A virtual cluster is a promising technology for reducing management costs and improving capacity utilization in datacenters and computer centers. However, recent cluster virtualization systems do not have the maximum scalability and flexibility required, due to limited hardware resources at one site. Therefore, we are now developing an advanced cluster management system for multi-site virtual c...

Since clusters were first introduced[5], node counts have increased rapidly. Currently, a variety of clusters with more than one thousand nodes are listed on the TOP500 list. In the next three years, clusters with more than four thousand nodes are expected. Cluster management functionality has lagged behind all areas of system software. In order to effectively manage the clusters of today and t...

The management of high-performance clusters, in several situations, needs to be integrated with the management of computer networks. In order to achieve such integration, a network management architecture and protocol, such as the SNMP, could be used for cluster management. This paper investigates the required integration through the implementation of SNMP agents deployed in the cluster infrast...

Due to a variety of management specifications, hardware, firmware and software implementations, most of the cluster computing toolkits do not include remote hardware management functionalities. The remote, hardware level management is a necessary task for a computer center. The remote hardware management task requires cross-field knowledge such as specifications, management fabrics, hardware, f...

this research, applied as a survey approach aimed at investigating farmers’ tendency and attitudes toward agricultural water management styles (wmss). therefore, using cochran’s formula and simple random sampling, 244 farmers were selected in doroudzan region, iran. the data were acquired by face-to-face structural interviews and as well through a questionnaire that consisted of closed and open...

It is not a trivial job to maintain clusters in a highly mobile ad hoc scenario where changes in node activity status cause frequent and unpredictable topological changes. It requires continuous and efficient management protocol for frequent up-dation and re-clustering which are costly in a resource-poor environment. In this context, we describe a convenient cluster management protocol that inc...

We believe that it is not a trivial job to maintain and manage clusters in a highly mobile ad hoc scenario where host mobility and changes in node activity status causes frequent and unpredictable topological changes. It requires continuous and efficient management protocol for frequent up-dation and re-clustering which are costly in a resource-poor environment. This maintenance process may eve...

In February 2004, TechWise Research published a paper entitled: Total Cost of Ownership for Entry-Level and Mid-Range Clusters. That paper showed that HP OpenVMS/AlphaServer clusters cost, on average, $248,000 less to manage over a three-year timeframe than IBM AIX/pSeries clusters. TechWise Research decided to conduct a follow-up study to probe specifically into the area of cluster management ...