1
vote
1answer
62 views

Failover Cluster Client Access Point Only Responds to Pings on the Owner Node

Background We're running two VMs (Windows Server 2012 R2) on Azure with SQL Server installed, set up as an availability group. We also, of course, have another VM as a dedicated DC. These are all ...
-2
votes
1answer
35 views

database cluster fail over [closed]

I planed to develop a customized HA program for MSSQL, but I got a question when reading some articles about cluster. When master is down, then slaves vote for a new master, and the new master will ...
1
vote
1answer
34 views

Failover clustering or Network Load Balance on windows server

I have 2 servers with Windows 2008 R2 standard OS. I need to create a cluster in case on of the servers goes down ; so the other one will continue provide services. The services we mostly use are a ...
1
vote
0answers
22 views

Difference between all servers in one cluster and more than one cluster with servers? [closed]

Not sure I understand what´s the difference or how it works when servers a running in one cluster or if there are more than one clusters with servers in it - regard High availability & Load ...
0
votes
1answer
132 views

RedHat 6 Cluster Failover

I'm testing the RedHat Cluster Administration tool documented here: https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Cluster_Administration/index.html I have two ...
0
votes
1answer
53 views

Detect if the original node failed in tomcat cluster

I have two nodes in a cluster. Node1 initially servers requests. Loadbalancer redirects the request to node 2 if the first node fails. I would like to know if there is a way for the Node 2 to detect ...
0
votes
0answers
176 views

Server 2012 cluster - SAN volume - failover not working

The following configuration is available: - 3 HP SAN disk Enclusores / 2 SAN controller; HSV200 (FC) - 2 HP Brocade SAN switches - 2 HP blade servers, each with a QLogic FC HBA QMH2462 - SAN volume is ...
3
votes
2answers
51 views

Is it possible to have automatic failover of a windows service without windows clustering?

Due to a partial failure of our SAN we have switched our message queuing (Active MQ) from using network storage to using local storage. Because the secondary server is no longer sharing the same ...
0
votes
1answer
108 views

Memcached distribution

I have a question about memcached distribution across nodes. We have 20 memcached nodes with 200GB memcached on each. Our apps are PHP apps. $memcache->setOption(Memcached::OPT_DISTRIBUTION, ...
1
vote
0answers
103 views

How to bind CIFS server to virtual IP in Windows Server 2012?

I'm a unix guy who is new to clustering with Windows. I have two Windows 2012 servers that have the StorNext clustered filesystem mounted as drives on each. If I try to add the File Sharing role, I ...
1
vote
1answer
435 views

keepalived 2 VIP and 2 servers

Is it possible to configure keepalived in a such way? In normal state VIP_1 assigned to SERVER_1 and VIP_2 assigned to SERVER_2 on server failure all VIP's going to working server, and after failed ...
1
vote
0answers
124 views

Unable to remote desktop using failover cluster name

I am using Microsoft Failover Cluster and I have 2 nodes - say node1 & node2. The nodes are successfully accessed by remote desktop. but the cluster name is not accessible. The cluster name is ...
0
votes
0answers
53 views

Can a File Server resource be brought online if there is no dependency Disk provided in Microsoft Failover Cluster?

We have a Failover cluster having 2 nodes and we have set up a File Server resource which has 3 disks related to 3 File Server resources. I tried to create a new File Server share in that same service ...
0
votes
1answer
180 views

How to setup cluster of virtual machines to host web application with fail-over redundancy?

I would like to know how to setup a cluster of virtual machines to host a web application. We are expecting a high volume of clients connecting. I would like a cluster of virtual machines (or ...
1
vote
1answer
263 views

Hyper-V Redundancy without Domain

We currently run a Hyper-V server on a non-domain W2008 server, and are looking to build a failover solution. Because all the (6-10) VM guests are linuxes, and our datacenter space is 90% non ...
0
votes
1answer
134 views

HA Options for Windows Servers

We are looking at different options to allow us to stay up and running when our primary datacenter (DC1) goes down for any reason. What is the main difference in having a offsite server updated all ...
-1
votes
1answer
100 views

Relying on shared disks for heartbeat

I read somewhere that using shared disks for heartbeats is reliable even if network totally fails. I read it in the context of remedy from split-brain. Is this correct? But I can not understand this. ...
1
vote
1answer
237 views

Can Windows cluster failover a custom TCP Server application even when Windows itself is working?

