cp rcp xfer time difference

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Article #11580

#11580

From: Robert McGraw
Date: Wed, 15 Mar 1989 23:49

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1. OVERVIEW - We have a Sun 4/280 server running SunOS 4.0.1 and a
Sun4/110 client running SunOS 4.0.1. The Sun4/110 has a 327 MB drive
attached. 

2. QUESTION - When I copy (cp) a file from the 4/110 physical disk to the
4/280 physical disk, the file speed is about 55 Kb/sec. If I remote copy
(rcp) a from from the 4/110 to the 4/280 I get transfer speed of 300
Kb/sec. Why is there a big difference in xfer time between the "cp" and
"rcp" over the NFS.

 Robert P. McGraw, Jr., National Solar Observatory/SPO 
 Box 62, Sunspot, NM 88349 USA, (505)434-7038 
 UUCP: {arizona,decvax,ncar}!noao!sunspot!mcgraw
 uunet!noao.arizona.edu!rmcgraw
 Internet: rmcgraw@sunspot.noao.edu  
 SPAN/HEPNET: 5355::RMCGRAW or NOAO::RMCGRAW

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!uw-beaver!rice!sun-spots-request
From: mcgraw@sunspot.noao.edu (Robert McGraw)
Newsgroups: comp.sys.sun
Subject: cp rcp xfer time difference
Keywords: SunOS
Message-ID: <869@sunspot.UUCP>
Date: 15 Mar 89 23:49:25 GMT
Sender: usenet@rice.edu
Organization: National Solar Observatory, Sunspot NM
Lines: 16
Approved: Sun-Spots@rice.edu
Original-Date: 6 Mar 89 16:34:26 GMT
X-Sun-Spots-Digest: Volume 7, Issue 201, message 9 of 15