[rrd-users] RRD error at DST shift on sparc Solaris?
TGehrke at telecomsys.com
Fri Nov 11 00:24:03 CET 2011
I see in the rrdfetch man page there is a DST warning saying "If you
specify time offset in days, weeks, months, or years, you will end with
the time offset that may vary depending on your time reference,... 1 day
may be not equal to 24 hours twice a year, when DST-related clock
adjustments take place...."
I used seconds for all the offsets when the DS was created.
dataToKeep=`expr $rraDaysToKeep \* 86400
if [ $step -lt 1800 ]; then
1800 / $step`
halfHourValuesToKeep=`expr $rraDaysToKeep \* 48`
if [ $step -lt 3600 ]; then
$rraDaysToKeep \* 24`
When I said that everything was in epoch, I was implying that none of my
scripts use localtime or a named time offsets. All my data is inserted
using an epoch time and my rrdfetch uses "-s <epoch>-300".
So is it the case that if my system is running with a TZ offset that
twice a year RRD is going to return an error?
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