It's much easier than that. The linux box keeps time in GMT, and displays
it in the configured time zone. Try this, on the linux box:
"touch testfile
ls -l testfile
TZ=EST5
export TZ
ls -l testfile"
You will see the displayed time change, because it's being translated from
epoch time (that's what I call it, anyway) - seconds since midnight,
January 1, 1970.
Your windows box is probably configured to keep and display time in local
time. Change it to "hardware clock is in GMT" or whatever it is.
The other potential kicker is that ms keeps time in 2-second granularity,
or at least, it did in some iterations, hence the "--modify-window=N"
option, which lets you say that any time within N seconds is a match. You
probably don't need that one, though.
Tim Conway
[EMAIL PROTECTED]
303.682.4917
Philips Semiconductor - Longmont TC
1880 Industrial Circle, Suite D
Longmont, CO 80501
Available via SameTime Connect within Philips, n9hmg on AIM
perl -e 'print pack(nnnnnnnnnnnn,
19061,29556,8289,28271,29800,25970,8304,25970,27680,26721,25451,25970),
".\n" '
"There are some who call me.... Tim?"
Robert Scholten <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
04/04/2002 04:14 AM
To: rsync users <[EMAIL PROTECTED]>
cc: (bcc: Tim Conway/LMT/SC/PHILIPS)
Subject: is it a bug or a feature? re:time zone differences, laptops,
and
suggestion for a new option
Classification:
>Hi,
I am using rsync to back up some files from a WinXP laptop to a Linux
server. The two machines are in different time zones (8 hour
separation). It seems that rsync wants to do a full checksum on every
file
because it thinks their time stamps are different.
Example:
GMT is 9am, Local time (Netherlands) 10am, remote time
(Australia) 8pm
In this case, the file was created and copied to both machines with the
same timestamp (e.g. 8pm) when both machines were in the same timezone
(Australia). Then I changed countries with my laptop, and ran
rsync. After rsync, the remote (Linux) file has a new timestamp which 8
hours earlier (e.g. 10am).
I guess that in some sense, rsync "thinks" they were created at different
universal times, and after rsyncing, they are matched to the same UTC.
This is OK after I have done it once, but would it be possible to tell
rsync that if the timestamp difference is the same as the current time
difference, it should ignore? Or just change the timestamp rather than
doing a full checksum? I could write a script to run on the Linux box, to
change the timestamps by the 8-hour time diff, and revert when I return to
Australia, but surely this happens regularly to other people with laptops?
Or am I totally confused?
Any help will be appreciated.
Thanks,
Rob.
--
Robert Scholten
Eindhoven University of Technology
Physics Department, building N-laag room g2.02
P.O. Box 513, 5600 MB Eindhoven
The Netherlands
Tel: +31 40 247 4242
Mobile: +31 611 430 467
Fax: +31 40 245 6050
email: [EMAIL PROTECTED]
http://www.ph.unimelb.edu.au/~scholten
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