i5/OS and OS/400 (5722-SS1): Architecture 549
Draft Document for Review October 18, 2004 5486OpS.fm
All systems are managed from a single workstation that contains the
high-availability business partner cluster management application. The required
minimum release of OS/400 to support each node in the cluster is V4R4.
High Availability Switchable Resources installs as Option 41 of i5/OS and
OS/400. A chargeable option of i5/OS and OS/400, HA Switchable Resources
provides the capability to achieve a highly available environment using
switchable resources (IASPs). The resources are physically switched between
systems so that only one copy of the resource is required.
New with V5R3
i5/OS V5R3 enhances iSeries clustering with additional capabilities, including:
IASPs containing i5/OS DB2 library-based objects and output queues
Groups of IASPs that can be linked together
Thread relative naming for controlling job attributes
Multiple library namespaces that allow multiple databases and duplicate
library names across different namespaces
Clustered Hash Table Server for sharing and replicating of non-persistent
data between cluster nodes
Clustered Hash Table APIs for connection control, storage, and retrieval table
of entries, and generate keys and information about stored entries
Cluster GUI enhancements
On rejoin, cluster node ability to self start
Fully supported cluster commands
User control of automatic failover
Fully supported cluster commands
Suggested reading
For additional information about clustering, refer to the following Web sites:
http://www-1.ibm.com/servers/eserver/iseries/ha
http://www-1.ibm.com/servers/eserver/iseries/service/itc
iSeries Windows integration and Microsoft cluster support
iSeries Integrated xSeries Server and Integrated xSeries Adapter offerings
support Virtual Ethernet LAN, Microsoft Cluster Services, and Automatic
Cartridge Loader support. With V5R2, new xSeries models are now supported
using the Integrated xSeries Adapter.
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