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1answer
22 views

Avoiding a Single Point of Failure with link aggregation

I have a requirement for a system with no Single Point of Failure. The client have offered two Ethernet cables per server. Each of the servers will connect into their network, however I want to ...
0
votes
1answer
26 views

What happens when Core Cluster Group is failed over to another node? Will it take the whole cluster down? Single point of failure?

http://bit.ly/1lKJFIa "Cluster group" fail-over will cause cluster go offline. Really? Single point of failure? Am I missing something? What happens when Core Cluster resources (Cluster Group) are ...
2
votes
1answer
116 views

What are the options for a HA system?

I'm looking into creating a HA Linux machine for my client's website. What are the main options I have, or a place/article where I can find out more? I would LOVE if it was a single-image, too, so ...
-2
votes
1answer
24 views

Is MOSIX the easiest way to build a redundant system?

I'm trying to figure out the easiest way to build a server with HA. I looked into Linux-HA, Heartbeat, Mesos. I then found MOSIX. I don't know if it's a thing from the past that no one uses, but ...
0
votes
1answer
18 views

Extract Summary property from VMM with PowerShell

I have a Windows Server 2008R2 running SCVMM 2012. I successfully removed a virtual machine, according to the Jobs output from VMM, as seen in this screenshot. As you can see, the VM has a red ...
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0answers
21 views

Creating file server failover cluster

I'm in the process of setting up a new file server cluster with a shared iSCSI disk. I've been through the setup of iSCSI and MPIO and the disk has been initialized, formatted and brought online. ...
3
votes
1answer
39 views

How can I verify whether a Windows cluster has previously been successfully validated?

As part of an automated SQL Server installation process, I'd like to programmatically check whether a Windows Failover Cluster has already been validated. There are some ways to validate the cluster ...
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0answers
28 views

Windows 2003 Cluster IP Conflict during failover. Possible Spilt Brain Syndrome?

I would like to ask if anyone had a case of IP Conflict on the Virtual Cluster IP Address resource occur ? It was observed that both Windows cluster nodes presented the Virtual IP address resource ...
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vote
1answer
25 views

Is it possible to set up load balancing and failover simultaneously?

Suppose I have two ColdFusion servers(different machines) running the same application. Now I am bit confused between load balancing and failover techniques. As per my knowledge, FailOver Cluster: ...
1
vote
1answer
77 views

Does ColdFusion single server clustering using multiple instances provides any performance enhancement?

I have few doubts regarding Coldfusion clustering. Is there any benefits of Creating multiple instances of a single ColdFusion server, Create a cluster by adding those instances and host the ...
0
votes
1answer
97 views

How to set up cluster with SESSION replication in Coldfusion 10?

I am not able to set up a cluster with session replication. I have successfully set up a cluster with sticky session. When googled I found a lot of links explaining the same issue, like ...
1
vote
3answers
764 views

Dell VRTX - slow cluster shared storage

I have a brand new Dell VRTX box set up as a Failover Cluster running HA Hyper-V virtual machines. This is my first time setting up clustering, and my first time with one of these boxes, so I'm sure ...
1
vote
1answer
59 views

How to make Nginx fire 504 immediately is server is not available?

I have Nginx set up as a load balancer with cookie-based stickiness. The logic is: If the cookie is NOT there, use round-robbing to choose a server from cluster. If the cookie is there, go to the ...
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0answers
37 views

Got “page isn't redirecting properly” issue In mod_jk clustering

I have installed two jboss AS 7 servers on two different machines and i start these two by switching standalone-ha.xml configuration. Also i installed an apache httpd server in one of theses machine ...
1
vote
1answer
115 views

IIS Shared Configuration Share for Cluster FTP Service on Server 2008 R2

Microsoft gives the following order for setting up the Clustered FTP (after installing IIS, FTP Service, and setting up your Cluster): Set up a file share that will be used for IIS Shared ...
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0answers
38 views

MSTDC in SQL Server 2012 - Windows Server 2012 R2 with high availability

We had implemented SQL Server High Availability on two physical servers over the VPN network. SQL Server 2012, Windows Server 2012 R2. It was noted that, Distributed Transaction was working perfectly ...
1
vote
1answer
955 views

How to delete a Virtual Machine from Hyper-V Failover Cluster

I have a Hyper-V 2008 R2 failover cluster with 3 nodes. I added new 3 Virtual Machines to the failover clusters, one of them failed with errors: Event ID: 1069 Cluster resource 'Virtual Machine ...
2
votes
2answers
89 views

