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System Administrator’s Guide to Installing DataMgr
3-4 Setup Tasks
Schedule
cron Jobs
During installation, DataMgr puts entries in the root crontab
that perform the tasks described below. If the default schedule
does not suit your site’s needs, edit the
cron file. For more
information, see “Edit cron File” on page 3-10.
DMFS cron job
On all DMFS Clients, the crontab performs the following
jobs:
• Nightly at Midnight: Runs the
/etc/dmfs/usr/utils/dmfsscan utility, which
migrates client files based on configured watermarks. For
more information, see “Back Up Databases” on page 3-6,
and refer to the Utility Reference in System Administrator’s
Guide to Using DataMgr.
• Sunday at 1 a.m.: Runs the
/etc/dmfs/usr/utils/dmfsaudit utility, which
synchronizes databases. For more information, refer to the
Utility Reference chapter in System Administrator’s Guide
to Using DataMgr.
• Nightly at 11:45 p.m.: Runs the
/etc/dm/usr/utils/clearlog.sh script, which backs
up the SSD log to
/etc/dm/log/ssd/transfile and
truncates the file. The SSD log indicates each record ID,
bitfile ID, and file name that has been migrated by DataMgr.
It also contains a file that registers all the AMASS
transactions. After running the
clearlog.sh script,
DataMgr saves the SSD log as
transfile.x. For more
information, see “Save SSD Logs” on page 3-9. The
clearlog script also saves the current and last four system
logs.