I develop a TCP server application that listens to a specific port. One of my users is asking me if my application can run on an active-active Windows 2008 Enterprise cluster. Having only almost no ...
1
vote
1answer
114 views

MySQL Cluster Failover doesn't work

I have two servers, where First server 10.100.15.150: 1. one mgm server 2. one ndbd 3. one mysql api Second server 10.100.15.160: 1. one ndbd 2. one mysql api When i start all 'parts' of cluster ...
6
votes
6answers
4k views

Cluster failover and strange gratuitous arp behavior

I am experiencing a strange Windows 2008R2 cluster related issue that is bothering me. I feel that I have come close as to what the issue is, but still don't fully understand what is happening. I ...
1
vote
1answer
239 views

SBD killing both cluster nodes when there are even small SAN network problems

I am having problems with stonith SBD in a openais-based cluster. Some background: The active/passive cluster has two nodes, node1 and node2. They are configured to provide an NFS service to users. ...
1
vote
0answers
284 views

Windows 2003 cluster: One node offline causes the cluster service on the other node to fail

I configured a 2 node cluster on 2 Windows 2003 machines with Exchange 2003 The resources: Majority node set Data volume Cluster IP Cluster network name Exchange 2003 system attendant (and all ...
-3
votes
3answers
563 views

How to failover to another web service automatically?

I've got a 3rd party off-the-shelf windows application that needs to connect to a Web Service (IP address or URL) installed onto another server (actually running on Windows 7 Professional). My user ...
1
vote
3answers
69 views

Building right system for my needs [closed]

I will be providing "File-Hosting" service and I need something that works with me along the line and allow the project to expand. At first I was thinking about one big server with RAID 5 as a ...
1
vote
1answer
121 views

Hyper-V Manager/Server failover/redirections

I have currently one Hyper-V Server 2008 R2 server installed, it's successfully running 4 VM's, but memory/RAM is starting to become sparse. I actually have a 2nd machine available, so my great idea ...
1
vote
2answers
149 views

Cloning IP address and/or MAC address for server fail-over

I am currently providing some web applications to my customers (apache/php/mysql on Windows server). I'm looking to provide some sort of fail-over server in the case my server has a hardware failure. ...
-1
votes
1answer
106 views

Active node stops resources when pasive node is shutdown

2 nodes, active/pasive. 2 resources, a virtual ip, openLdap, and the nfs mount where openldap saves the data. When both nodes are up, things worked fine. You could move resources away and put the ...
4
votes
2answers
4k views

How good is failover of the iSCSI target on a two-node linux san?

I'm evaluating the possibility to use two off the shelf servers to build a cheap iSCSI redundant SAN. The idea is to run linux, pacemaker, and an iSCSI target - something like the SAN Active-Passive ...
1
vote
1answer
867 views

Tomcat mod_jk cluster skip 404 http status

I am trying Tomcat Clustering with mod_jk for months and so far not so bad but facing a problem during deployment. I am using FarmDeployer to copy and deploy the WAR to other nodes in the cluster but ...
1
vote
2answers
637 views

keepalived questions (requirements, abilities, limitations)

1) What are keepalived's (physical/network) requirements? Does the two (or more) keepalived' nodes need to be connected to the same switch? (something related to broadcasting maybe). 2) Can ...
0
votes
1answer
1k views