When to employ server failover in a virtual environment

This question kind of got me thinking about fault tolerance in DHCP, so I did a little digging in my current environment and discovered that we only have 1 DHCP server per major site in our company ...
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0answers
40 views

Getting the DB2 Resource online in Failover Cluster

I'm using DB2 10.1 Enterprise Server Edition on Windows Server 2012 R2 After adding the DB2 resource to the cluster using the db2wolfi command, I go to the resources tab which is in the cluster ...
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0answers
102 views

SQL2008 R2 BackupDirectory - Cannot access the specified path or file on the server

I've recently added extra SAN storage space to our SQL2008R2 server (Failover Cluster with 2 nodes). With that I've edited the follow registry entry from I: to K: and moved the existing backup folders ...
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vote
3answers
65 views

Is it possible to Migrate Live VMs from a Windows 2012 Hyper-V Cluster to a different 2012 R2 Cluster?

At the moment I'm in a bit of dilemma because I know that Windows 2012 supports "Shared Nothing Live Migration" but recently I got to know that this feature is available for stand alone Hyper-V ...
0
votes
1answer
60 views

How can I quickly relocate an entire virtual machine to a new location?

We are using Hyper-V in a clustered Server 2008 R2 environment with 3 identical hosts. Virtual machines are stored on cluster shared volumes (CSV's) on a SAN backend connected via iSCSI. What is the ...
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0answers
174 views

Cluster Shared Volumes offlining under excessive use

I am trying to understand (and ideally fix) a particularly annoying phenomenon I've noticed with Failover Clustering and Cluster Shared Volumes in conjunction with Hyper-V. It appears that under high ...
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0answers
84 views

Cannot sent messages to Clustered MSMQ resource using NAT IP address

I'm running MSMQ as a clustered resource on a Windows Failover Cluster. We want to send messages to the queue over HTTP using a NAT IP Address for the queue. On a non clustered environment, this ...
0
votes
1answer
662 views

Windows Server 2008 R2 cluster, MSDTC issue

We recently installed MS Windows Server 2008 R2 EE on two physical IBM System x3550 M4 server and this cluster hosts Biztalk resources on it. MSDTC was configured prior to Biztalk resource were added ...
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2answers
384 views

Starting a service in a corosync pacemaker failover cluster

first off all my setup 2 VM running Fedora 19 in a pacemaker/corosync failover cluster, they have 1 cluster IP 1 VM running Fedora 19 monitoring both VM's with nagios Right now nagios is running on ...
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0answers
153 views

Exchange 2013 DAG Cluster Errors on non-owner node (eventid 1231)

We have a simple 2 node DAG setup with the nodes in 2 different sites. The DAG seems to be working fine, with mailbox databases moving back and forth between servers on-demand without issue. Seeding ...
1
vote
1answer
526 views

Can't start VM on Hyper-V 2008R2 cluster

I have a Server 2008R2 Hyper-V cluster with 2 nodes. They use a CSV on a SAN. I use SCVMM to manage them. We recently had several crashes that caused a failover, making virtual machines die and ...
1
vote
1answer
142 views

How can I speed up automatic failover of a Hyper-V 2012 cluster?

When I first setup a 2-node Hyper-V 2012 cluster, the failover was pretty much instant. I had a Sql Server 2012 (on Win2012) VM with 8GB RAM allocated to it. I could bounce the node it was living on, ...
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0answers
298 views

windows2012 failover cluster + storage. Considerations

We plan to build a failover storage with Windows2012r2. There will be 2 or 3 physical machines with 2 virtual machines on each server. One virtual machine building a failover, second one being storage ...
0
votes
2answers
61 views

Windows Sever 2012 failover clustering: difference in max number of virtual and physical nodes

As far as I know there is a following limitation for maximum number of nodes in Windows Server 2012 failover clustering: 4,000 VM nodes or 64 physical nodes. Apart from apparent difficulties / ...
0
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0answers
275 views

SQL Failover Cluster Resource DNS Registration Failure

I've got a cluster I migrated from one location to another (new IPs). I've moved a few other clusters like this recently with no issues. This recent cluster all came up fine except one 2012 instance. ...
0
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1answer
83 views

Is there some kind of load balancing happening in a Hyper v fail over cluster?

