1 Leiden, November 20-21, 2001OAC ASTROWISE TEAM OAC WP4: OAC BeoWulf Hardware choice criteria :...
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Transcript of 1 Leiden, November 20-21, 2001OAC ASTROWISE TEAM OAC WP4: OAC BeoWulf Hardware choice criteria :...
![Page 1: 1 Leiden, November 20-21, 2001OAC ASTROWISE TEAM OAC WP4: OAC BeoWulf Hardware choice criteria : physical space problem flexible configuration cope with.](https://reader036.fdocuments.in/reader036/viewer/2022083009/5697c0241a28abf838cd4df0/html5/thumbnails/1.jpg)
1Leiden, November 20-21, 2001
OAC ASTROWISE TEAM
OAOACC
WP4: OAC BeoWulf
Hardware choice criteria:
• physical space problem
• flexible configuration
• cope with the technology transition for CPU
![Page 2: 1 Leiden, November 20-21, 2001OAC ASTROWISE TEAM OAC WP4: OAC BeoWulf Hardware choice criteria : physical space problem flexible configuration cope with.](https://reader036.fdocuments.in/reader036/viewer/2022083009/5697c0241a28abf838cd4df0/html5/thumbnails/2.jpg)
2Leiden, November 20-21, 2001
OAC ASTROWISE TEAM
OAOACC
WP4: OAC BeoWulf
BeoWulf arrived in Napoli on November 14th Configuration: 1 Master
8 slave nodes
1 Switch
Slave nodes configuration: cabinet 2U
MB Tyan TIGER 200T dual processor
CPU PIII 1GHz (can mount PIIIs)
RAM 512MB ECC registered
HD 40 GB IBM IDE
Network: 2 modules 100TBase
![Page 3: 1 Leiden, November 20-21, 2001OAC ASTROWISE TEAM OAC WP4: OAC BeoWulf Hardware choice criteria : physical space problem flexible configuration cope with.](https://reader036.fdocuments.in/reader036/viewer/2022083009/5697c0241a28abf838cd4df0/html5/thumbnails/3.jpg)
3Leiden, November 20-21, 2001
OAC ASTROWISE TEAM
OAOACC
WP4: OAC BeoWulfMaster configuration:
• cabinet 4 U• MB TYAN Thunder HE SL dual Processor• CPU: two PIII 1 GHZ• RAM: 1 GB ECC registered• 2 HD 75 GB + 1 HD 18 GB scsi• Gigabit ethernet module
Switch:•Allied Telesyn 24 ports 100TBase•1 port Gigabit ethernet
Total cost:14 KEU + tax
![Page 4: 1 Leiden, November 20-21, 2001OAC ASTROWISE TEAM OAC WP4: OAC BeoWulf Hardware choice criteria : physical space problem flexible configuration cope with.](https://reader036.fdocuments.in/reader036/viewer/2022083009/5697c0241a28abf838cd4df0/html5/thumbnails/4.jpg)
4Leiden, November 20-21, 2001
OAC ASTROWISE TEAM
OAOACC
WP4: OAC BeoWulf
Software•OS: LINUX 7.2 kernel 2.4.7-10•Administration: OSCAR 1.1
![Page 5: 1 Leiden, November 20-21, 2001OAC ASTROWISE TEAM OAC WP4: OAC BeoWulf Hardware choice criteria : physical space problem flexible configuration cope with.](https://reader036.fdocuments.in/reader036/viewer/2022083009/5697c0241a28abf838cd4df0/html5/thumbnails/5.jpg)
5Leiden, November 20-21, 2001
OAC ASTROWISE TEAM
OAOACC
Some results with BeoWulf at ESO
• To create a Master Bias out of 5 raw WFI images using
a special designed eclipse recipe: 68 sec
• To create a Master Flat-Field out of 5 raw dome-flats
and 5 sky-flats: 390 sec
• To obtain a catalogue of identified standard stars from a raw
Landolt field (i.e. including astrometric calibration): 140 sec
• The same for 1 CCD extension processed on one node: 88 sec