Monthly Archives: September 2004

Myrinet vs Infiniband

A few comment on myrinet vs Infiniband Myrinet Infiniband HCA port 1/2 2 connect type Fibre copper max switch ports 128/256(soon) 288 speed 2gbps 8gbps local memory 2/4 MB 128/256MB The dual ports in HCA can be used to construct … Continue reading

Posted in HPTC | 1 Comment

MPI over Infiniband

There are many implementations of MPI over Infiniband, from google search, one find: MVAPICH(MPI-1 over VAPI for InfiniBand): This is an MPI-1 implementation. It is on Verbs Level Interface (VAPI), developed by Mellanox Technologies . The implementation is based on … Continue reading

Posted in HPTC | Leave a comment

Infiniband in Solaris 10

Solaris 10 introduce support for Infiniband devices System Adminstration Guide: Devices and File Ssytem Chapter 9 Using Infiniband Devices Overview of Infiniband Devices Dynamically Reconfiguration IB Devices With cfgadm Using the uDAPL Application Interface With Infiniband Devices Solaris include tavor … Continue reading

Posted in Infiniband | Leave a comment

parallel FS for HPTC cluster

In a HPC cluster, one need parallel FS for the compute node to access the data This weblog will try to summary the different parallel FS existing today. NFS: most universal parallel FS under IP , NFSv4 has many new … Continue reading

Posted in HPTC | 1 Comment

HA-postgresql

The ARCO feature in N1GE6 require a database to store the data. Right now one can use postgresql or oracle. In case one may want to protect the database server in Solaris env, one could use the HA-oracle agent to … Continue reading

Posted in Sun Cluster | Leave a comment

Infiniband Switches

Recently, to replay some RFP, I have to investage offers from many different vendors. I summarize my finding in this weblog: Mellanox: InfiniScale II MT43132 chip, 8 4x ports, 240 Gbps ,foundation for many IB switches InfiniScale III MT47396 chip, … Continue reading

Posted in Infiniband | Leave a comment

Install N1Grid Engine 6 and compile postgresql on Sparc

To use the ARCO feature of N1ge6, one will need some database to store the data. At this point in time n1ge6 support postgresql and oracle. To use postgresql on SPARC system , one will need to download the source … Continue reading

Posted in N1 Grid | 2 Comments

HA-Degreework

Degreework from Sungard is a DSS that allow student to do whatif analysis for the courses releated to their future Degree In solaris/sparc environment, it can be implemented in a three tiers setup. web server, many web servers farm befind … Continue reading

Posted in Sun Cluster | Leave a comment

HA-ALEPH of Ex Libris library system

ALEPH of Ex Libris Library system Could be implemented in a three tiers environment web tier, few servers that run apache web server behind LB Application server, that run the main applications server , FAT PC clients servers Database server, … Continue reading

Posted in Sun Cluster | Leave a comment

vxvm 4.0 new feature

Finally in vxvm 4.0 rootdg is not required This make the job of using SVM to mirroring the root disk and use vxvm to controll the other disks more nature Now a day most storages are protected by HA-RAID. so … Continue reading

Posted in Sun Cluster | 1 Comment