[Novalug] rsync question

[Brian Steisslinger]

rsync automatically will update changed files and write new files... unless
you override those options...



On 5/2/07, Megan Larko <larkoc at iges.org> wrote:
>
> Happy May to you!
>
> I think that I am mis-understanding my reading of the "man rsync"
> documentation.
>
> I have two disks, one of which is from a remote location that has been
> "sneaker-netted" to my
> system.  The objective is to reconcile the local disk to include files
> picked up by the disk at its
> remote location (The remote box is an ftp script box which gets data as a
> backup to our main ftp
> box.   The main box had new hardware put in and was down for two days.
> We want to obtain the data
> no longer on the ftp site  from our remote ftp box to the main/primary
> box.)
>
> I mounted the "sneaker-netted" disk to our primary system.  The question I
> am asking is "What files
> exist on SRC but not on DEST?"
>
> From "man rsycn" I came up with "rsync -an -e --ignore-existing
> /megtmp/DATA/  /DISK1/DATA/"
> I directed the output to a file.  My understanding is that -a is "archive"
> -n is "dry-run"---don't
> actually move any data and -e --ignore-existing is to 'ignore files that
> already exist on the receiver'.
>
> The output in my file seemed to be files in-common.
> [larkoc at crew 200704]$ ls -l
> /megtmp/DATA/TRMM/3B4xRT/200704/3B42RT.2007041606.bin
> -rw-r--r--  1 1000 users 3458880 Apr 17 07:24
> /megtmp/DATA/TRMM/3B4xRT/200704/3B42RT.2007041606.bin
> [larkoc at crew 200704]$ ls -l
> /DISK1/DATA/TRMM/3B4xRT/200704/3B42RT.2007041606.bin
> -rw-r--r--  1 larkoc larkoc 3458880 Apr 18 07:24
> DISK1/DATA/TRMM/3B4xRT/200704/3B42RT.2007041606.bin
>
> [larkoc at crew 200704]$ ls -l
> /megtmp/DATA/NRL/6-hour/200704/200704160000.6.pmw
> -rw-r--r--  1 1000 newspi 1382400 Apr 16 04:32
> /megtmp/DATA/NRL/6-hour/200704/200704160000.6.pmw
> [larkoc at crew 200704]$ ls -l
> /DISK1/DATA/NRL/6-hour/200704/200704160000.6.pmw
> -rw-rw-r--  1 larkoc larkoc 1382400 Apr 16 04:31
> /DISK1/DATA/NRL/6-hour/200704/200704160000.6.pmw
>
> How should I craft my command to get files that exist only on
> /megtmp/DATA/ but that do not exist on
>   /DISK1/DATA/?
>
> Thanks!
> megan
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