The clustering tag has no wiki summary.
-1
votes
1answer
38 views
Windows 2008 r2 2 node cluster - one node unavailable
I have 2 node Windows 2008 r2 cluster, i failed over service onto node2, restarted node1, and after restart node1 is unavailable. The networks interfaces will not come up and both interface are ...
0
votes
0answers
10 views
What's the best way to manage product images in a Magento Cluster?
I'm running Magento CE on multiple web node.
The Admin Backend is always running on the same server, so all the images are uploaded on this server. On my
0
votes
0answers
32 views
Do I need an SQL Server 2012 / Windows Server 2012 Upgrade Insurance? [closed]
We are a small SaaS company that has until recently participated in Microsoft's Bizspark program. Now that our Bizspark subscription is over, we have a time-limited oppurtunity to buy discounted ...
0
votes
0answers
14 views
SQL Server Cluster Failover Making DB Inconsistency Error [migrated]
I encountered the following DB tables inconsistency error whenever I do a cluster 'move' over from Server-A to Server-B and then do a DBCC CHECKDB on the database in Server-B:
SQL Server detected ...
1
vote
1answer
50 views
Configuring transactional MSMQ on load-balanced servers
I've got a solution running on a single server right now that uses transactional private queues (msmq/wcf). Windows services consume and process messages on the queues, and the web application layer ...
1
vote
0answers
22 views
Resources for setting up clustered FTP servers on CentOS?
Does anyone have any resources that can lead me to a how-to or at least more information on setting up clustered FTP servers on CentOS?
I'm very new to servers in general (all I've done is set up a ...
4
votes
2answers
165 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 ...
0
votes
0answers
39 views
Unable to send message through cluster sender - Tomcat 6
We have 2 Tomcat 6 servers in a cluster. Occasionally we get this error, say after every 4 days:
INFO | jvm 1 | main | 2012/01/15 17:43:26.586 | SEVERE: Unable to send message through ...
0
votes
1answer
56 views
Clustering TCP servers, so can send data to all clients
I'm developing a real-time mobile app by setting up a TCP connection between the app and server backend. Each user can send messages to all other users.
(I'm making the TCP server in Python with ...
0
votes
1answer
83 views
Clustered file system on Linux
This is quite a general question but I need some advice on clustering apache linux servers ideally on VM.
I have some apache servers that are being using that are highly used on space (i.e. each ...
1
vote
2answers
42 views
Clustering on Virtual Machine
Can you cluster/load balance on a virtual machine? I figured that would be redundant if the same machine is still performing the work but in virtual areas, or am I wrong?
1
vote
1answer
91 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 ...
0
votes
0answers
43 views
Multiple host and cloud network between them, how to properly setup gateway and dnat?
this is the actual configuration:
Host1 (public ip1)
Host2 (public ip2)
each host has these interfaces
bridge vmbr1 (ip 10.8.0.1 on host1, 10.8.0.2 on host2)
bridge vmbr2 (ip 192.168.1.1 on both ...
0
votes
1answer
199 views
Load Balancing and Clustering using mod_proxy_ajp on Apache HTTP Server 2.2.21 and Tomcat 7.0.23
I've been struggling to make load balancing and clustering working using these combination:
Apache HTTP Server 2.2.21 (httpd-2.2.21-win32-x86-openssl-0.9.8r) using mod_proxy_ajp with sticky session ...
0
votes
1answer
35 views
Is it possible to install SQL instances with different Collations in a SQL Cluster
We have a two node active-active SQL Server 2008 Cluster. Running on Windows Server 2008 R2.
The three excisting instances have Latin1_General_CI_AS as the Server Collation. I need to add an instance ...
0
votes
1answer
37 views
Glassfish 3 Cluster and Local init scripts
I'm trying to set-up a Glassfish 3.1.1 Cluster for testing purposes.
Currently, I've got 2 hosts with Glassfish 3.1.1 installed.
I've set-up a DAS domain on host1, and followed this guide to create ...
