grsync wants to copy ~/.wine files all the time.

[Flemur]

I have a data partition with ~/.wine on it, and those files get copied ... too often? I run wine programs all the time.

If I understand it, the "f..t" means "file" and "time" - if so, why do hundreds of windows files get copied when I "grsync" my data partition? (~/.wine is a link to it). No other files act like this...does wine "touch" them when they're used? It's from an ext4 partition to another ext4 partition on a USB drive.

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rsync output:
>f..t...... wine32/drive_c/windows/command/start.exe
>f..t...... wine32/drive_c/windows/system/ddeml.dll
>f..t...... wine32/drive_c/windows/system/mmsystem.dll
.d..t...... wine32/drive_c/windows/system32/
>f..t...... wine32/drive_c/windows/system32/acledit.dll
>f..t...... wine32/drive_c/windows/system32/aclui.dll
>f..t...... wine32/drive_c/windows/system32/activeds.dll
>f..t...... wine32/drive_c/windows/system32/actxprxy.dll
>f+++++++++ wine32/drive_c/windows/system32/adsldp.dll
...
>f..t...... wine32/drive_c/windows/system32/crtdll.dll
>f..t...... wine32/drive_c/windows/system32/crypt32.dll
>f..t...... wine32/drive_c/windows/system32/cryptdlg.dll
>f..t...... wine32/drive_c/windows/system32/cryptdll.dll
...hundreds more...

This is the fstab line for the SSD (from) data partition:

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$ mount | grep DATA
/dev/sda6 on /mnt/DATA type ext4 (rw,noatime,stripe=32738,data=ordered)

This is the USB partition:

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$ mount | grep EXT
/dev/sdb1 on /media/<username>/USB_EXT4 type ext4 (rw,nosuid,nodev,relatime,data=ordered,uhelper=udisks2)

[WharfRat]

You didn't show the most important piece of the puzzle, namely the rsync directive.

It could be the time stamp difference with windows if wine is a true emulator.

From the rsync man page

--modify-window
When comparing two timestamps, rsync treats the timestamps as being equal if they differ by no more than the modify-window value. This is normally 0 (for an exact match), but you may find
it useful to set this to a larger value in some situations. In particular, when transferring to or from an MS Windows FAT filesystem (which represents times with a 2-second resolution),
--modify-window=1 is useful (allowing times to differ by up to 1 second).

[Flemur]

You didn't show the most important piece of the puzzle, namely the rsync directive.
--modify-window=1 is useful (allowing times to differ by up to 1 second).

Thanks, I already have that set (I forget to include it in 1st post):
grsync -> File -> rsync command line:

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rsync -r -t -p -o -g -x -v --progress --delete -l -H -i -s --exclude=.Trash-1000 --exclude=lost+found --modify-window=1 /mnt/DATA/ /media/<username>/USB_EXT4/DATA/

I'm trying to see when it wants to copy those "system32"-type files; after running foobar/photoshop/audition, grsync only wants to copy some foobar/photoshop/audition files, which makes sense.

[WharfRat]

You can eliminate some of the options using the -a or --archive imstead of -r -t -p -o

Try the -u option (skip files that are newer on the receiver)