Unicos

T3E Scheduling Update
Jay Blakeborough
With UNICOS/mk 2.0.4, we have made significant strides in the stability and functionality of application scheduling on the T3E. This talk will highlight recent and planned changes to the Political Scheduling Daemon (psched) and kernel level scheduling support. It will also outline the implementation of single-PE applications and migrate-to-swap.

T3E Resilience Enhancements
Dean Elling
This talk will cover upcoming enhancements to improve T3E resilience. SGI currently supports warm booting PEs from the SWS. With the release of UNICOS/mk 2.0.5, warm booting PEs from the mainframe will be supported which could significantly reduce the time needed to perform this function. Dynamic PE renumbering will also be provided. This feature will enable sites to reconfigure a failed PE with a renumbered PE and thereby maintain the APP PE space without requiring a system reboot.

GigaRing SWS and I/O Status
Paul Falde
This presentation will cover the current status of the SWS and GigaRing I/O.

SV1 Cluster User Data Base Feature
Richard Lagerstrom
Administration of an SV1 cluster requires that the user information contained within the User Data Base (UDB) is to some degree consistent among all the nodes. This feature offers central management of the UDB files local to each node in the cluster.

UNICOS and UNICOS/mk Release Plans and Status
Laura Mikrut
UNICOS and UNICOS/mk are alive and well. This talk will cover enhancements, release plans, support status and Software Problem Report (SPR) status.

Heterogeneous Clustering–Operational and User Impacts
Sarita Salm
Heterogeneous clustering can improve overall utilization of multiple hosts and can provide better turnaround to users by balancing workloads across hosts. Building a cluster requires both operational changes and revisions in user scripts.


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