1
vote
3answers
37 views
Setting up Tomcat on shared drive for clustered environment
We have a production environment with externally load-balanced Tomcat servers running on multiple servers, serving HTTP requests and maintaining stick sessions.
Due to lack of complete build and ...
3
votes
2answers
110 views
Clustering F5 Big-IP Devices; Is it Possible?
I developed a web application. It will run on a farm of five IIS servers. It's absolutely essential that once a session is established with a server in the farm, further HTTP requests within that ...
0
votes
1answer
80 views
Network GURUs - IP failover combined with load-balancing… Is there such software? Is it possible?
I've been playing around with high-availability solutions for a few days and so far I find UCARP very useful for IP fail-overing.
It's dead simple and does the job.
I was thinking about taking it a ...
0
votes
2answers
57 views
Best practices to build a scalable Java webapp
We got this JavaEE WebApp (JSP+Struts+Hibernate+MySQL) which currently is running on a single server. Due to growth of the website and performance issues we've decided to cluster the project on some ...
0
votes
0answers
44 views
gpfs: adding a new nsd server to a cluster
I have a gpfs cluster composed by 10 linux nodes, managed by a primary server A, which also act as nsd server for a first stack of disks.
I attached a new jbod to one of the nodes (call it node B), ...
0
votes
3answers
172 views
Red Hat cluster: Failure of one of two services sharing the same virtual IP tears down IP
I'm creating a 2+1 failover cluster under Red Hat 5.5 with 4 services of which 2 have to run on the same node, sharing the same virtual IP address. One of the services on each node (called disk1 and ...
-1
votes
2answers
44 views
Good Linux disaster-ready filesystem?
I'm working on this emergency open wi-fi network project and it includes a local website (nginx + MySQL). In order to eliminate SPOFs, we're going to setup at least two of everything (server, switch, ...
0
votes
2answers
120 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 ...
1
vote
2answers
76 views
Webmin Cluster Copy Protocol
Just toying with a clustered server farm for fun (as you do) and experimenting with Webmin and its 'clustered' modules.
It has a feature that can copy files from one server to another on a repeating ...
0
votes
2answers
91 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 ...
0
votes
2answers
120 views
Monitoring Tool for monitoring the health/uptime of my servers in the cluster (windows)
Are there any recommendation on free monitoring tool for windows? We don't need sophisticated tools. We just need to monitor the "health/status" and uptime of our database, load balancer and server.
...
0
votes
1answer
67 views
Ricci timeout issue
I'm just playing around with Conga and it looks very neat... if only it worked well enough!
It was working great when I was setting up the cluster. I could click around all over the Luci interface ...
0
votes
2answers
77 views
loadBalancing/clustering on IIS/ASP.Net/SQL Server
I've to create an offer for a future ASP.NET application. They wants an high availability(99.9%+).
So I'm searching the best solutions with .Net technologies(asp.net mvc 3, IIS 7, SQL Server 2008 R2) ...
0
votes
2answers
152 views
How can I make a high available tomcat cluster with no single point of failure?
I've surfed the web and tried to find a way in order to make a tomcat cluster with no single point of failure , and all what I have found is that I need something called dispatcher which will be ...
3
votes
4answers
241 views
Load balanced Drupal servers: a good way to share data among the servers?
I'm trying to get an overview of how i would go about creating a load balanced web server setup. Setting up the actual load balancer and adding two or more web servers seems fair enough. However, I ...
2
votes
6answers
191 views
Running background jobs In a clustered environment
I have an architecture question. In a clustered web app environment, I can think of three ways to deal with background jobs:
have a dedicated machine run all the jobs, thus freeing the web servers ...
2
votes
2answers
191 views
Windows Cluster IP/Hostname doesn't respond to UNC requests, yet ping and RDP work
I have a Windows Server 2003 cluster of 2 nodes in an active-passive configuration. I can ping both nodes, rdp and access their unc shares.
I also have an alias, which directs to a cluster IP set ...
3
votes
1answer
61 views
How to change the Service Console subnet on an ESX cluster?
