hidden:BWA ProjectPlanning item D16 HPSS Trash Can Feature: Difference between revisions
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(gelöscht) |
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* '''reopened''' |
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* RADAR hätte gerne die Möglichkeit gelöschte Dateien innerhalb einer gewissen Zeitspanne wieder zurück zu holen |
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* HPSS bietet das Feature 'Trash Can' s. HUF 2014 http://huf2014.rzg.mpg.de/program 'HPSS Trash Can Feature' /Herb Wartens, (Lawrence Livermore National Lab) LLNL |
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* Ahmad schaut sich die erschiedenen Einstellungen an und meldet sich zurück. |
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* Es soll auch getestet werden was bei veränderten Daten passiert. |
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* Mail Ahmad vom Fr 11.09.2015 |
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1.Trashcans uf HPSS Production aktiviert, mit folgenden Einstellungen: |
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Number of Trashcan Threads: 5 -> Number of threads starded for deletion |
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Trash Incinerator Interval: 86400 seconds -> Deletion Starts every 24 h |
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Trash Unlink Eligible Time: 864000 seconds -> Delettion for Files |
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older thnan 10 Days |
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Trash Stistics Interval; 3600 seconds -> Deletion Statistics |
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every 1 h (*) |
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(*) To get Trashcan statistics: |
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[root@hpsscr ~]# /opt/hpss/bin/hpssadm.pl -U hpssssm -a /var/hpss/etc/hpss.unix.keytab |
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hpssadm> server info -name "Core Server" -specific |
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rashcan Statistics |
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Last Trash Statistics Time Sep 11, 2015 10:03:43 AM |
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Total Objects in the Trash 0 |
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Size of Objects in the Trash 0 |
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Total Objects Eligible for Unlink 0 |
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Size of Objects Eligible for Unlink |
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2. Cronjob for for hpssstatistics |
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Location: /etc/cron.d/hpssstat |
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# Output as CSV File in /var/hpss/acct |
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# Once a week on Mon. 00:00 |
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0 0 * * 1 root cd /var/hpss/acct; /usr/local/bin/hpssstats.py KIT.EDU |
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3. Cronjob for User accounting: |
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# first day every month |
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# Output in /var/hpss/acct |
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0 0 1 * * root /opt/hpss/bin/hpss_acct -s 1 |
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* Tests von Dorin und Ahmad s. Mail vom 5. und 6.10.2015 |
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* Trash can auf Testsystem einrichten |