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-1
votes
0answers
5 views

GFS2 Filesystem without proper cluster

I have a two node RHEL cluster with two nodes. Due to restrictions from our hoster I'm not able to deploy a fully supported RHEL cluster as documented by Red Hat. Mainly I will not be able to setup ...
2
votes
1answer
65 views

Get-Cluster cmdlet fails when using -Name param

Summary When I call Get-Cluster powershell returns the name of my cluster. For simplicity sake, lets call it Cluster1. If I call Get-Cluster -Name Cluster1 it fails with an error. Error: ...
0
votes
2answers
821 views

Unable to connect to failover cluster

I have a 2 node failover cluster running on Windows 2008 R2. The cluster is functioning and I can failover services between the two nodes. All was working fine last week but now nothing can connect ...
3
votes
1answer
1k views

SQL Server 2008 R2 cluster, “available storage” shows “offline”

I've installed a SQL Server 2008 R2 cluster and I found the resource group "available storage" shows "offline" status. What does it mean? It seems I can't take it online. I tried to use the cluster ...
1
vote
0answers
24 views

How many MSDTC clustered services (if any) are needed for a multiple-instance SQL Server 2012 cluster?

I'm creating a new SQL Server 2012 cluster, running on 2 physical nodes (the O.S. is Windows Server 2012 R2); the cluster will host multiple SQL Server instances; the exact number is yet to be ...
5
votes
1answer
783 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 ...
2
votes
3answers
7k 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
0answers
31 views

IP Resource Errors While Building a Windows Failover Cluster on Azure

I have setup a failover cluster in Microsoft Azure on four VMs. I have two nodes in one subnet/region, one node in another subnet/region and a final node in a third subnet/region. The cluster passed ...
0
votes
0answers
34 views

Unable to create Hyper-V VM on SMB share

I'm trying to create a VM on Hyper-V 2012 R2 server and I'm getting this error: The server encountered an error while creating VMNAME The Operation failed Failed to create external configuration ...
1
vote
1answer
70 views

High Availability/Failover hardware hookup

I'm learning about clustering and high availability techniques, and stumbled upon an article about configuring a network with a pair of servers, using DRBD for replication and heartbeat for monitoring ...
0
votes
0answers
29 views

How to Identify disk in Windows Server 2012 R2 Failover Cluster?

I'm following this manual to create Hyper-V failover cluster. I'm using FC SAN Storage Array Disks as shared storage. During cluster creation three shared disk where available to nodes and was added ...
0
votes
0answers
45 views

SAN Storage Array in Hyper-V 2012R2 Failover Cluster - outdated file table info?

We have Dell MD3600f SAN storage array and two HP servers for VM failover clustering solution. MD3600f is set, disks are mapped and connected to Hyper-V servers. On Hyper-V's I have partitioned and ...
0
votes
1answer
39 views

How to run validate cluster test without taking cluster offline?

I'm trying to run "Validate a Cluster" wizard but when I selected Run all test it gave a warning that running storage test will result in role failure. What test can I run in Run only tests I select ...
6
votes
6answers
13k 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). ...
0
votes
3answers
84 views

Split a Scope Linux<=>Windows

Is it possible to create a DHCP Failover Cluster between a Linux(Ubuntu) based server and a Windows Server 2012R2 based server. My idea was to include a new data into the dhcp.conf data to exclude a ...
1
vote
1answer
64 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 ...
0
votes
1answer
50 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
35 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 ...
0
votes
1answer
58 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
134 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
44 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 ...
1
vote
3answers
2k 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 ...
0
votes
0answers
42 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
60 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 ...
2
votes
1answer
696 views

SQL Server 2012 Mirroring / AlwaysOn - need for SAN?

There appears to be a great deal of conflicting information about whether or not SAN is required for a Sql Server 2012 Mirroring setup. I currently have an Active-Passive-Witness SQL 2008R2 setup ...
1
vote
3answers
402 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 ...
0
votes
0answers
35 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 ...
1
vote
1answer
28 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
112 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
496 views

Cluster Aware Updating set up - VirtualComputerObjectName ignored

I am trying to set up Cluster Aware Updating, but it always fails with the following error: Add-CauClusterRole : Unable to create the CAU clustered role because a Network Name resource could not be ...
0
votes
1answer
251 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
1answer
128 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 ...
1
vote
0answers
66 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
219 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, ...
1
vote
1answer
277 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 ...
1
vote
1answer
2k 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
119 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 ...
1
vote
0answers
59 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 ...
1
vote
3answers
112 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
0answers
221 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 ...
0
votes
3answers
284 views

“Virtual” shared storage for SQL Server 2008 R2 Cluster

I am trying to set up a virtual test environment for a SQL Server 2008 R2 Cluster (2 nodes) running on Hyper-V. The cluster requires a shared storage to function properly, however in this test ...
0
votes
4answers
2k views

What are the ways to build a failover cluster?

I have a task where I need to build a failover cluster in two cases: first with servers on Red Hat Enterprise 5.1 and second with SUSE Linux Enterprise 11 SP1. Both cases have SAN. I know there are ...
0
votes
1answer
86 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 ...
0
votes
1answer
480 views

Dual Linux NFS Server Failover - nfsv4leastime / nfsv4gracetime

first time here posting, i hope i won't do many mistakes. I've a setup with 2 NFS server. They're using corosync/pacemaker + drbd to offer active/passive nfs server. Distro used is Ubuntu latest LTS ...
0
votes
1answer
1k 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 ...
0
votes
0answers
350 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 ...
0
votes
2answers
651 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 ...
0
votes
0answers
111 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 ...
1
vote
1answer
949 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 ...
0
votes
0answers
179 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 ...