We have an existing VMware ESX 3.5 cluster (6 hosts, VI 2.5) and need to move the service consoles to a new subnet. We would like to do this without downtime for the VMs.
In my previous experiments ...
0
votes
2answers
295 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 ...
1
vote
1answer
215 views
How do I test load balancing in my LAN?
I recently posted a question regarding the issue of loadbalancing webservers on a budget. It's finally time to begin the testing so I thought about setting up two or more Ubuntu VM's in my LAN running ...
2
votes
1answer
574 views
Tomcat Cluster Farm Deployer issue
I have setup apache-tomcat cluster with mod_jk on ubuntu server. I have some issues with FarmDeployer which deploys war files to other web servers in the cluster and I got some hope that it works as I ...
0
votes
1answer
367 views
Farm Deployer not working in Tomcat Cluster
I have setup apache-tomcat clustering(Ubuntu Server) and I used tomcat supported clustering technique with mod_jk following the link. I've setup with One Load Balancer and Two web servers.
The major ...
0
votes
2answers
134 views
Is it possible to set up multiple named instances running on a SQl Server 2008 R2 Active/Passive Cluster?
I'm trying to plan a SQL Server 2008 R2 2 node Active/Passive failover cluster.
Is it possible to set up multiple named instances running on the cluster? e.g.
sqlcluster sqlcluster\demo ...
0
votes
1answer
147 views
Tomcat web application high availability
I have setup apache-tomcat clustering(Ubuntu Servers) and I used tomcat supported clustering technique with mod_jk following the link which is clear and easy to follow.
I did this in my LAN with ...
1
vote
2answers
114 views
SQL + Hyper-V cluster on the same hardware
We have 5 new Windows (2008 R2) servers on our disposal. We plan to configure them this way:
3 web servers running IIS and DFS-replication (load balanced)
2 SQL servers running SQL server 2008 R2 in ...
1
vote
2answers
45 views
MSSQL enterprise cluster - track of failovers
In an MSSQL Enterprise cluster where can I find a log of past fail over events (when they happened and which instances were re-assigned?)
4
votes
2answers
171 views
Filesystem redundancy + speed
Looking for some input and if anyone has conquered this problem with a solution they feel confident about.
Looking to setup a fault tolerant web environment. So the setup is a few nodes behind a ...
1
vote
3answers
147 views
Building a Cluster From 100 Machines?
Is there an open source software that will easily allow taking say 100 machines (each with Ubuntu Linux installed) and combining them into one BIG cluster?
This way, the user of the cluster will not ...
0
votes
2answers
54 views
Checking if server is alive and taking action if it isn't [closed]
Possible Duplicate:
What tool do you use to monitor your servers?
I am looking for a monitoring solution for a server farm. It should resolve following issues:
Detect if the host has ...
1
vote
1answer
142 views
Can't create clusters in PostgreSQL 9.0
I'm trying to setup and run multiple clusters of PostgreSQL 9.0 in the same Ubuntu/Debian machine. Debian has a package called 'postgresql-common' to facilitate managing database clusters. However, ...
0
votes
0answers
176 views
SolrCloud Zookeeper problem
Can I ask you to help me with SolrCloud?
I try to setup a SolrCloud with 2 shards (and 1 replica for each shard) with 4 Zookeepers, but it fails:(
My settings:
1) shard1 + Zookeper
without ...
0
votes
1answer
28 views
SQL Server 2005 and Windows Server 2003 - Cluster Logs
We have a active/active failover cluster. I am trying to find out if one of my resource group (SQL Server 2005) was automatically/manually flipped to another node at a given point of time. I have ...
0
votes
1answer
40 views
Is it possible to establish more than one load balancer with apache?
I've decided to cluster my J2EE web application using apache mod_jk as a front-end load balancer which redirects requests to a bunch of tomcat6 instances.
Something like this.
But there is a problem ...
4
votes
1answer
179 views
Recommendations for distributed processing/distributed storage systems
At my organization we have a processing and storage system spread across two dozen linux machines that handles over a petabyte of data. The system right now is very ad-hoc; processing automation and ...
