need help on daylight saving time issue.

[Yan Zhang-4]

Hi,
 
I am in Australian. Now it is daylight saving time in Australian. I have daysaving time issue on samba client as below.
 
On AIX server, I get the following two files's modified time via command istat.
/zytest/file1     (Modified time:    Fri Sep 18 12:07:37 EST 2009)
/zytest/file1     (Modified time:    Sun Nov  1 13:42:16 EDT 2009)
 
On samba client Windows machine, the modified time is as follows

Name                                 Size                Type                    Date Modified
file1                                      1 KB               File                     18/09/2009  1:07 PM
file2                                      0 KB               File                      1/11/2009  1:42 PM
 
For file1, there is a 1 hour discrepancy on modified time shown on AIX server and samba client.
 
The file1 was modified before the daylight saving date began, while the file2 was modified after daylight saving date began.
The AIX timezone environment variable TZ is EET-10EETDT,M10.1.0/02:00,M4.1.0/03:00, which is correct.
 
I even upgraded samba from 3.0 to 3.4.2 on AIX 5.3, but the issue is persistent. Please shed light on how to solve this issue.
 
 
Best regards,
 
 
Yan Zhang
     
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[Adam Nielsen-2]

> On AIX server, I get the following two files's modified time via command istat.
> /zytest/file1     (Modified time:    Fri Sep 18 12:07:37 EST 2009)
> /zytest/file1     (Modified time:    Sun Nov  1 13:42:16 EDT 2009)

Note that file1 is in the EST timezone (GMT+10) and the second file1
(file2?) is in the EDT timezone (GMT+11 during daylight saving.)

> For file1, there is a 1 hour discrepancy on modified time shown on AIX server and samba client.

Not if you take into account the different timezones.

> The file1 was modified before the daylight saving date began, while the file2 was modified after daylight saving date began.
> The AIX timezone environment variable TZ is EET-10EETDT,M10.1.0/02:00,M4.1.0/03:00, which is correct.

Evidently your filesystem also stores the timezone, which is why the two
 files have different timezones on them.  It would seem that the current
behaviour is correct - file1, although modified before daylight saving
started, is being reported as though daylight saving was in effect at
the time.

Cheers,
Adam.

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