How to enable an active/active file server cluster in windows 2008 r2 Enterprise

I've just created a cluster for my file servers in Windows 2008 R2 Ent SP1 environment. The goal - an Active/Active cluster for web server data How do I go about telling the cluster to be active for ...
0
votes
1answer
544 views

after split brain recovery filesystem not mounted

I have an active/passive high availability cluster with pacemaker+split brain. After split brain condition I use automatic split-brain recovery to recover my systems. The problem is that since file ...
2
votes
1answer
2k views

relation between heartbeat,openais,corosync

i am planning for high availability on lucid ubuntu, i started with drbd after a simple configuration on drbd I went to heartbeat and had a simple config on it too. on drbd official site a document ...
0
votes
1answer
69 views

what components need for clustering two windows 2008 server?

what are the basic requirement for clustering in windows 2008 server? 1.i mean which exact 2008 server licence 2. how can i connect two server what component i need for that? 3. what is minimum ...
1
vote
1answer
657 views

Windows Service automatic failover

I am implementing a Windows Service. The service will be installed in a cluster of application servers. Is there a way in the cluster functionality of Windows to set up active/passive failover for ...
1
vote
3answers
83 views

Windows Clustering Issue

We are setting up a SQL Server Cluster using the Windows Server 2008 R2 Failover Cluster. We created a cluster and added the first node to it. We then created a second server, but I believe that my ...
2
votes
1answer
2k views

Windows Server 2008 Cluster Errors

We have a couple dozen Win2008 and 2008R2 Enterprise clusters that are used for SQL Server 2008 and 2008 R2 Enterprise/Datacenter. In the past we have had many issues with random failovers and ...
0
votes
1answer
104 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 ...
1
vote
2answers
4k views

How to configure failover for JBoss AS 5?

I am currently an intern in my company. My boss basically wants me to perform a failover from a JBoss AS to another just for a proof of concept. Load balancing is not required as i am only required to ...
2
votes
4answers
3k views

Windows Failover Cluster for MSMQ without SAN?

Is it possible to create a 3 node Windows Server 2008 R2 failover cluster without a SAN? Our goal is to create a clustered MSMQ without any single points of failure. Ideally, the stored messages ...
0
votes
2answers
322 views

We need MySQL redundancy but replication is not an option

We have an app with some peculiar characteristics that prevent us from doing master-slave MySQL replication. It's something to do with random numbers being generated for each session and stored ...
0
votes
1answer
304 views

SQL Failover Cluster Management — dealing with the “cluster network name is not online”

Viewing a failover configuration in the SQL Failover Cluster Management tool, I can see via a succinct warning message that "The cluster network name is not online". Everything about the cluster ...
1
vote
1answer
52 views

Moving a single Windows 2008 box to a clustered implementation?

I have a system that currently runs on a single box, Windows 2008 Enterprise. This is just used as a web server. What is involved in creating a cluster? Basically doing this for availability ...
2
votes
2answers
1k views

What is the best way to create a failover cluster for my IIS website?

Our eCommerce website currently runs on two servers: SQL server: 2005 x 86 on Windows Server 2003 Standard x86 with a single dual core processor and 4 gb of memeory IIS server: Windows Server 2008 ...
1
vote
0answers
704 views

Failover Cluster Quorum Failing

I have two nodes which boots from iscsi to implement windows 2008 cluster. And I'm using disk majority option as quorum over iscsi. But when the quorum's iscsi connection failed(May be san server ...
8
votes
3answers
12k views

nginx automatic failover load balancing

I'm using nginx and NginxHttpUpstreamModule for loadbalancing. My config is very simple: upstream lb { server 127.0.0.1:8081; server 127.0.0.1:8082; } server { listen 89; ...
1
vote
1answer
803 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
1answer
400 views

IIS7 failover cluster across datacenters

I have servers in two different datacenters with each datacenter getting static IPs. What I would like to do is setup the servers as IIS7 servers and allowing them to failover from datacenter to ...
0
votes
1answer
680 views

How do you manage private queue permissions on a windows server 2008 cluster?

On windows server 2003 there was an option to allow a resource to interact with the desktop, this allowed you to run computer management mmc snap-in on the virtual name of the cluster, allowing you to ...
1
vote
1answer
643 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 ...