2
votes
1answer
114 views

What are the options for a HA system?

I'm looking into creating a HA Linux machine for my client's website. What are the main options I have, or a place/article where I can find out more? I would LOVE if it was a single-image, too, so ...
-2
votes
1answer
23 views

Is MOSIX the easiest way to build a redundant system?

I'm trying to figure out the easiest way to build a server with HA. I looked into Linux-HA, Heartbeat, Mesos. I then found MOSIX. I don't know if it's a thing from the past that no one uses, but ...
2
votes
4answers
338 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
0answers
127 views

unmount failure because of process in D stat

Please suggest me how I can create a process in D (uninterruptable sleep) stat on mirror disk. Actually there is some bug in other code, that process some times create a process with D stat on MD and ...
1
vote
1answer
890 views

How do you setup a virtual IP on a Linux cluster?

I am having some problems setting a virtual IP and Linux (Ubuntu) cluster and I am hoping someone can help. This is the first node cluster I've tried to setup and I am not finding many resources in ...
1
vote
4answers
3k views

linux + create simple watch dog process in shell script

I need to create watch dog process (will run in linux version 5.x) that look all time on /etc/cluster.cf file And if the process matches the string: machineA_is_active in the cluster.cf file Then ...
0
votes
1answer
71 views

Redundance for different processes running on the same server

We have a system consisting of different components/services like database, webserver, fileshare, some self programmed daemons, etc. We now have the requirement to make all components/services ...
2
votes
5answers
845 views

linux clustered Filesystem

I currently have two CentOS Boxes providing NFS Services to multiple Web servers. Could someone recommand a file system which would mirror all files across both of these servers easily and ...
1
vote
1answer
173 views

Setting up a failover cluster on the internet?

Is it possible to use VPS hosting services available to set up a Linux Failover cluster on the internet ? (I believe Amazon cloud services allow this.) VPS providers allow you to use multiple ip ...