I am still reading up on Hyper V clustering and there is something fundamental I am not understanding. Windows Fail-over Clustering is supposed to be for high availability only- not load balancing. ...
0
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2answers
199 views

windows 2012 failover cluster, system validation, and storage spaces

I have two host servers with Windows 2012 Hyper-V installed. I have also configured File and Storage Services with one Storage Pool, one Virtual Disk on each server. I used Star Wind SAN for Hyper-V ...
3
votes
1answer
413 views

Does dynamic quorum with Windows Server 2012 clusters make quorum configuration types irrelevant?

There are several quorum types: Node Majority,Node and Disk Majority,Node and File Share Majority,No Majority: Disk Only I did not modify any quorum settings when setting up a Server 2012 R2 cluster ...
0
votes
1answer
96 views

Change network used by cluster traffic types with powershell

I was reading this technet blog post about Windows HA cluster traffic types. It explains how to change the metrics of cluster traffic types with the cmdlets, but for settings like “Allow cluster ...
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votes
2answers
201 views

Hyper-V File Server Clustering - at my wit’s end [duplicate]

I am at my wit’s end with File Server clustering under Hyper-V. I am hoping that someone might be able to help me figure out this Gordian Knot of a technology that seems to have dead ends (like ...
1
vote
3answers
258 views

make scheduled task active/passive cluster aware

I have 2 nodes using win server 2008 r2 in my active/passive cluster setup. They have the same set of scheduled tasks and i want them to run only when the node is active. Does Windows support ...
2
votes
0answers
42 views

SQL Failover Cluster IP Migration

I have a four node cluster setup which I need to migrate from subnet A to subnet B. The cluster has roughly 12 instances running on it. I've found articles to update the SQL Cluster IP, but I've got ...
-1
votes
1answer
62 views

Why clustered windows service doesn't authenticate to share with machine name when share is resident on same node of cluster

I have a windows 2012 failover cluster set up with multiple roles, one file share role, and another a generic role for hosting Generic windows services configured to logon as Network Service. The ...
2
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0answers
158 views

TeamCity (or Jenkins) with Cluster/Replicated servers

We use Team City 7 for Continuous Intergration. Sometimes I need to bring down the server for maintenance which stirs up complaints. Is anyone using a cluster for these types of servers where there ...
1
vote
1answer
352 views

powershell Test-Cluster cmdlet: Access is denied. HRESULT: 0x80070005

I joined two hyper-v servers to a domain and added shared storage to both of them. From what I read I should be able to run the test-cluster cmdlet at this point for it to check the configuration, but ...
0
votes
1answer
94 views

failover cluster file replication

I have a Windows 2008 R2 failover cluster server. I am going to move one of our window services onto this new server. The service writes some trace information to a log file on the local harddrive. ...
0
votes
2answers
50 views

where to put core services in two-node cluster

I'm currently configuring two-node HA cluster based on CentOS with DRBD. Most services are packed in virtual machines with migration available. I have not made decision where to put some core ...
0
votes
1answer
103 views

Windows failover cluster - virtual node with multiple Client Access Names

I recently encountered a customer environment in which they had failover cluster where one of the virtual nodes had more than one 'Client Access Name' (i.e. more than one IP address and DNS name for ...
1
vote
1answer
125 views

How to make clustered storage available from SAN to Hyper-V for two node cluster

I want to make a 2 node SQL Server 2012 cluster. Both nodes are virtual machines running Windows Server 2012 on Hyper-V. I have a physical SAN available which I can use for clustered storage so I was ...
0
votes
0answers
74 views

Exchange 2010 DAG Cluster drops

I have a Windows 2008 SP2 2-node Exchange 2010 DAG with SP1 UR8 on vSphere 5.1. Both nodes are on the same local VMware host cluster. I have been getting what seems to be a random, temporary network ...
0
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1answer
70 views

Windows Cluster - Moving a node to different network

I have a 3 node SQL always on cluster running , is it possible to move a node to different network(subnet) without evicting & creating the node again.
4
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1answer
153 views

DRBD for HA Server in Small Office Questions

Backround: We are in need of a HA server in a small office environment and are looking at DRBD to provide it. We only have about 100GB that needs to be on the HA server and server load will be ...
0
votes
1answer
43 views

Two SQL Failover Clusters in two-node failover servers

I need 2 SQL Failover clusters: Core Database Cluster: this contains all of my core application databases Analytic Database Cluster: this contains my web analytic database Now, I only have 2 ...