General :: Create A 2 Node Cluster On Centos5.2 With A Dell MD3000 As A Storage?

Sep 8, 2010

I am (and still) trying to create a 2 Node cluster on Centos5.2 with a Dell MD3000 as a storage. However I am getting this when I try to probe for storages in luci: An error has occured while probing storage:

<?xml version="1.0" ?>
<dict name="result">
<var name="diff" type="num" value="24"/>
<var name="max_inactive" type="num" value="600"/>

[code]....

And I also get errors on /var/log/messages end_request: I/O error, dev sdf, sector 0 Buffer I/O error on device sdh, logical block 0

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CentOS 5 :: Implementing A Two-node Cluster With Shared Storage (GFS) And IP Address?

Jul 8, 2009

I am working on the beginning of implementing a two-node cluster with shared storage (GFS) and IP address. Both machines are virtual on VMware ESX 3.5, that should not make a difference, but that is the background.current status is that I have a single node cluster built with only the IP address configured within the cluster. The issue that I am having is that I have configured a service to contain only the IP address resource, however, when I go into cluster management that "service" does not register. As such, I cannot bring it online, ping it, etc. below is my cluster.conf configuration:

<?xml version="1.0"?>
<cluster alias="tmbackup" config_version="10" name="tmbackup">
<quorumd device="/dev/sdb1" interval="1" min_score="3" tko="10" votes="3">

[code]....

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Server :: Unable To Create 2nd Node In Redhat 5 Cluster?

Sep 17, 2009

I am trying to create a 2nd node from last couple of days but no luck.do this.I have gone through these article again and again:Here is my setup

node1 ( ricci + luci) : which is working fine
node2 (ricci only) : this is giving me problem
node1

[code]...

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Server :: Cluster Storage With The Rock Cluster Storage Operating System?

Jun 8, 2010

I am trying to do the cluster storage with the Rock Cluster storage operating system . I have install the rock cluster on the main server . and I want to connect the client with the PXE boot . when I starting the client then it boot from the PXE boot into the mode of compute node. but it ask the where is to be stored the I have give the path..then server says that not able to find the directory path.

Steps:-
1) insert-ethers
2) client is started with the PXE boot.
3) it detects the dhcp .
4) At last it demand where is to be started by cd-rom, harddisk ,nfs etc.

then I started with the nfs and I have given the lanIp of server.and server is detecting the client but client is not finding the filesystem directory. into export partition directory but it is not taking path.

PATH:-
/export/rock/install it is not finding this path then it is not able to start the o/s from PXE boot..Is there any solution and manual of rock or anyother solution then u can reply to me...

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Programming :: KSH Script Behaving Differently On An HACMP Cluster Node (prod) & A Single Node (UAT)?

Dec 16, 2010

I have created a simple menu driven script for our Operations to take care of the basic monitoring and managing of our production application from the back-end. Now, the script when tested in UAT environment was fine, but when deployed to production it kind of behaved oddly.hen the Operator chooses an option from the menu he is given the output and at the end is prompted to return to the main menu by using ctrl+c. In production, this return does not occur for some strange reason and the program just sits there.The session becomes unresponsive after that and I'm forced to terminated it by closing the PuTTY.I tried enabling the debug mode too (set -x) and still was not able to find any useful hints/trails as to why.

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Software :: Create A Cluster With Two Servers And One Storage?

Jul 14, 2011

I trying to create a Cluster Linux with two servers and one storage, I have mounted some filesystems in both servers, but, when I create a file on server (1), I don't see the file on server (2).

Is that a problem with the linux or storage configuration ?.

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CentOS 5 Networking :: Setup The Cluster To Automatically Failover The Service To Another Node Case One Node Fails?

Mar 1, 2011

I am familiar with windows 2008 cluster servers, and I just started testing with centos cluster. I am creating a simple 2-node cluster, for a simple ping test.

Node 1: 10.0.0.1
Node 2: 10.0.0.1
Virtual ip: 10.0.0.10

So far, I can ping a virtual ip, and manually relocate it between the nodes, but I didn't figure out, how to do this automatically. So this is my question: How can I setup the cluster, to it automatically failover the a service to another node case one node fails?

