0
votes
0answers
185 views

Cannot ping Windows Cluster Nodes with Cluster IP on same subnet

I am facing a strange problem here, I have a 2 Node cluster, Node A and Node B. I cannot ping Nodes one another in MSCS Cluster with the Cluster IP even if they are on same subnet. I can ping one ...
1
vote
1answer
90 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 ...
0
votes
0answers
51 views

Number of public ips for wackamole

I am trying to configure a highly available cluster consisting of three boxes with public ips. How many public IP addresses will I require for this? Can I configure spread on a private NIC and manage ...
0
votes
0answers
957 views

Network configuration to specific needs - proxmox ve 2.3

I have a proxmox cluster with : - Physical host A - Physical host B - Virtual host C for HA Between Physical hosts, I have a lvm drbd shared for the VM (Primary/Primary; Sync is OK). For each ...
2
votes
4answers
339 views

Newbie questions on MAC and high availability failovers

I am reading about High Availability and I can not understand the following I read: On failover the primary IP migrates to the backup server BUT so must the MAC address. Specifically I read that ...
0
votes
3answers
83 views

Multiport NICs in servers and clusters [closed]

I wanted to know are multi-port NICs common in server systems? E.g in clustering are they used always?
-1
votes
1answer
102 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. ...
3
votes
1answer
983 views

How do I network this Windows Failover Cluster and MongoDB Replica Set? (diagram inside)

As you can see, my two Windows Server Failover Cluster (WSFC) nodes have three network interfaces each, which connects them to three different networks : A public network A private network ...
1
vote
0answers
63 views

trying to understand network layer(s) in WebAPI server cluster

I'm in the process of building my first webAPI server cluster. The webAPI hosted by this cluster provides a hi-comute resource, where each task request requires between 0.5 and 1.0 seconds of CPU ...
0
votes
2answers
244 views

wall command + broadcast message not appears on second cluster machine

I have two cluster solaris machine ( machine1 , machine2 ) I have connection between two machines ping and ssh work fine ( cluster is fine ) more /var/tmp/mesg TEST I execute the following ...
0
votes
1answer
308 views

How to route, using Linux, from nested private subnets to internet [closed]

In our departement we have a blade system with one master node and four slave nodes that are connected to the master node. The system uses its own subnet (192.168.1.x) and only the master node is ...
3
votes
1answer
601 views

Shared Block Device File System (iSCSI)

I wanted some advice on a file system to use on across 5-10 servers that have a shared block device (iSCSI), GlusterFS and LusterFS seem to be it, but they dont say anything about shared block device ...
0
votes
1answer
222 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 ...
1
vote
1answer
524 views

Small fast network with Mac mini server and Promise Pegasus?

I have 7 Mac Pros and iMacs that need to be connected to the same storage. I'm doing non MPI-based numerical modeling so the transfer rates have to be fast but not infiniband fast. I'm considering a ...
3
votes
1answer
296 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 ...
-3
votes
1answer
774 views

How to make high performance cluster out of 2 laptops I have at home [closed]

I have 2 laptops at home. Could someone please suggest some free cluster softwares using which I can make a HPC out of these 2 laptops so that when working on one of the laptop, I can use RAM,CPU of ...
1
vote
2answers
786 views

What's the difference between Clustering and Load Balancing?

In Server 2008 R2 you can create a cluster of computers, which as I understand provides fail-over if a server dies. With Network load balancing I beleive this "offloads" some of the load to other ...
1
vote
1answer
847 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 ...
0
votes
1answer
419 views

Multi-Boot through IPMI possible?

I want to setup a cluster. On each machine Windows XP and Linux should be installed and the OS should be selectable by a boat loader (e.g. grub). All machines have IPMI cards. Is it possible when ...
13
votes
4answers
4k views

Managing an application across multiple servers, or PXE vs cfEngine/Chef/Puppet

We have an application that is running on a few (5 or so and will grow) boxes. The hardware is identical in all the machines, and ideally the software would be as well. I have been managing them by ...
3
votes
5answers
2k views

one fast VM on many slow hosts?

Is there any VM host software that supports a host-cluster, where it sums all (physical) RAMs to one big (virtual) RAM, and maps the many host-CPUs (in many PCs) to some (virtual) multi-core setup? ...
0
votes
4answers
508 views

My DHCP server cant connect to the internet

I have a cluster of three ubuntu desktops. They're all plugged into a switch, and I have one cable running from the switch to the internet (it's on my schools network). One is set up as a DHCP to ...
3
votes
7answers
195 views

Software for Utilizing Idle Workstations on Network

I work at a company that maintains a network of about 200 Windows XP workstations, and several of them are on (locked or logged out) with an idle processor and 2GB of RAM that is just sitting there. ...