SystemDescription » History » Version 8

Version 7 (Anonymous, 08/30/2007 06:05 PM) → Version 8/13 (Anonymous, 09/05/2007 11:27 AM)

= System Description =

== Hardware Specifications ==

=== Head Node ===
H1. 1x DELL !PowerEdge SC1420
||'''CPU''' || dual-processor Intel Xeon 3.2GHz / 2MB / 800FSB[[br]]
||'''RAM''' || 4GB (4x1GB, DDR2)[[br]]
||'''HD''' || 1000GB SATA Raid5 (4x250GB, 7200rpm)
||'''ETH0''' ||
||'''ETH1''' || SysKonnect SK-9871 V2.0 Gigabit Ethernet 1000Base-ZX Adapter, PCI64, Fiber ZX/SC

=== Compute Nodes ===
C1. 2x DELL !PowerEdge SC1425
||'''CPU''' || dual-processor Intel Xeon 3.2GHz / 2MB / 800FSB[[br]]
||'''RAM''' || 4GB (4x1GB, DDR2)[[br]]
||'''HD''' || 40GB SATA (7200rpm)
||'''ETH0''' ||
||'''ETH1''' ||

C2. 2x DNUK Terraserve R420
||'''CPU''' || dual-processor, dual-core AMD Opteron 2216 / 2.4GHz / 2MB / 533FSB[[br]]
||'''RAM''' || 4GB (4x1GB, PC2-4200 DDR2)[[br]]
||'''HD''' || 80GB SATA (7200rpm)
||'''ETH0''' || Intel Corporation 82541GI Gigabit Ethernet Controller
||'''ETH1''' || Intel Corporation 82541GI Gigabit Ethernet Controller

== Computer Names and IP Addresses ==

=== Cluster ===

==== Hardware ====

|| '''ID''' || '''Description''' || '''Hardware'''
|| P0 || Head Node || H1
|| P1 || Compute Node || C1
|| P2 || Compute Node || C1
|| P3 || Compute Node || C2
|| P4 || Compute Node || C2

==== External Network ====

|| '''ID''' || '''Interface''' || '''MAC Address''' || '''DNS Name''' || '''IP'''
|| P0 || eth0 || 00:13:72:A6:5B:1F || procksi0.cs.nott.ac.uk || 128.243.21.180
|| P1 || eth1 eth0 || 00:15:C5:5D:89:5A 00:15:C5:5D:89:59 || procksi1.cs.nott.ac.uk || 128.243.21.181
|| P2 || eth1 eth0 || 00:15:C5:5D:B8:AC 00:15:C5:5D:B8:AB || procksi2.cs.nott.ac.uk || 128.243.21.182
|| P3 || eth1 || 00:E0:81:4A:6A:E7 || procksi3.cs.nott.ac.uk || 128.243.21.183
|| P4 || eth1 || 00:E0:81:48:19:81 || procksi4.cs.nott.ac.uk || 128.243.21.184

==== Internal Network ====

|| '''ID''' || '''Interface''' || '''MAC Address''' || '''DNS Name''' || '''IP'''
|| P0 || eth1 || 00:00:5A:9D:44:54 || procksi0-priv.cs.nott.ac.uk || 192.168.199.10
|| P1 || eth0 eth1 || 00:15:C5:5D:89:59 00:15:C5:5D:89:5A || procksi1-priv.cs.nott.ac.uk || 192.168.199.11
|| P2 || eth0 eth1 || 00:15:C5:5D:B8:AB 00:15:C5:5D:B8:AC || procksi2-priv.cs.nott.ac.uk || 192.168.199.12
|| P3 || eth0 || 00:E0:81:4A:6A:E6 || procksi3-priv.cs.nott.ac.uk || 192.168.199.13
|| P4 || eth0 || 00:E0:81:48:19:80 || procksi4-priv.cs.nott.ac.uk || 192.168.199.14

=== Others ===

|| '''Description''' || '''External Name''' || '''External IP''' ||
|| trac || psiren.cs.nott.ac.uk || 128.243.24.84 ||

== Backup Strategy ==

* '''Cluster head node''':[[br]]
Results are stored on a RAID5 storage element. [[br]]
No external backup.
* '''Cluster compute nodes''':[[br]]
Do not contain sensible data except operating system.[[br]]
No external backup.
* '''Trac''':[[br]]
Hosts Wiki pages, SVN repository, Ticketing system, etc.[[br]]
Backup to tape system (scripts on ''much.cs.nott.ac.uk''), incremental from Monday to Friday, full dump once a week:

||'''Partition'''||'''Day''' ||
||/ ||every Tuesday ||
||/home/ ||every Wednesday ||
||/usr/local/ ||every Monday ||

Contact Person: [http://www.nottingham.ac.uk/cs/lookup/lookup_role.php?id=MDE4Mzgy&page_var=personal William Armitage]