Table of Contents
Melbourne T3
User Access and Authentication
- Names services and authentication comes from the CoEPP central authentication system. This consists of an LDAP directory and a Kerberos KDC.
- In order to access the Melbourne Tier 3 you must be part of the ui_mel UNIX group
Resources
Topology
- The following picture provides an ilustration of the proposed model for local usage:
Servers and Hardware
| Server | Role | CPUs | Mem |
|---|---|---|---|
| melui1.mel.coepp.org.au (alias: mui.coepp.org.au, ui.atlas.unimelb.edu.au) | User Interface to the grid and Melbourne Tier 3 batch system | 12 CPUs | 24 GB RAM |
| melui2.mel.coepp.org.au | Shared interactive node 2 and batch node 2 | 12 CPUs | 24 GB RAM |
| melui3.mel.coepp.org.au | Shared interactive node 3 and batch node 3 | 12 CPUs | 24 GB RAM |
| melui4.mel.coepp.org.au | Shared interactive node 4 and batch node 4 | 12 CPUs | 24 GB RAM |
| Hostname | melui1.mel.coepp.org.au melui2.mel.coepp.org.au melui3.mel.coepp.org.au melui4.mel.coepp.org.au |
|---|---|
| Vendor | Hewlett Packard |
| Chassis Model | ProLiant DL2000 Multinode Platform |
| Server Model | 4 x ProLiant DL170e G6 |
| OS | Scientific Linux 5 |
| Photo |  |
| Hostname | mrhat.atlas.unimelb.edu.au (NFS Server) |
|---|---|
| Vendor | Dell |
| Model | PowerEdge R620 2 x PowerVault MD100 Arrays |
| OS | Scientific Linux 6 |
| Photo |  |
Software Management
- For information how users can access and manage spefic software in the Tier-3, please check Tier-3 Software Management
Batch System
Queues and Times
$ qstat -q
server: meltorque.mel.coepp.org.au
Queue Memory CPU Time Walltime Node Run Que Lm State
---------------- ------ -------- -------- ---- --- --- -- -----
adl_short -- -- -- -- 0 0 -- E R
mel_short -- -- 02:00:00 -- 0 0 -- E R
mel_extralong -- -- 336:00:0 -- 0 0 -- E R
adl_long -- -- -- -- 0 0 -- E R
mel_long -- -- 96:00:00 -- 0 0 -- E R
----- -----
0 0
Default Queue
$ qmgr -c 'p s' | grep default_queue set server default_queue = mel_long
Running X application
- Running X applications and forwarding remote X windows is enabled through XPRA
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