Subject: install/13749: Incorrect dd(1) options
To: None <>
From: Don Yuniskis <>
List: netbsd-bugs
Date: 08/18/2001 17:48:13
>Number:         13749
>Category:       install
>Synopsis:       Incorrect options specified for dd(1) in tape installs
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    install-manager
>State:          open
>Class:          doc-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Aug 18 19:27:00 PDT 2001
>Originator:     Don Yuniskis
>Release:        NetBSD 1.5.1
Don Yuniskis
System: NetBSD Some.Particular.Machine 1.5.1 NetBSD 1.5.1 (GENERIC) #56: Mon
Jul 2 15:54:23 CEST 2001 i386
The INSTALL notes for several (e.g., i386 and SPARC) platforms
    show examples of the procedure for moving files (tarballs as
    well as the install utilities) to tape using dd(1).  However,
    many (most?) of these examples fail to add "conv=sync" to the
    dd(1) command line.  Since it would just be coincidence for
    a particular file to be an exact multiple of the block size,
    I suspect this would be prudent.
Read the INSTALL notes for references to dd(1) in the
    of tape devices.
Append "conv=sync" to all dd(1) commands for tape devices.
    (Is there a potential down-side to this?)

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