Re: Time Change DST 2007 question
- From: Yan Hu <yhu@xxxxxxxxxxxxxxxxx>
- Date: Fri, 15 Dec 2006 09:53:14 -0500
Hello, All
It seems that it has been confirmed that simply changing the TZ environment variable will work for AIX version 4.3, 5.1, 5.2, and 5.3.
So I assume that for 5.2 and 5.3, it is not necessary to upgrade them to ML8 and ML4, respectively.
Please correct me if I am wrong.
Thanks in advance.
Yan Hu
-----Original Message-----
From: IBM AIX Discussion List [mailto:aix-l@xxxxxxxxxxxxx]On Behalf Of Lamar Saxon
Sent: December 15, 2006 9:29 AM
To: aix-l@xxxxxxxxxxxxx
Subject: Re: Time Change DST 2007 question
You will need to edit the TZ variable in /etc/environment.
You will also need to restart all processes that use the $TZ variable. Best bet is to a quick reboot so that all processes have the new changes to TZ in their environment.
Lamar
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From: IBM AIX Discussion List [mailto:aix-l@xxxxxxxxxxxxx] On Behalf Of Naylor, Jim
Sent: Friday, December 15, 2006 8:06 AM
To: aix-l@xxxxxxxxxxxxx
Subject: Re: Time Change DST 2007 question
Hello All,
Can you just use the touch command on /etc/environment or do you actually have to change the TZ value? When do you have to do this, any time prior to the time change or after the time change occurs?
Thanks,
Jim Naylor
Unix/Storage Systems Administrator
Schnuck Markets, Inc.
* Direct (314) 994-4784
))( Cell (314) 691-0186
Fax (314) 994-4684
* E-Mail jnaylor@xxxxxxxxxxxx
-----Original Message-----
From: IBM AIX Discussion List [mailto:aix-l@xxxxxxxxxxxxx]On Behalf Of Christopher Baker
Sent: Monday, November 20, 2006 3:39 PM
To: aix-l@xxxxxxxxxxxxx
Subject: Re: Time Change DST 2007 question
Robert,
Unless there is something wrong with the reading of TZ, then, yes, all you have to do is alter the value of TZ in /etc/environments file.
Looking at the fixes for 5.1 and 5.2 and some of 5.3, it looks like the fixes are for SMIT or WLM which you get around by just doing the editing. Of course, if you install a box at the lower ML level, you will have to re-do the edit of the TZ variable.
We have some very critical 5.3 boxes that are not at the minimum TL4 level, but we do not plan, for now, to touch them.... So we may be editing the TZ variable also.
Good luck
Christopher M. Baker
Senior Technical Support Analyst
HPCE - Linux Cluster Development and Support
Goodyear Tire and Rubber Company
330.796.1725
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Sent by: IBM AIX Discussion List <aix-l@xxxxxxxxxxxxx>
11/20/2006 10:28 AM
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Re: Time Change DST 2007 question
Best I could tell from trying to download the APAR is that for 5.2 you'll need to go to ML8 if you're not already. If you check the box labelled 'keep me at my current maintenance level', it won't let you download the fix until you change the level you're at to ML8.
I have some news from a vendor that the workaround for 4.3.X may work, but it's unverified as of yet... can anyone confirm or deny that simply changing the TZ environment variable will work?
--rm
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From: IBM AIX Discussion List [mailto:aix-l@xxxxxxxxxxxxx] On Behalf Of Larry Scheetz
Sent: Monday, November 20, 2006 6:58 AM
To: aix-l@xxxxxxxxxxxxx
Subject: Time Change DST 2007 question
Admins,
Below I have copied from IBM web page recommended "Apars" for the DST change in 2007. I want to make sure I have this all ready to go. I currently have some machines running 5.1 and 5.2 and was wondering if these below will cover what I need. Also, would any of these require a reboot of the systems? Thank you for your time in advance. I am currently in EST.
Thanks
Larry
AIX 5.1
IY75214 DAYLIGHT SAVING TIME DEFAULT CHANGING IN 2007
IY34203 SMITTY CHTZ APPENDING 2 COMMAS AFTER TZ
IY49871 SMITTY CHTZ_USER LIMITS THE EDITING OF TIMEZONE TO THREE CHARACTERS
IY21283 PROBLEM WITH SMITTY CHTZ_USER MENU WHEN SOME FIELD ARE LEFT BLANK
IY75214 DAYLIGHT SAVING TIME DEFAULT CHANGING IN 2007
AIX 5.2
IY75213 DAYLIGHT SAVING TIME DEFAULT CHANGING IN 2007
(This APAR is included in Technology Level 5200-08 and later.)
IY35629 SMITTY CHTZ APPENDING 2 COMMAS AFTER TZ
IY49813 SMITTY CHTZ_USER LIMITS THE EDITING OF TIMEZONE TO THREE CHARACTERS
IY39159 DEFAULT DST TZ SETTINGS WITH AN OFFSET FAILS TO RETURN TO STD
IY39312 SETTING TZ FAILS WITH QUOTED TIMEZONES
IY43243 CRITICAL FIXES FOR AIX 5.2 AS OF APRIL 2003
IY44169 WLM CONFIGURATION SET DOESN'T WORK RIGHT WHEN CHANGING TZ (TIME ZONE)
IY37121 IN UDF FILESYSTEMS, LOSTFILES.DIR HAS OLD DATE
IY37445 TIMEZONE DEFAULTS FOR NEW ZEALAND INCORRECT
IY75213 DAYLIGHT SAVING TIME DEFAULT CHANGING IN 2007
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