PDSF Home

Network

PDSF is on its own subnet (128.55.24.0/255.255.252.0). Presently, a single gigE link connect ernesrc to the top-level switch in the PDSF subnet. A combination of Extreme 7i's and Cisco 3548's are connected to this top level switch. In general disk vaults are connect to the 7i by copper gigE. In addition, a specific group of nodes, referred to as high bandwidth nodes, are also connected via copper gigE.

Node Types

There are four categories of nodes: computenodes, high bandwidth nodes, disk vaults, and administrative nodes. The compute nodes are typically dual processor nodes with 2 GB of RAM, and at least 12 GB of local disk. The compute nodes are connected fast ethernet. The high bandwidth nodes are dual processor with 2GB of RAM, and 300GB of local disk. They are connect to the network by copper gigE. The diskvaults vary in cpu speed and disk space. The majority have 500GB of raid 5 space. Some have as much as 1TB of raid 5. Most of the diskvault are connected by copper gigE. The administrative nodes handle services such as configuration management, console access, and other auxillary services.

Remote Console Access

All of the production nodes have remote console access via serial terminal servers.

Software

Services

• Web server (internal and external)

• CVS (internal)

• Globus ftp and job submission

• mail (internal)

• mysql (including mirror of BNL)

• flexlm

Filesystems

• Home (100GB)

• Diskvaults (26 TB on 48 seperate filesystems)

• Work and common (150GB)