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Server :: Node Failover And Another Node Take Over Resources On HA Cluster?

Oct 27, 2010

I don't have much experience in clustering. And I'm deploying a cluster system on CentOS.But I don't know how long a node failover and another node take over those resouces to continue running service is good, fast or slow? 1s, 10s or

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General :: Error While Building A 3-node Cluster ?

Jan 6, 2010

I'm building a 3-node cluster. I have created ocfs filesystems and mounted them on the first two nodes. But while mounting them on the third node , i'm getting this error for 8 of the total luns. all these 8 luns are of 1GB size.

I've unmounted these 8 luns from the other node and tried to mount in the third node ... and then it was working and again the error occurs in the second node. My observation was for some reason these particular luns are not allowing the third node.

mount.ocfs2: Invalid argument while mounting /dev/mapper/voting1 on /voting1. Check 'dmesg' for more information on this error.

dmesg output was :

I'm using RHEL 5.4

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General :: Configure Two Node Cluster For Qmail-toaster?

Nov 20, 2009

I want to configure two node cluster for qmail-toaster?? My idea is.. if one server hardware gets failed it should transfer/migrate service to other qmail-toaster server with all settings like ... domains/users/password etc etc.

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General :: Install Redhat Os On Cluster Node Via Remotely Or Nfs?

Mar 18, 2011

I was given task to install redhat linux os on one of the compute node on server which doesn't have cd/dvd drive or usb port.I have installation media as well ISO image. This server is on network, so I can access it via my PC which is running window 7.I think, I have 2 choice to install:1. Copy iso image to head node on server and then install linux os on compute node via nfs.r2. Use my PC dvd drive to install linux on compute node via network.But I don't know how to do it.

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Red Hat :: Piranha With 2 Node Cluster?

Oct 2, 2009

after few days of hard work about redhat cluster and piranah, i have done 90% hopefully,but i am stuck with iptables rulesi am attaching full piranah server screen shot of my network .please have a look and please tel me, what else to do in piranah server ...a) from firewall (Lynksys) what ip shall i forward port 80 ?? ( 192.168.1.66 or 192.168.1.50 ??)b) Currently its looks like http request is not forwarding from Virtual server to real server , what iptables rules shall i write ?(Please have a look to iptables rules)also, this link for my piranah server setupi guess i am stuck somewhere where i need some experts eye to catch it upso please look at the all the pictures , ifconfig and iptables rulesifconfig :

ifconfig
eth0 Link encap:Ethernet HWaddr 00:0F:3D:CB:0A:8C
inet addr:192.168.1.66 Bcast:192.168.1.255 Mask:255.255.255.0

[code]...

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Server :: LVM On 2 Node Cluster - Getting Error

Oct 26, 2010

I am having an issue with LVM on a 2 node cluster. We are using powerpath for external drives. We had a request to increase /apps filesystem which is EXT3.

On the first node we did:
pvcreate /dev/emcpowercx1 and /dev/emcpowercw2
Then....
vgextend apps_vg /dev/emcpowercw2 /dev/emcpowercx1
lvresize -L +60G /dev/apps_vg/apps_lv
resize2fs /dev/apps_vg/apps_lv
Everything went on well , we got the /apps increased. But on the second node when I do pvs.

I am getting following error:
WARNING: Duplicate VG name apps_vg: RnD1W1-peb1-JWay-MyMa-WJfb-41TE-cLwvzL (created here) takes precedence over ttOYXY-dY4h-l91r-bokz-1q5c-kn3k-MCvzUX
How can I proceed from here?

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General :: Install CentOs5.5 On A New Dell Without Operating System?

Feb 23, 2011

I will receive a new Dell without any operating systems. I will need to install CentOS-5.5 on this machine. How can install it? What files do I need to download?

My computer will have no OS installed. Which is the easiest way to install, using CentOS-5.5-i386-LiveCD-Release2.iso or CentOS-5.5-i386-bin-DVD.iso? What are the basic procedures?

