Solved

issue with robocopy

Posted on 2011-03-04
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Last Modified: 2012-05-11
Hi,
   Can someone help with i robocopy a file server data over to a file server on another site over 100 mbs line


-------------------------------------------------------------------------------
   ROBOCOPY     ::     Robust File Copy for Windows                              
-------------------------------------------------------------------------------

  Started : Tue Feb 01 18:00:01 2011

   Source : E:\directory
     Dest : \\server\directory\

    Files : *.*
          
  Options : *.* /NDL /NFL /TEE /S /E /COPYALL /PURGE /MIR /MT:8 /R:1 /W:1

------------------------------------------------------------------------------

               Total    Copied   Skipped  Mismatch    FAILED    Extras
    Dirs :     15502         3     15499         0         0        40
   Files :    295685       118    295567         0         0       198
   Bytes : 133.444 g   4.023 g 129.421 g         0         0   58.89 m
   Times :   2:32:47   0:07:58                       0:00:00   2:19:44


   Speed :            22595743 Bytes/sec.
   Speed :            1292.938 MegaBytes/min.

   Ended : Wed Feb 02 08:55:32 2011

If you look at the start time up the top it started at 18:00 and finished the next morning at 8.55 over 14 hrs which
seems very poor perfomance??? But if you look at the robocopy totals the total time is 2:32 ??? The speed is 22595743 bytes
a second (172 megabits a second)  which seems to me a very good performance. If it is taking 2:32 what is doing for the other
time??

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Question by:BarepAssets
7 Comments
 
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Expert Comment

by:Miguel Angel Perez Muñoz
Comment Utility
Why have you got 295567 skipped files? It´s possible that files are in use? the time displayed is the effective time of copy, no waiting time because robocopy locked files or whatever
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Expert Comment

by:Guy Hengel [angelIII / a3]
Comment Utility
it's the "extra" time of 2:19:44 where is is checking if a file has to be copied over, actually, comparing the flags/times of the local and remote file
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Author Comment

by:BarepAssets
Comment Utility
Is skipped files not just files that have no changes so do not need to be copied ???

So if i am understanding this extra time this is the scan of the files comparison is taking 2:19 and then
the copy over the network is taking all the other time??
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Expert Comment

by:lionelmm
Comment Utility
                 Total    Copied      Skipped  Mismatch    FAILED    Extras
    Dirs :     15502         3        15499         0              0           40
   Files :    295685       118     295567       0              0          198
   Bytes : 133.444g   4.023g 129.421g     0              0          58.89 m
   Times :   2:32:47   0:07:58                       0:00:00   2:19:44
What this tells you is that it went through 15502 Directories--all but three were already there so it only copied 3 new directories. It read through and compared 295685 files, files on the source and compared them to what was on the destination--based on that comparison it only copied 118 "new" files (new or changed)--the time it took to copy those "new" files and directories took 7:58--the remaining time of 2:19:44 was used to compare files.

Started : Tue Feb 01 18:00:01 2011
Ended : Wed Feb 02 08:55:32 2011

This does not compute with the notes above and so cannot explain this. Can you re-run it again for me and let me know these times again--it should only be showing around 2 hours and 20 minutes elapsed and not 8.
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Accepted Solution

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BarepAssets earned 0 total points
Comment Utility
i done as  a test replacing the robocopy.exe on the windows 2008 64 b it r 2 server with the windows 2003 robocopy 32 bit version 5111010  ran the robocopy it finished in 15 mins more of the times i would have been expected companred to the 14 hrs  there must be an issue with 2008 64 bit robocopy i have only started testing this so i am not guaranteed it is stable using the 32 bit version 2003 robo but i will see how i get on

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Author Comment

by:BarepAssets
Comment Utility
just aswell the 2003 32 bit robocopy on windows 2008 does not seem the like /MT: string i had to take it out to get the robocopy to run
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Author Closing Comment

by:BarepAssets
Comment Utility
I found the issue
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