Monthly Archives: September 2004

Myrinet vs Infiniband

Posted on September 30, 2004 by laotsao 老曹

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

Posted on September 30, 2004 by laotsao 老曹

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 →

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Infiniband in Solaris 10

Posted on September 27, 2004 by laotsao 老曹

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 →

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parallel FS for HPTC cluster

Posted on September 26, 2004 by laotsao 老曹

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 →

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HA-postgresql

Posted on September 26, 2004 by laotsao 老曹

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 →

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Infiniband Switches

Posted on September 26, 2004 by laotsao 老曹

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 →

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Install N1Grid Engine 6 and compile postgresql on Sparc

Posted on September 19, 2004 by laotsao 老曹

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

Posted on September 12, 2004 by laotsao 老曹

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 →

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HA-ALEPH of Ex Libris library system

Posted on September 12, 2004 by laotsao 老曹

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 →

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vxvm 4.0 new feature

Posted on September 3, 2004 by laotsao 老曹

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 →

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