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Red Hat / Fedora :: CentOS 5.4 GFS2 - 3 Node Cluster

Feb 19, 2010

I have lack of understanding of CentOS in general. I have looked for a remedy on other forums and google, but haven't been able to find the answer. I have a 3 node cluster that was functioning great until I decided to go offline for awhile. My config is as follows:
node 2: vh1
node 3: vh2
node 4: vh6
All nodes connect to a common shared area on an iscsi device (vguests_root)

Currently vh2 and vh6 connect great, however since putting the machines back online I can no longer connect with vh1. A dmesg command on vh1 reveals the following:
GFS2: fsid=: Trying to join cluster "lock_dlm", "Cluster1:vguest_roots"
GFS2: fsid=Cluster1:vguest_roots.2: Joined cluster. Now mounting FS...
GFS2: fsid=Cluster1:vguest_roots.2: can't mount journal #2
GFS2: fsid=Cluster1:vguest_roots.2: there are only 2 journals (0 - 1) .....

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Red Hat / Fedora :: Setup Two Node HTTP Cluster?

May 5, 2011

I want to setup two node http cluster,

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Server :: Build A 2 Node Failover Nfs Cluster?

Feb 9, 2011

I am using Centos. I have read places that you can use Drbd + heartbeat + nfs to make a simple failover NFS server.I can't find any document that works though. I've tried 20 or so, including some Debian ones.So, does anyone have any other ideas of how to do this?Point me in the right direction please.I want 2 nodes. One to be actively serving an NFS share The other to be ready for failover. If the first one goes out, the second takes over.Meaning, the filesystem is in sync, the IP must change, and NFS must come up

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Server :: Redhat Cluster Is Not Moving On Second Node?

Oct 25, 2010

I have two node redhat cluster for mysql database.The problem is that after updating the packages on both of the nodes after and previously the sevices was not able to relocated on second one , even rebooting the server the problem occurs.While starting the service on second node it started on the first one.Other services are running fine on both nodes.I have checked the /etc/hosts, bonding and many more files and seems to good.find the log for reference.

<notice> Starting stopped service service:hell
Oct 22 14:35:51 indls0040 kernel: kjournald starting. Commit interval 5 seconds
Oct 22 14:35:51 indls0040 kernel: EXT3-fs warning: maximal mount count reached, running

[code]...

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CentOS 5 Server :: 2-node Non-shared-FS Cluster On 5.2/3?

Apr 15, 2009

I'm having some trouble configuring clustering in a 2-node cluster, with no shared FS. Application is video streaming, so outbound traffic only...The cluster is generally ok - if I kill -9 one of the resource-applications, the failover works as expected. But it does not failover when I disconnect the power from the service owning node (simulating a hardware failure). clustat on the remaining node shows that the powered-down node has status "Offline", so it knows the node is not responding, but the remaining node does not become the owner, nor start up the cluster services/resource-applications. eth0 on each node is connected via a crossover cable for heartbeat, etc. Each eth1 connects to a switch.

[root@lmshw01 ~]# cat /etc/cluster/cluster.conf
<?xml version="1.0"?>
<cluster alias="lmshw-clust" config_version="35" name="lmshw-clust">

[code].....

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CentOS 5 Server :: Cluster Node Does Not Want To Cooperate

Sep 30, 2010

I have a two node cluster, and a third system which has luci installed.

node1 is nfs0
node2 is nfs1

both nodes have identically the same configuration. They have a fresh installation of Centos 5.5 + yum update. I am unable to join nfs1 to the cluster, as it is giving me the following issue:

Sep 29 23:28:00 nfs0 ccsd[6009]: Starting ccsd 2.0.115:
Sep 29 23:28:00 nfs0 ccsd[6009]: Built: Aug 11 2010 08:25:53
Sep 29 23:28:00 nfs0 ccsd[6009]: Copyright (C) Red Hat, Inc. 2004 All rights reserved.

[code].....

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Server :: Cluster Configuration On Two Node In Linux 5.3_64 Bit?

