On Mon, Jan 05, 2015 at 10:19:54AM +0100, Jan Stary wrote:
> This is a daily mail from my Alix router.
> I do a dump in daily.local (see below)
> and most of the time it works just fine.
> Occasionaly though, the DUMP fails saying
>
> > DUMP: End of tape detected
> > DUMP: Volume 1 completed at: Mon Jan 5 01:30:44 2015
> > DUMP: Volume 1 took 0:00:07
> > DUMP: Volume 1 transfer rate: 2101 KB/s
> > DUMP: Change Volumes: Mount volume #2
> > DUMP: fopen on /dev/tty fails: Device not configured
> > DUMP: The ENTIRE dump is aborted.
>
> That puzzles me, as I dump to stdout,
> redirecting to a file (see below).
>
> (I vaguely remember that the reason I switched from
> "dump -f file.dump ..." to "dump -f - ... > file.dump"
> was that I was advised her by a developer about
> the tape legacy of dump, but I forgot what exactly
> was the problem then and can't find it in archives.)
>
> Why would "dump -f - ... > file.dump" think
> that it reached an end of tape?
Because dump is a bit dumb. You need to use -a, see man page.
-Otto
>
> On Jan 05 01:31:08, r...@gw.stare.cz wrote:
> > OpenBSD 5.3-current (GENERIC) #2: Thu Jun 13 00:04:14 MDT 2013
> > dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
> >
> > 1:31AM up 1 day, 16:35, 0 users, load averages: 1.61, 0.66, 0.34
> >
> > Running daily.local:
> >
> > Backing up into /backup/gw.stare.cz
> >
> > errors dumping /var/log:
> > DUMP: Date of this level 0 dump: Mon Jan 5 01:30:31 2015
> > DUMP: Date of last level 0 dump: the epoch
> > DUMP: Dumping /dev/rwd0g (/var/log) to standard output
> > DUMP: mapping (Pass I) [regular files]
> > DUMP: mapping (Pass II) [directories]
> > DUMP: estimated 31599 tape blocks.
> > DUMP: Volume 1 started at: Mon Jan 5 01:30:37 2015
> > DUMP: dumping (Pass III) [directories]
> > DUMP: dumping (Pass IV) [regular files]
> > DUMP: End of tape detected
> > DUMP: Volume 1 completed at: Mon Jan 5 01:30:44 2015
> > DUMP: Volume 1 took 0:00:07
> > DUMP: Volume 1 transfer rate: 2101 KB/s
> > DUMP: Change Volumes: Mount volume #2
> > DUMP: fopen on /dev/tty fails: Device not configured
> > DUMP: The ENTIRE dump is aborted.
> > -rw------- 1 hans wheel 4.5M Jan 5 01:30 dump.home.0
> > -rw------- 1 hans wheel 53.1M Jan 5 01:30 dump.root.0
> > -rw------- 1 hans wheel 7.7M Jan 5 01:30 dump.var.0
> > -rw------- 1 hans wheel 14.3M Jan 5 01:30 dump.var.log.0
> > -rw------- 1 hans wheel 820K Jan 5 01:30 dump.var.spool.0
> > -rw------- 1 root wheel 5.2K Jan 5 01:30 root-201501050130.tar.gz
> > -rw------- 1 root wheel 1.3M Jan 5 01:31 etc-201501050130.tar.gz
> > -rw------- 1 root wheel 481K Jan 5 01:31
> > var-backups-201501050131.tar.gz
> > -rw------- 1 root wheel 4.2K Jan 5 01:31 var-named-201501050131.tar.gz
> >
> > Checking subsystem status:
> >
> > disks:
> > Filesystem 1K-blocks Used Avail Capacity Mounted on
> > /dev/wd0a 204542 53740 140576 28% /
> > /dev/wd0d 608686 190580 387672 33% /usr
> > /dev/wd0e 251822 28258 210974 12% /usr/local
> > /dev/wd0f 251822 7010 232222 3% /var
> > /dev/wd0g 251822 32156 207076 13% /var/log
> > /dev/wd0h 1024526 2 973298 0% /tmp
> > /dev/wd0i 299054 4212 279890 1% /home
> > /dev/wd0j 1024526 795130 178170 82% /backup
> >
> > Last dump(s) done (Dump '>' file systems):
> > /dev/rwd0a ( ) Last dump: Level 0, Date Mon Jan 5 01:30
> > /dev/rwd0f ( ) Last dump: Level 0, Date Mon Jan 5 01:30
> > /dev/rwd0g ( ) Last dump: Level 6, Date Sun Jan 4 01:30
> > /dev/rwd0i ( ) Last dump: Level 0, Date Mon Jan 5 01:30
>
>
> Jan
>
>
>
> #!/bin/sh
>
> umask 077
>
> err() {
> echo $@ >&2
> }
>
> # We distinguish two kinds of backups:
> # BKPDUMP are dump(8)s of entire filesystems - level 0
> # on Monday mornings, incerementals during the week.
> # These are typically very big, and we store them to
> # a dedicated backup disk.
> # BKPTAR are tarballs of certain directories (/etc),
> # that are tupically much smaller and we rotate them.
> # TODO: rotate the old ones out of existence.
> # If BKPSCP is defined, we also scp them there. This
> # requires an unattended login via a ssh key.
>
> BKPUSR=hans
> BKOGRP=wheel
> BKPLOG=/tmp/dump.$$.log
> BKPDIR=/backup/`hostname`
>
> BKPTAR="/etc /var/backups"
> BKPSCP="h...@biblio.stare.cz:$BKPDIR"
> BKPDMP="/ /var /var/mysql /var/postgresql /var/www /home"
>
> bkpdmp() {
> # $1 is the dump level
> l=$1
> for fs in $BKPDMP; do
> [ "$fs" = "/" ] && fsname=".root" || fsname=`echo $fs | tr / .`
> [ "x$l" = "x0" ] && rm -f $BKPDIR/dump$fsname.?
> f=$BKPDIR/dump$fsname.$l
> > $f && chown $BKPUSR:$BKPGRP $f && chmod 600 $f
> dump -$l -a -u -f - $fs > $f 2> $BKPLOG \
> || { err errors dumping $fs: ; cat $BKPLOG >&2 ; }
> rm -f $BKPLOG
> done
> { cd $BKPDIR ; ls -lh dump.* ; }
> }
>
> bkptar() {
> for dir in $BKPTAR; do
> f=$BKPDIR/`echo ${dir#/} | tr / -`-`date +%Y%m%d%H%M`.tar.gz
> > $f && chown $BACKUPUSR:$BACKUPGRP $f && chmod 600 $f
> tar czf $f $dir 2> $BKPLOG \
> || { err errors tarring $dir: ; cat $BKPLOG >&2 ; }
> # TODO: md5
> { cd $BKPDIR ; ls -lh ${f##*/} ; }
> test -n "$BKPSCP" && scp -q $f $BKPSCP
> done
> }
>
> if test -d $BKPDIR ; then
> echo; echo Backing up into $BKPDIR; echo
> bkpdmp $((`date +%u` - 1))
> bkptar
> else
> err Backup directory $BKPDIR does not exist
> fi
