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Description:The Virtual KVM plug-in is not installed or running. Resolution:.

You must have administrative rights on this system to install the plug-in. Click on the Disconnect button on the DRAC console to close this Window. Next Click the Connect button again, When prompted to install and run the Virtual KVM plug-in, click Yes. Ensure that your browser settings allow you to download and install the browser plug-ins. Ensure that your browser supports Virtual KVM.

See the DRAC 5 user documentation and online help for a list of supported browsers. Virtual KVM may not function properly on clients running supported Windows operating system configured with Internet Explorer Enhanced Security. To resolve this issue, see your Microsoft operating system documentation or contact your administrator. I am using IE 6. I don't think its a port issue as I can telnet to all the VNC ports. Has someone faced this issue and know show to resolve it? Hi, I have the same problem on several servers with DRAC5.

I have tried to apply you suggestions but without success. I have the problem also on systems where previously I had not. For example on my notebook I have used this ActiveX several times but now I can't. I have IE7 and it is simple crashes and exit without the message above.

On Windows 2000 and 2003 servers I have the error message above. I guess it is related to a Microsoft patch or something like this which was applied around the end of May or beginnin of June because I had no problem before. For workaround I changed the Plug-in Type to Java.

This appears to be AFTER I did a DRAC firmware upgrade to the 'latest/greatest.' AND, the problem is in IE, NOT firefox! The problem STARTED AFTER I ran successful DRAC console connection in FireFox, now it no longer works in IE. Firefox did the appropriate download and so forth. One person previously posted that you must check the box for 'attach virtual media,' but that has NOTHING to do with this issue. My settings also show 'native mode,' and I will change that to Java mode and see what happens.

This did NOT fix the issue - so it is NOT a workaround. So really, this worked fine, up until about 2 days ago, when I used FireFox to get to the console; after I upgraded to the lates DRAC firmware. This seems to be related only to the previous DRAC firmware plugin existing at the same time the new DRAC console redirect Active-X plugin in Internet Explorer. I fixed this issue in my case by going to Manage Add-Ons in Internet Explorerr and disabling the 3.1.1.101 plugin and leaving the 3.1.1.117 plugin enabled. It is listed under 'Not Verified' and shows as made by Avocent corporation. This must be the version installed when you have the DRAC5 with 1.65 firmware, but the old one is never removed.

This is the third Anvil! Tutorial built on 's Enterprise Linux 7.

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It marks the third generation of the High-Availability Platform. As with the previous tutorials, the end goal of this tutorial is an Anvil!

Platform for high-availability virtual servers. It's design attempts to remove all single points of failure from the system. Power and networking are made fully redundant in this version, along with minimizing the node failures which would lead to service interruption.

This tutorial also covers the dashboard and monitoring and self-healing tools. As it the previous tutorial, will be the hypervisor used for facilitating virtual machines.

The old and tools are replaced in favour of for resource management. Contents. Before We Begin This tutorial does not require prior Anvil! Experience (or any clustering experience), but it does expect a certain familiarity with Linux and a low-intermediate understanding of networking.

Where possible, steps are explained in detail and rationale is provided for why certain decisions are made. For those with Anvil! Experience; Please be careful not to skip too much. There are some major and some subtle changes from previous tutorials. OS Setup This tutorial assumes a minimal install of either or version 7. Post OS Install. 2016-11-19 10:22:21- Resolving my.linbit.com (my.linbit.com).

212.69.166.235 Connecting to my.linbit.com (my.linbit.com) 212.69.166.235 :443. HTTP request sent, awaiting response.

200 OK Length: 26797 (26K) application/x-python-script Saving to: ‘linbit-manage-node.py’ 100% 26,797 -.-K/s in 0.1s 2016-11-19 10:22:21 (175 KB/s) - ‘linbit-manage-node.py’ saved 7 an-a04n02. 2016-11-19 10:26:52- Resolving my.linbit.com (my.linbit.com). 212.69.166.235 Connecting to my.linbit.com (my.linbit.com) 212.69.166.235 :443. HTTP request sent, awaiting response.

200 OK Length: 26797 (26K) application/x-python-script Saving to: ‘linbit-manage-node.py’ 100% 26,797 -.-K/s in 0.1s 2016-11-19 10:26:53 (182 KB/s) - ‘linbit-manage-node.py’ saved 7 Make it executable. Making ssh faster when the net is down By default, the nodes will try to resolve the host name of an incoming ssh connection. When the internet connection is down, DNS lookups have to time out, which can make login times quite slow. When something goes wrong, seconds count and waiting for up to a minute for an SSH password prompt can be maddening. For this reason, we will make two changes to /etc/ssh/sshdconfig that disable this login delay. Please be aware that this can reduce security. If this is a concern, skip this step.

