Robocopy Question

[Dinkytoy]

Not sure if this is best forum to use but it seemed like the best spot.

I've got a problem with copying a large file (for backup purposes). I've tried using both xcopy and installing the resource kit and using robocopy both give me the following error:

Insufficient system resources exist to complete the requested service

From my recent attempts it always seems to get to 70-80% then bombs and retries 30 secs later. The file is around 15GB and diskspace is not a problem.

I've googled and only found references to the issue when moving either large numbers of files (which could be resolved by reducing the number, not possible here) and in Windows 2000/NT4 which was apparently solved by a service pack.

Anyone got any advice or a solution?

 

[itsp1965]

usually the cause is exactly as indicated you do not have enough temporary required to perform the copy. How much RAM do you have available? Try closing some programs that are not necessary, disable antivirus scanning of the folder you are copying from (temporarily), increasing your pagefile to compensate for lack of memory and give robocopy another try.

 

[Dinkytoy]

Hmm not really possible the box in question is a live SQL box with 4GB RAM and I can't mess about with it. I do not see any large spike (rises by ~30mb) in memory when running the copy so don't think memory is an issue, and I can't exactly upgrade it if it is (32bit std).

The file is likely to continue growing over time so even if I scrape it through it's going to be a problem again very shortly.

 

[xmsre]

The insufficient resouce is nonpaged pool. As you copy, stuff gets cached until CcDirtyPageThreshold is hit then it starts dumping to disk, which gets swamped, and the paging starts, and you're in the downward death spiral until you allocate so many PTEs you exhaust nonpaged pool.

1. Apply kb920739 and set CcDirtyPageThreshold to something more reasonable.

2. Check your available free system PTEs, you may need to play with /USERVA like you do on Exchange to allow for more.

 

[Dinkytoy]

That looks promising. I'll have a look and see if I can give it a whirl this weekend. Thanks.