BackupPC-users

Re: [BackupPC-users] archive problem

2008-08-01 16:47:42
Subject: Re: [BackupPC-users] archive problem
From: Les Mikesell <lesmikesell AT gmail DOT com>
To: Jeff Rippy <jrippy AT gmail DOT com>
Date: Fri, 01 Aug 2008 15:47:59 -0500
Jeff Rippy wrote:

 > Also the backuppc documentation and even the default
> configuration uses /dev/st0 so why exactly do you recommend /dev/nst0 
> instead.  Shouldn't backuppc be controlling where it writes to the tape?

/dev/st? devices rewind the tape on open and close, so you can't write 
anywhere but the beginning.  /dev/nst? devices only rewind on insertion 
and removal.  If you have small archives you can add more than one to 
the same tape on the nst device.  To read them you can use mt fsf to 
advance or just read one after the other with tar (linux seems to want 
an extra dummy read to advance to the next).

-- 
   Les Mikesell
    lesmikesell AT gmail DOT com


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