[Casper] EXTREMELY slow imaging

[Thomas Larkin]

Pete

I have seen this happen for many different reasons.  How are you set up to image?  Unicasting, multicasting?  AFP can be fickle and slow if you don't kick off the imaging all at the same time.

Also, disk I/O is always going to be your slowest bottle neck.   HDs that are about to fail always image slow, or if your NIC is going bad I have seen the same thing.

 
 

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Thomas Larkin
TIS Department
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tlarki at kckps.org
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>>> "Wann, Peter" <p.wann at tcu.edu> 07/08/09 3:30 PM >>> 
Hi all, long time listener, first time caller...

I've been using Casper for about a month now, we've completely  
migrated our imaging processes over to JSS/Casper Imaging, and for the  
most part everything is awesome.

Except that every once in a while I'll get a system that is slow as  
Christmas in taking a new image. This makes no sense to me at all  
since I'm on a gigabit connection to my server, and it's the ONLY  
system being imaged. I suppose there could be heavy network overhead,  
but I doubt it since it's the summer and nearly everyone is out of the  
office.

Has anyone else seen this behavior, and if so, did you find a way  
around it?

Thanks,

Pete Wann
Apple Systems Administrator
Texas Christian University
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