Product Details

Lifekeeper for Linux - *LifeKeeper for Linux on Compaq ProLiant offers a commercially proven,high availability software solution providing 2 to 16 node application anddata fault-resilience supporting mission-critical applications on a rangeof ProLiant servers and StorageWorks solutions.*
---------------------------------------------------------------------------- ------------------------------------ Description =========== Compaq and its strategic partner, SteelEye Technology, continue to extend the Linux clusters for ProLiant solution suite. In this announcement Compaq and SteelEye have extended the coverage to include both IA32 and IA64 ProLiant servers and the newly announced DL380G2 Packaged Cluster as well as extending the StorageWorks content to include the MA8000 Enterprise Storage Subsystem. These solutions have been tested and certified by SteelEye and Compaq to insure customer satisfaction and operational success. LifeKeeper has been in the industry for over 8 years across a range of servers and operating system environments. It has met the test of time and demonstrated its robustness in multiple sites and industries. SteelEye Technology has extended LifeKeeper to operate across the major Linux distributions, Red Hat, Caldera, SuSE and is extending the product to meet customer demands for business critical application and data availability. Compaq and SteelEye have developed a Single Point of Contact (SPOC) for one stop service and support offering from Compaq Global Services to minimize solution integration and operations issues to improve overall customer satisfaction. Compaq adds customer value by providing ProLiant Cluster Install Guides for the most popular Linux solutions including DBMS products and commercial applications across a range of Linux distribution offerings. LifeKeeper for Linux Version 4.0 has been certified with both the Linux 2.2 and 2.4 kernels for ProLiant Clusters with the Linux distribution releases listed above. _Top of page_ Features ======== *N-way Failover:* LifeKeeper can support the configuration and failover of an application across more than two systems. This feature ensures that as long as one server in the cluster remains active, an application will be available, no matter what the sequence of failures that occurs. *Multi-Directional Failover:* If more than one LifeKeeper-protected application is configured to run on the same primary server, LifeKeeper allows each of those applications to be configured to failover to a different backup server. This feature allows the additional load of the failed primary server to be distributed across multiple backup servers, rather than burdening a single backup server with the full additional load. *Cascading Recovery:* In LifeKeeper, applications that are protected by more than two servers may be recovered on other servers in the cluster based on a priority ordering. For a given application, the servers on which it is configured are assigned priorities to determine the sequence in which the application will move from server to server in the event of multiple failures. *Multiple Communication Heartbeats:* LifeKeeper allows multiple (redundant) LAN-based heartbeat communications paths between grouped servers, which can also be used for other system communications. Shared Data: Storage devices, which are connected to multiple servers in the LifeKeeper cluster, allow grouped servers to share access to the same set of disks. In the case of a failure of the primary server, LifeKeeper automatically manages the unlocking of the disks from the failed server, and the locking of the disks on the next available back-up server. *LifeKeeper Data Replication: *LifeKeeper's Data Replication (LkDR) feature provides an integrated synchronous data mirroring capability to the existing Linux product. SteelEye's LkDR reliably, efficiently and consistently mirrors data to remote locations over any IP network, Local Area Network (LAN), or Wide Area Network (WAN). It delivers quality performance and assures data integrity. The combination of LifeKeeper for Linux and Data Replication provides an outstanding High Availability solution and lowers the end user's total cost of operation. LifeKeeper with Data Replication offers administrators the option of locating servers anywhere on the (LAN) since there are no Small Computer System Interface (SCSI) cables to limit distance. *Parallel Recovery: *The recovery of resources during a node failover is now performed in parallel as much as possible to improve node failure recovery times. *Configurable automatic switchback: *User defined feature that allows an application on a given node to be optionally configured to automatically switch back to the failed node when the failure condition is corrected. Or, the user can select the intelligent switchback feature, which permits the administrator to decide when the switchback will occur rather than have the switchback occur automatically when the error condition is corrected. *Shared Communication:* LifeKeeper can automatically manage switching of communications resources, such as TCP/IP addresses, allowing users to connect to an application regardless of where the application is currently active. *LifeKeeper GUI:* The LifeKeeper GUI is a Client/Server application developed using Java technology, which