Questions tagged [failover]

23 questions
4
votes
3 answers

How can I tell how long for Watchdog to wait to stop all processes?

I have a server which is monitored by Watchdog, and experiences reboots occasionally due to faulty network hardware I am unable to replace at the moment. As I read, Watchdog sends a SIGTERM to all processes, requesting a safe shutdown, and after a…
nanofarad
  • 20,906
3
votes
0 answers

DFS mount on Ubuntu with failover capabilities

I need some help here. I am trying to mount cifs (Windows DFS, which is a cluster of two exactly identical machines) to my ubuntu 16.04.01. I have good success with the mount itself, what I am doing is a permanent mount adding the following in the…
3
votes
1 answer

Rackspace, heartbeat ip failover

I have tested tomcat specific clustering with apache mod_jk and mod_proxy on ubuntu local VMs for our website high availability and load balancing. The real servers are hosted by Rackspace cloud server provider and I should implement this on cloud…
user3215
  • 5,475
3
votes
1 answer

Failed to load module fglrx (module does not exist 0) on Backtrack 5

I have uninstalled fglrx modules and ati modules in order to re-install them.after the rebooting the i cant come up with GUI.... On startx it displays Failed to load module fglrx (module does not exist 0) No drivers available ddxsiggiveup :closing…
2
votes
1 answer

Ubuntu: ethX Interface not bonded after unplugging and plugging its cable back

I am trying to set up fail-back configuration in bonding but I am unable to get around the interface configuration. My interface is as follow: auto bond0 iface bond0 inet static address 192.168.1.39 netmask 255.255.255.0 up…
2
votes
0 answers

How do I perform maintenance on a master DNS/DHCP (BIND9/ISC-DHCP) Ubuntu server?

I'm running non-GUI Ubuntu Server 12.04.2 LTS (64-bit) on my 2 DNS/DHCP servers. Both servers are running BIND9 9.8.1-P1 and ISC-DHCP-SERVER 4.1.ESV-R4-0ubuntu5.6. Please note that for DNS I'm running them in a master/slave configuration, and for…
Sniperm4n
  • 361
1
vote
2 answers

How to use DRBD for entire system replication

I have installed and configured DRBD on my Ubuntu 9.10 Servers, by following the links below. link text1 and link text2 I'm in a plan to configure Ubuntu Servers for High Availability, so i have tested DRBD working and it's fine as per the links i…
user3215
  • 5,475
1
vote
0 answers

Installing Ubuntu 16.04 LTS on HP 23-h017c all-in-one

I went through the whole process of installing it, them after i was told to remove to boot device an restart i get the "No bootable device found" error message. And also in my bios i don't see the option to "Select an UEFI file as trusted for…
Journey
  • 11
1
vote
0 answers

Content Delivery Network

I have a project that i need to setup Content Delivery Network on Ubuntu, That involves like Geo Dns structure, Fail over and High availability So i am looking if some one help me that where should i start, I have no experience about it, so i would…
Qasim
  • 22,162
1
vote
2 answers

Question regarding the dhcpd.leases file for ISC-DHCP-SERVER (Ubuntu 12.04 LTS x64)

Backstory: I am in the process of replacing a SINGLE Debian 3.1 (Sarge) ISC-DHCP-SERVER with 2 Ubuntu 12.04 LTS x64 servers running ISC-DHCP-SERVER in failover mode. I've been unable to find the answer to this on Google, and my internal testing on…
Sniperm4n
  • 361
1
vote
3 answers

UBUNTU-22.04-DHCP-failover mode issue

We have 2 DHCP servers (Ubuntu 18.04), they are configured as failover mode (primary / secondary). They work brilliantly, no issues with them since about 4 years. Now, we had a power cut, so one of them went down (the primary) for about 6 hours. For…
madona33
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1
vote
0 answers

What is the best way to have failover connection for OpenVPN client

I am going to make failover connection for OpenVPN client. What will be the best way to achieve it? I have two ethernet interfaces. I connect eth0 to LAN (with DHCP), and eth1 to GSM router (with static IP). The eth0 (LAN connection) should always…
1
vote
0 answers

Setup Ubuntu as a router with Mesh, 4G, OpenVPN and WAN failover

I'm looking for advice on a rather complex Ubuntu 18.04 setup. Primarily the router will just talk with other "nodes" on a local network using mesh and backhaul 'internet' data through 4G. If mesh is unavailable it should use 4G to talk to another…
1
vote
0 answers

cifs utils - SMBmount to MS file cluster

i'm working at a company with many linux machines connected to a windows SMB share. I'm migrating data to the a new (2019, but also on 2012r2) windows file cluster so we can have HA. When triggering a failover (node 1 to 2, or vice-versa), while i'm…
0
votes
1 answer

unable to install and configure chef-server on ubuntu 12.04

I have ubuntu 12.04 installed on aws cloud and I am trying to install chef server on it, but it does not configures correctly and returns an error. I am following this simple guide for installation here And I get the following error after running…
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