Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cs.utexas.edu!samsung!umich!vela!schemers
From: schemers@vela.acs.oakland.edu (Roland Schemers III)
Newsgroups: comp.unix.ultrix
Subject: dumping active file systems
Summary: Can you dump an active file system?
Keywords: opser, dump
Message-ID: <384@vela.acs.oakland.edu>
Date: 17 Mar 90 02:37:23 GMT
Reply-To: schemers@vela.acs.oakland.edu (Roland Schemers III)
Organization: Oakland University, Rochester MI
Lines: 20

Hello! I have a question about using 'dump'. How dangerious is it to
dump an active file system? That is, dumping a file system that is
mounted, and while the system is in multi-user mode? I have gotten
various replies from DEC, ranging from "It might corrupt the whole dump",
or "Only the active files will be messed up".

For a monthly or weekly dump I see no problem with bringing the system
down to single user, but every day to do incrementals seems a bit
drastic. 

Roland

ps. we are currently using opser, and doing daily (level 9), weekly (level 5),
    and monthly (level 0) dumps, bringing the system down to single user mode.


-- 
Roland J. Schemers III                              Systems Programmer   
schemers@vela.acs.oakland.edu (Ultrix)              Oakland University 
schemers@argo.acs.oakland.edu (VMS)                 Rochester, MI 48309-4401