Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!ucbvax!MIMSY.UMD.EDU!chris
From: chris@MIMSY.UMD.EDU (Chris Torek)
Newsgroups: comp.sys.pyramid
Subject: Re:  dump/restore in OSx 4.4
Message-ID: <8905260356.AA07313@mimsy.umd.edu>
Date: 26 May 89 03:56:16 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 13

In article <11218@polyslo.CalPoly.EDU>
unmvax!polyslo!steve@ucbvax.Berkeley.EDU (Steve DeJarnett) writes:
>Can anyone in netland give any good reason why restore takes as 
>much as 4x longer to run than dump does on the same filesystem??  

This is typical of most 4BSD systems.  Essentially, the reason is
that restore uses the file system in a straightforward manner, and
dump reads the raw device in a much-optimised manner.  Since full
dumps are done much more often than full restores, this seems quite
reasonable.
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain:	chris@mimsy.umd.edu	Path:	uunet!mimsy!chris