/etc/ssh/sshdconfig.anvil2014-06-09 21:00000 -0400 /etc/ssh/sshdconfig2014-07-27 08:60761 -0400 @@ -89,8 +89,8 @@ #KerberosUseKuserok yes # GSSAPI options -#GSSAPIAuthentication no -GSSAPIAuthentication yes +GSSAPIAuthentication no +#GSSAPIAuthentication yes #GSSAPICleanupCredentials yes GSSAPICleanupCredentials yes #GSSAPIStrictAcceptorCheck yes @@ -127,7 +127,7 @@ #ClientAliveInterval 0 #ClientAliveCountMax 3 #ShowPatchLevel no -#UseDNS yes +UseDNS no #PidFile /var/run/sshd.pid #MaxStartups 10: 30: 100 #PermitTunnel no an-a04n02. 1: lo: mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo validlft forever preferredlft forever inet6::1/128 scope host validlft forever preferredlft forever 2: eth0: mtu 1500 qdisc pfifofast state UP qlen 1000 link/ether 52:54:00:a7:9d:17 brd ff:ff:ff:ff:ff:ff inet 192.168.122.201/24 scope global eth0 validlft forever preferredlft forever inet6 fe80::5054:ff:fea7:9d17/64 scope link validlft forever preferredlft forever The interface should now start on boot properly. Setting the Hostname Fedora 19 is very different from. 127.0.0.1localhost localhost.localdomain localhost4 localhost4.localdomain4::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 # Anvil! 03, Node 01 10.255.40.1an-a04n01.ifn 10.10.40.1an-a04n01.sn 10.20.40.1an-a04n01.bcn an-a04n01 an-a04n01.alteeve.ca 10.20.41.1an-a04n01.ipmi # Anvil!

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Fencealom - Fence agent for Sun ALOM fenceapc - Fence agent for APC over telnet/ssh fenceapcsnmp - Fence agent for APC over SNMP fencebaytech - I/O Fencing agent for Baytech RPC switches in combination with a Cyclades Terminal Server fencebladecenter - Fence agent for IBM BladeCenter fencebrocade - Fence agent for Brocade over telnet fencebullpap - I/O Fencing agent for Bull FAME architecture controlled by a PAP management console. Stonith options for: fenceipmilan auth: IPMI Lan Auth type (md5, password, or none) ipaddr: IPMI Lan IP to talk to passwd: Password (if required) to control power on IPMI device passwdscript: Script to retrieve password (if required) lanplus: Use Lanplus login: Username/Login (if required) to control power on IPMI device action: Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata timeout: Timeout (sec) for IPMI operation cipher: Ciphersuite to use (same as ipmitool -C parameter) method: Method to fence (onoff or cycle) powerwait: Wait X seconds after on/off operation delay: Wait X seconds before fencing is started privlvl: Privilege level on IPMI device verbose: Verbose mode One of the nice things about pcs is that it allows us to create a test file to prepare all our changes in. Then, when we're happy with the changes, merge them into the running cluster. So let's make a copy called stonithcfg. # unique name fence agent target node device addr options pcs stonith create fencen01ipmi fenceipmilan pcmkhostlist= 'an-a04n01.alteeve.ca' ipaddr= 'an-a04n01.ipmi' action= 'reboot' login= 'admin' passwd= 'secret' delay= 15 op monitor interval=60s pcs stonith create fencen02ipmi fenceipmilan pcmkhostlist= 'an-a04n02.alteeve.ca' ipaddr= 'an-a04n02.ipmi' action= 'reboot' login= 'admin' passwd= 'secret' op monitor interval=60s Note that fencen01ipmi has a delay=15 set but fencen02ipmi does not.

If the network connection breaks between the two nodes, they will both try to fence each other at the same time. If acpid is running, the slower node will not die right away. It will continue to run for up to four more seconds, ample time for it to also initiate a fence against the faster node. The end result is that both nodes get fenced. The ten-second delay protects against this by causing an-a04n02 to pause for 10 seconds before initiating a fence against an-a04n01. If both nodes are alive, an-a04n02 will power off before the 10 seconds pass, so it will never fence an-a04n01. However, if an-a04n01 really is dead, after the ten seconds have elapsed, fencing will proceed as normal.

Cluster name: an-anvil-04 Last updated: Tue Jul 2 16: Last change: Tue Jul 2 16: via cibadmin on an-a04n01.alteeve.ca Stack: corosync Current DC: an-a04n01.alteeve.ca (1) - partition with quorum Version: 1.1.9-3.fc19-781a388 2 Nodes configured, unknown expected votes 10 Resources configured. Cluster Properties: Cluster Properties: cluster-infrastructure: corosync dc-version: 1.1.9-3.fc19-781a388 no-quorum-policy: ignore stonith-enabled: true Excellent! Configuring Fence Levels The goal of fence levels is to tell pacemaker that there are 'fence methods' to try and to impose an order on those methods. Each method composes one or more fence primitives and, when 2 or more primitives are tied together, that all primitives must succeed for the overall method to succeed. So in our case; the order we want is;. IPMI - PDUs The reason is that when IPMI fencing succeeds, we can be very certain the node is truly fenced. When PDU fencing succeeds, it only confirms that the power outlets were cycled.

If someone moved a node's power cables to another outlet, we'll get a false positive. On that topic, tie-down the node's PSU cables to the PDU's cable tray when possible, clearly label the power cables and wrap the fingers of anyone who might move them around.

The PDU fencing needs to be implemented using four steps;. PDU 1, outlet X - off. PDU 2, outlet X - off. The powerwait='5' setting for the fencen0Xpdu2off primitives will cause a 5 second delay here, giving ample time to ensure the nodes lose power. PDU 1, outlet X - on. PDU 2, outlet X - on This is to ensure that both outlets are off at the same time, ensuring that the node loses power. This works because fencingtopology acts serially.

Putting all this together, we issue this command.