URGENT: Recent AIX 6 & AIX 7 Day Light Saving Time Fix for this weekend
nagger 100000MRSJ Comment (1) Visits (14560)
Many countries switch to Daylight Saving Time (DST) next weekend March 25th - unfortunately you may need to apply a fix to AIX 6 and AIX 7 before the change or programs can get inconsistent time from various time function and systems calls. This could have a major impact on many tools, for example, make, logs and databases ... well just about anything that uses a time value.
There was an earlier temporary fix available but now there is a fully details final fix. Please got to the bellow website for all the details:
Very briefly this involves the following AIX levels (see the website above for the definitive list):
AND only if you are using POSIX time zones - again more info on the website above.
Then you will need to either install a small downloadable Emergency Fix (efix) and REBOOT - - O R - - switch to Olson Time and REBOOT.
My systems are at the effect AIX level but I am using Olson time:
$ echo $TZPOSIX time looks like GMT0BST - see the website above for examples.
So I have been lucky (and it was chance and not good some best practice or foresight) - Please check your systems TODAY.