Mar 10, 2010

Newly trying cluster configuration setup on RHEL5.3_64 bit machine.Basic Requirement :Need to Configuration GFS file systemHerewith I have shared details:

System : > I have 2 HP proliant Dl385 server.
> Both system are connecting on Public network. (eth0)
> I have connected eth1 - directly each other system like a Private Network (May be I am

[code]...

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Server :: Run Graphical Application On The Rock Cluster Node?

Jun 14, 2010

I am trying to rock cluster for the large computing. my all slave node connected with rock cluster master node. but I want to run the graphical application on the cluster node. I am not getting this point .

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CentOS 5 :: Can't Find Local Node Name In Cluster.conf

Apr 21, 2009

Using google with search option: cman not started: Can't find local node name in cluster.conf /usr/sbin/ cman_tool: aisexec daemon didn't start.I found this URL...I have found the config_version in cluster.conf. Unfortunately, as everyone may have noticed, english is not my native tongue so I am having trouble understanding the part "Make sure you bumped the cluster config version number". Can anyone enlightened me on what should I be doing so that I could "bump" the cluster config version?

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Fedora Servers :: Build A 3 Node Web Server Cluster To Run A Php Application ?

Feb 24, 2011

I need to build a 3 node web server cluster to run a php application. Since the app requires users to login (which means a session state is to be maintained), I will be sharing sessions save path, I also need to share the application directory across 3 nodes. I having trouble deciding which cluster file system to select.

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Ubuntu Servers :: How To Setup Based Cluster Configuration For Each Node

Jun 27, 2010

I need to setup an linux cluster ..so i prefer ubuntu because of support and i personally i use ubuntu.. and can any one explain in breif ..what all the things needed to setup an ubuntu based cluster my configuration for each node will be (totally 6 nodes) core2 duo with 4 gb ram i need 4 nodes and 2 for load balancing..

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Red Hat / Fedora :: Cluster Suite When Node Power Off The Service Is Not Migrated?

Nov 20, 2009

I am using the Redhat Cluster Suite (luci and ricci) on my centos 5.4. i have 2 nodes in a cluster.I had clustered an apache server.The service is up end running and i can stop,start and switch on all two node.The problem is when i try to simulate a fault for one node.For example:The apache resource stay on the first cluster node.If i power off the first cluster node (not halt or init 0 but take off the eletric power off), the second cluster node not take the resource.With the clustat command, the service still running on the first node.But the service is down. The first node is dead.Only one the first node is join again the cluster the resource goes up on the second node.

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Server :: Made Cluster Node Fails To Start Sometimes On Account Of Nfs?

Mar 20, 2010

I've build a home-made small cluster built up of a master and 1 disk-less slave node.Lately it happens that the node 1 fails to start, reporting the following message:

IP-Config: Complete:
[ 12.318051] device=eth0, addr=192.168.100.21, mask=255.255.255.0, gw=192.168.100.2,
[ 12.414252] host=192.168.100.21, domain=mydomain.com, nis-domain=(none),

[code]...

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CentOS 5 :: Change Virtual Machines Storage Directory In Centos5.5?

Oct 15, 2010

I installed centos 5.5 Ent as host and i installed vmware server 2.2. i need to Change the location of the 'Virtual Machines' directory(/var/lib/vmware/Virtual Machines) to a directory on /home(/home/Virtual Machines) where there is more disk space.Reinstalling centos and reinstalling Vmware server is not the option for me.

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General :: Clone Or Create Image Of Working Servers Having Centos5.3?

Dec 15, 2010

i have centos 5.3 , i want to clone or create image of my working servers having centos5.3 in another hardisk so that if my server down i can just put this another hardisk which having image or clone of the crash server and my server will up in small amount of time is it possible or not if yes then how

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Networking :: PC Many Hard Drives - Use It As A Storage Cluster?

Nov 30, 2010

Have many computers at works. Not always on as students works on it from time to time. I already have a nfs server for files, but there's plenty of disk space on workstations. I wanna make use of it as a "performance booster".Which distributed file system should i use ? Looked for Plan 9 fs, but seems a bit new and "complicated" for me.

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