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Linux Virtual Server
The Linux Virtual Server is a highly scalable and highly available server built on a cluster of real servers, with the load balancer running on the Linux operating system. The architecture of the server cluster is fully transparent to end users, and the users interact as if it were a single high-performance virtual server. It is under GPL licence.
http://www.linuxvirtualserver.org/
drbd
Drbd is a block device which is designed to build high availability clusters. This is done by mirroring a whole block device via (a dedicated) network. You could see it as a network raid 1.
http://www.complang.tuwien.ac.at/reisner/d...
Lemuria.org - Heart Software
A basic framework for a high-availability implementation. It exchanges and updates the status of all nodes within the cluster, so that a crash can be immediately noticed and appropriate action be taken.
http://www.lemuria.org/Heart/
Jungo: GO-HotSwap
Add CompactPCI hot-swap capabilities to: Linux / Embedded Linux, Solaris, VxWorks, Windows9x, Windows2000, Windows NT, and Windows NT- Embedded.
http://www.jungo.com/cpci.html
MOSIX
MOSIX for Linux is a cluster-enablement technology that provides transparent process migration between nodes in a cluster. Migration is pre-emptive and transaparent to the user; processes run remotely via distributed system calls.
http://www.mosix.cs.huji.ac.il/
Conditional Execution Based on Host Availability
The Answer Guy 32: Conditional Execution Based on Host Availability.
http://en.tldp.org/LDP/LG/issue32/tag_ping...
Linux-HA Project
Root page for High-Availability Linux Project; goal: Provide a high-availability (clustering) solution for Linux which promotes reliability, availability, and serviceability (RAS) through a community development effort.
http://linux-ha.org/
A High-Availability Cluster for Linux
A High-Availability Cluster for Linux A Linux Journal Article by Phil Lewis.
http://www2.linuxjournal.com/cgi-bin/frame...
Software-RAID HOWTO: High Availability RAID
High Availability RAID from Software RAID HOWTO.
http://www.linas.org/linux/Software-RAID/S...
H.A. Technical Solutions
They make reliable high availability, data replication and load balancing software solutions including H.A. Clusters, H.A. EchoStream and H.A. Fulcrum.
http://www.tech-sol.com
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2006