Boiarino: Created page with "JLAB SILO system is used to move data to tape during data taking. It is controlled by cron job on Event Recorder machine (currently clondaq5/clondaq6), run as user 'clascron'..."

2017-02-07T17:15:07Z

Created page with "JLAB SILO system is used to move data to tape during data taking. It is controlled by cron job on Event Recorder machine (currently clondaq5/clondaq6), run as user 'clascron'..."

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JLAB SILO system is used to move data to tape during data taking. It is controlled by cron job on Event Recorder machine (currently clondaq5/clondaq6), run as user 'clascron' (shows setting for ''kpp'' run, data recorded into ''/data/totape'' directory and deleted automatically after being recorded to the tape):

clondaq6:clascron> crontab -l
# Scan for to-tape files every 15 minutes
10,25,40,55 * * * * /usr/local/scicomp/jasmine/bin/jmigrate /data/totape /data/totape /mss/clas12/kpp/data -jvm:-Dfile.transfer.client.displayrates=true
# access occasionally to keep it visible
* * * * * /bin/csh -c "(ls -al /lustre/scicomp/jasmine/fairy2/) >>&! /usr/logs/disks/clondaq6_lustre"
* * * * * /bin/csh -c "(sleep 48; rm -f /usr/logs/disks/clondaq6_lustre) >>&! /dev/null"
clondaq6:clascron>

Following line must be present in ''/etc/auto.direct' file:

/lustre/scicomp/jasmine/fairy2 -fstype=nfs,rw,async,vers=3 scidaqgw10a:/lustre/scicomp/jasmine/fairy2

and mount-point directory ''/lustre/scicomp/jasmine/fairy2'' must exist.

Request have to be submitted to Computer Centre to create corresponding volume (''clas12/kpp/data'' in example above) if used for the first time.

SILO - Revision history

Boiarino: Created page with "JLAB SILO system is used to move data to tape during data taking. It is controlled by cron job on Event Recorder machine (currently clondaq5/clondaq6), run as user 'clascron'..."