 views

What happened to “allow application to interact with desktop” checkbox in cluster manager for server 2008?

The cluster managing software for managing clusters on a windows server 2005 cluster had a checkbox for "allow application to interact with desktop" when creating a generic application resource. This ...