[rrd-users] I don't understand ':strftime' in command: 'GPRINT:IORATE:MAX:%c:strftime'. Error creating the Storage IORATE PNG file
Steve Shipway
s.shipway at auckland.ac.nz
Thu Jun 19 00:04:09 CEST 2014
You are mixing the old and new GPRINT syntaxes, which is why it doesn’t work.
Old deprecated style:
GPRINT:varname:cf:format
Where ‘varname’ is a DEF or CDEF, and CF is AVG, MAX, MIN, LAST
New style:
VDEF:vdefname=varname,function
GPRINT:vdefname:format[:strftime]
The new style uses a VDEF in the GPRINT, which has to be defined separately. ‘function’ is one of the summary stat RPN functions (see the RPN manual) that include AVERAGE, MAXIMUM and also the LSL and Percentile calculations.
So, to do what you want, you would need to have (using the new syntax) something like:
VDEF:ioratemax:iorate,MAXIMUM
GPRINT:ioratemax:’Maximum IO value %5.2lf%sbps at ’
GPRINT:ioratemax:%c:strftime
Steve
Steve Shipway
s.shipway at auckland.ac.nz
From: rrd-users-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch [mailto:rrd-users-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch] On Behalf Of Steven Sim
Sent: Thursday, 19 June 2014 3:08 a.m.
To: rrd-users at lists.oetiker.ch
Subject: [rrd-users] I don't understand ':strftime' in command: 'GPRINT:IORATE:MAX:%c:strftime'. Error creating the Storage IORATE PNG file
Err...
I cannot figure out this error ...
1341 entries processed!
ERROR: I don't understand ':strftime' in command: 'GPRINT:IORATE:MAX:%c:strftime'.
Error creating the Storage IORATE PNG file
The syntax of the GPRINT command as follows ...
.
.
.
HRULE:${_MAXVALUE}${BLUE}:'80% Max Value':dashes
GPRINT:${_METRIC1}:MAX:'Maximum IO value %5.2lf'
GPRINT:${_METRIC1}:MAX:%c:strftime
The rrdtool graph render command works just fine until I add the last line
What's wrong with the strftime syntax?
Deepest Regards
Steven Sim
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