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Introduction To Skybility HA V2.5
Introduction To Skybility HA V1.2
Skyblity cluster service 1.0

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Skybility HA Service V1.2 EULA
Skybility HA Service V2.5 EULA
  Introduction To Skybility HA V2.5

  As Linux is widely used as Server Operating System in Enterprise environment, more and more enterprise will run their applications based on Linux; while most of these applications are critical ones, which require 7*24 availability. Traditionally, in order to ensure the high availability of the system, users need to invest on some special server hardware. This greatly increases the cost of the IT system, also reduces the flexibility and scalability. Therefore, building a high cost-performance and high flexible Linux cluster system for the customer is a major task of IT infrastructure deployment.

  Skybility HA V2.5 is a new generation of high-availability clustering software developed based on Skybility HA V1.2, which is released by Shenzhen Skybility Software Co. Ltd and widely used in Chinese vertical market like telecom, banking, government and GMB.

  Users can efficiently build high availability Linux cluster systems to protect that their critical applications requiring the 7*24 operation by using Skybility HA V2.5. The failures including server hardware, operating system and user application ones will be monitored by Skybility HA. All application failure caused by server hardware and software will be recovered by Skybility HA V2.5 according to the intelligent statics defined by the administrator, thus it can ensure the user application could be accessed continuously, and reduce both the hang up incurred by application fault and the economic losses and labor costs caused by application interruption.

  If you choose Skybility HA V2.5, you will benefit accordingly.

Lower TCO

  You can build a 32-node cluster system to provide high availability for up to 64 services (resources group) by using Skybility HA V2.5. These nodes in the cluster can base on Intel x86/x86_64/IA64 and IBM System i / p / z Series server platform, without the need of expensive special hardware, Skybility HA V2.5 supports almost all mainstream disk storage devices, including SCSI DAS / SAS, SAN, NAS, iSCSI, and provides network disk mirroring solution which can greatly reduce the users¨ investment on storage.

  Skybility HA V2.5 supports Novell SuSE, Red Hat Enterprise Linux and other mainstream enterprise-class Linux operating system without special customized kernel and offers the user with selection freedom.

More Availability

  By using Skybility HA V2.5, the high availability of service can achieve 99.999%, that is what we call five ^9 ̄. It also means that the service downtime of a high available cluster system with two servers will not exceed 5 minutes each year. In meanwhile, all switching process of service backup is done automatically without any manual intervention. This greatly reduce the management cost and the economic loss caused by service trouble.

  In a typical configuration, the hardware of Skybility HA V2.5 clustering is composed of several networking servers and shared storages. During the system operation, servers will monitor each other with heartbeat mechanism through public network or private network (optional),. When any node occurs troubles for certain reason, either for software or hardware problems, another node will take over the trouble one¨s work; IP address, storage resource and application procedure will be all switched to the backup node completely and safely on the purpose of ensuring the high availability of the entire system. Meanwhile, Skybility HA Service supports the redundant heartbeat route and network communication route to guarantee that trouble checking and message transferring are more safe and reliable. In addition, combined closely with the system, Skybility HA provides system and hardware level data protection solution and safe I/O fence mechanism to ensure that the service data couldn¨t be destroyed as switching.

More Scalability & Flexibility

  Using Skybility HA V2.5, you can add or delete server nodes to the cluster, and extend or reduce the protection domains (means the cluster nodes on which the application runs) for certain application service to meet the growing demand of users or transmit the server nodes to other functions. These operations will not affect the other applications running on the cluster nodes. And by a special mechanism, the administrator could install the patch of Skybility HA V2.5 without stopping service, which guards the safety of the cluster system and reduce the planned and un-planned downtime.

More Intelligent Service Protection Policy

  Skybility HA V2.5 support the Active/Standby and Active/Action service protection policy for two nodes , 1 to n , n to n , n to n policy for multi-node and even more complex policy; the user could define a more complicated service protection policy at the same time to satisfy different demands for high availability. In a service fault handling, other services running on the cluster will be not affected.

  Skybility HA V2.5 provides better services fault detection mechanism, including the resources used by the service, such as storage, network and the application itself. A detailed detection will provide better guarantee for the service¨s recovery.

Simple maintenance

  Skybility HA Service was designed with accessibility. By ^step by step ̄ graphics configuration interface, user can easily complete by clicking the mouse several times in the graphics interface. System administrators can choose freely upon their own favor from local application procedure to Remote Browser based on java2-based graphical configuration interfaces of applet. Meanwhile, all monitoring and controlling system can carry out through remote process and adapt to various kind of complicated environments.

More Flexibility Resource Management

  Skybility HA V2.5 provides standard resource management solution on OCF (Open Cluster Framework) and lots of standard resource management templates, including the layer network ,storage ,the top database (mysql/db2/oracle/Sybase/..) and network server (apache/ftp/..). Administrators can easily use these resources to configure and manage their application services.

  The developers can conveniently define their own application resources and release them as template by OCF Standard. The administrator can configure and manage the customized resource on Skybility HA V2.5¨s configuration interface. In this way, third-party software vendors and ISVs can facilitate their application integrated into Skybility HA V2.5, to provide the high availability solution for their own application.

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