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