Specifications

Chapter 3: SteelEye LifeKeeper for Linux
Introduction
SteelEye LifeKeeper for Linux provides high availability clustering for up to 32 nodes with many
supported storage configurations, including shared storage (Fiber Channel SAN, iSCSI), network
attached storage (NAS), host-based replication and integration with array-based SAN replication
including HP Continuous Access.
Protected Resources
The LifeKeeper family of products includes software that allows you to provide failover protection for
a range of system resources. The following figure demonstrates LifeKeeper's flexibility and identifies
the resource types you can specify for automatic recovery:
l File systems. LifeKeeper allows for the definition and failover of file systems, such as ext2,
ext3, ext4, reiserfs, NFS, vxfs or xfs.
l Communications resources. LifeKeeper provides communications Recovery Kits for
communications resources, such as TCP/IP.
l Infrastructure resources. LifeKeeper provides optional Recovery Kits for Linux infrastructure
services, such as NFS, Samba, LVM, WebSphere MQ, and software RAID (md).
l Web Server resources. LifeKeeper provides an optional Recovery Kit for Apache Web
Server resources.
l Databases and other applications. LifeKeeper provides optional Recovery Kits for major
RDBMS products such as Oracle, MySQL and PostgreSQL, and for enterprise applications
such as SAP.
LifeKeeper supports N-Way Recovery for a range of resource types.
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