Guralp Systems CMG-DCM build <10,000 User Manual

Page 144

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Acquisition Modules and Platinum Firmware

Recording and Retrieving Data

Files to be copied should be created in the directory /var/spool/to­rdisk.

The following options are available:

File name: When building the directory in to which files are copied, any

tokens in the template string are replaced with strings based on the current
date/time. The following tokens are supported:

%%

a literal percentage sign

%h

system hostname

%Y

4-digit year number

%m

2-digit month number (01-12)

%d

2-digit day of month (01-31)

%j

3-digit ordinal day/day of year (001-366)

%H

2-digit hour (00-23)

%M

2-digit minute (00-59)

%I

4-digit ISO year number (for use with ISO week)

%W

2-digit ISO week number (01-52)

%w

1-digit ISO day of week (1/Monday-7/Sunday)

Forward-slashes ('/') will cause subdirectories to be created. If using recycle

mode, be sure to start the file-name template with the date in either
year-month-day, year-ordinal or year-week-weekday format so that the sorting

algorithm can identify the oldest files correctly.

Flush threshold: Files from /var/spool/to­rdisk are copied to the mass
storage device when their total size exceeds the threshold size defined (in

Mebibytes) in this field.

Enable syslog recording: If this checkbox is ticked, the system log
(/var/log/messages) is also copied to the mass storage device. This option

consumes very little space and can be a significant help when debugging any
problems.

11.2.1.5 NFS

Platinum systems can write to external, network-accessible NFS storage

systems, such as NAS systems. This option is primarily intended for use with
CMG-NAMs and CMG-NAM64s in data-centre applications. GSL can supply

suitable NAS systems for this purpose.

To use external NFS storage, select “Remote NFS mount” in the “Storage

device” drop-down menu of the “Storage device” tab (see section 11.2.1.1 on
page 140) and complete the fields in the “NFS” tab as described below.

MAN-EAM-0003

144

Issue E - February 2014

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