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Copyright © 2000-2004 by ShaoLin Microsystems Limited
2004-06-1-10
ShaoLin Microsystems Ltd. reserves all the rights of this document.
All trademarks are owned by the corresponding trademark owner.
ShaoLin HA Cluster is a software to manage and control the system and application availability of servers. The goal is to increase the availability of your application in the event of a failure. By using redundant hardware, and software control technique, it is possible to make standard PC-based Linux servers to able to failover one another in case of a failure occurred. This technology is targeted for business application servers, file servers and all sorts of ebusiness services, which needs continuous operations in a high service level. The ShaoLin HA Cluster is a low cost evolutionary cluster software solution comparing to other specialized hardware-based fault-tolerance redundant machines and traditional unreliable cluster management software. Since it is a software, it is considerably more robust, lower cost, and can handle application level failures.ShaoLin HA Cluster supports a wide range of hardware architecture from single CPU Pentium class systems to multiple CPUs Itanium based machines and x86 64 platforms. Ensuring your system scalability.
In the past, the implementation of a high availability solution often requires special skills or well trained system administrators to operate. Since clustering of traditional PC hardware voids the overall behavior of system administration and system configuration. This complexity often fears users to implement clustering solutions due to a high total cost of ownership. Using cluster technologies immediately adds at least one more server to administer, and that server often requires extensive care to operate. ShaoLin HA Cluster overcome this issue by using a system image clustering rather than individual application+data clustering. Instead of defining storage and application relations, we define OS image as an independent resource. With the technique of using a shared disk storage and without the need of a local disk, the complete system image can be shared among the clusters. This ensures a transparent system image living in the shared disk. This transparent design does not voids the behavior of a traditional stand alone server, and able to have features like failure detection for application and hardware, together with recovery ability.
ShaoLin HA Cluster support custom application monitor and recovery by user defined failover and application control policies, together it supports extended monitoring and application recovery for common standard applications using Service Monitoring Agents(SMA) (see Section 5). SMAs allow precise efficient application availability control and monitor with vendor level certification. The use of SMA can maximize the availability of the target application and thus miminize unplanned downtime.
Intel Pentium class and above
Intel Itanium I and Itanium 2
AMD Athlon and Opteron
Minimum 64MB of memory, depends on the requirement of your application and operating system, use the highest figure.
Unless for dataless applications, SCSI-based or fibre channel storage with external shared storage system is required.
Redhat 7.2, 7.3, 8.0, 9, Advanced Server 2.1, and Enterprise Linux 3
SuSe 8.1, 8.2, and Enterprise Server 8.1
United Linux 1.0 based distributions
Thiz Server 6.0
Please contact ShaoLin Microsystems if you cannot find your OS in the above list, or please check for the latest information.
All stock vendor kernel which suitable for i586, i686, athlon, IA64 and x86_64 listed in the supported distribution section will be supported. Ongoing patched kernels from vendors will also be supported from 2 months or less by the time the new kernel has released by the vendor. The latest release of the patched kernel will be guaranteed to get supported. Intermediate patched kernels will alos be supported with the latest patches from ShaoLin HA Cluster but not guaranteed. If you find your intermediate patched kernel missing support from the software, please contact ShaoLin Microsystems for assistance and togther with your vendor released kernel sources.
You may download the software from an online purchase or purchase a media kit from your local vendor for the copy of the software. Before you install the software, make sure you obtain a registration key and register it on the web site. After registration, you will receive a license file which will be used by the software. You may want to download and install the latest version of Webmin before install ShaoLin HA Cluster. To install ShaoLin HA Cluster, you will need root access to the server and execute the installer as root.
After software installation, you may want to connect to the Webmin interface by a web browser which the url is usually http://localhost:10000/shaolin-ha/index.cgi.
If you need support for ShaoLin HA Cluster, you can login to the ShaoLin Support Website at http://support.shaolinmicro.com to get online support or contact your local service provider.