provides a graphical administration interface to LifeKeeper and its configuration data. This system administration utility allows the viewing of multiple LifeKeeper clusters remotely from a browser and allows the administrator to modify cluster operations from the remote location giving unparalleled flexibility for distributed site management. Compaq Insight Manager 7 and Insight Manager XE access: LifeKeeper for Linux has incorporated the Compaq Cluster MIB and utilizes the Compaq Linux Management Agents to communicate with Compaq's industry leading Insight Manager and Insight Manager XE utilities. When Insight Manager performs server and cluster discovery in the enterprise, LifeKeeper for Linux clusters operating on Compaq ProLiant servers will be able to communicate via the Compaq Management Agents including the Compaq Common Cluster MIB so the enterprise administrator can discover and monitor the Linux based servers and LifeKeeper cluster in the Insight Manager XE Cluster Monitor application. *Application Health Monitoring:* The LifeKeeper lkcheck daemon process performs health monitoring of LifeKeeper-protected Apache, Oracle, IBMUDBee and UDBEEE, IP, Sendmail Advanced Mail and Mobile Message Servers, file system, and disk resources. *LifeKeeper Software Development Kit (SDK):* The Software Development Kit (SDK) provides documentation that includes an overview of the Recovery Kit architecture, a detailed description of Recovery Kit components and APIs, and sample code for a generic application Recovery Kit. *Shared-storage cluster configurations:* These LifeKeeper configurations are constrained by the number of nodes that can connect to a given storage device. In case of SCSI, that is 2 servers per SCSI bus. That number can go up to 10 in Fibre-Channel based (FC-AL) clusters which has been certified by Compaq and SteelEye. *Cluster install Time:* Less than 1 hour for 2-node cluster, assuming that Linux O/S is already installed and configured. *Time to add a node to a cluster:* Under 30 minutes, assuming Linux O/S is already installed and configured. *Pro-Active Health Monitoring:* LifeKeeper continuously monitors the health of the system and the application. This is important in the event of a system failure or application malfunction since it provides early detection and initiates failover actions for conditions that could disrupt access to mission critical applications. New Enhanced Features ===================== Enhancements provided by LifeKeeper for Linux 4.0 include: Support for Compaq's industry-standard ProLiant 32bit servers, including the PL8500, DL580 and DL760, and Compaq's Itanium 64bit platform - the ProLiant DL590. Support for Compaq's StoprageWorks MA8000 Enterprise Storage Subsystem. Support for Compaq's new ProLiant DL380G2 Packaged Cluster. Support for Compaq's Insight Manager XE and integration of Compaq CommonCluster MIB, giving enterprise management administrators a view of Linux clusters from the Insight Manager XE browser using the Cluster Monitor feature. This feature is also used by Microsoft Windows NT and Windows 2000 clusters, Caldera International UnixWare 7.1 NonStop Clusters, Compaq TruCLuster using TruCLuster V5.1, and Compaq Open VMS Clusters. GUI changes to streamline even further LifeKeeper's intuitive Java-based GUI that enables IT managers to easily implement automated fault monitoring and recovery. The LifeKeeper Linux 4.0 GUI will feature the ability to leverage comm path administration to have a system join the cluster without manually configuring comm paths for each system in the cluster. The feature will also facilitate an "unextend" capability allowing administrators to easily remove a system from the cluster. Further enhancements will include the Display Format Options which provides the user the ability to resize the tree and table, sort, and expand/collapse all. Increased storage options to accommodate the widest range of storage environments with an enhanced LifeKeeper Data Replication release and support for Network Attached Storage. Storage options for LifeKeeper now include support for low cost non-shared storage environments, external shared SCSI, Fibre Channel, SAN, and Network Attached Storage. Support for additional Linux distributions to work with all key commercially available operating systems, to include Red Hat 7.0, Red Hat 7.1, SuSE 7.1, SuSE 7.2, Caldera eServer 2.3.1, Caldera eServer 3.1, Miracle, and TurboLinux 6.5. New optional fee Application Recovery Kits (ARKs) to further support off-the-shelfap implications. Distributed computing environments gain additional protection through Version 4.0's support for DB2EE, DB2EEE, Network Attached Storage Recovery, NFS-Server, Sendmail Advanced Message Server, and Sendmail's Mobile Message Server. LifeKeeper's existing support for all available Journaling File Systems and enhanced database performance through Raw I/O support. Internationalization which will facilitate localization. . SteelEye's LifeKeeper also offers enterprises consistent reliability management across a variety of computing environments to protect all of their critical applications running on Linux, Windows NT, Windows 2000 and Solaris platforms. _Top of page_ ----------------------------------------------------------------------------
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