--- /sys/lib/backup/backup	Fri Jul 12 22:11:43 2013
+++ /sys/lib/backup/backup	Tue Nov 12 02:49:57 2013
@@ -67,7 +67,7 @@
 
 		sed 1,$disc1trks^d arenas >morearenas
 		mv morearenas arenas
-		arenas=`{cat arenas}
+		arenas_todo=`{cat arenas}
 	}
 }
 
@@ -75,8 +75,8 @@
 tobackup $set >arenas
 quitonfailure $status
 
-arenas=`{cat arenas}
-if (~ $#arenas 0) {
+arenas_todo=`{cat arenas}
+if (~ $#arenas_todo 0) {
 	echo no sealed arenas not yet on disc exist on $fs
 	exit ''
 }
@@ -95,7 +95,7 @@
 }
 
 progress=yes
-while (test $#arenas -gt 0 && ~ $progress yes) {
+while (test $#arenas_todo -gt 0 && ~ $progress yes) {
 	backup1
 	quitonfailure $status
 }
--- /sys/lib/backup/backuparenas	Wed Nov  7 00:01:01 2012
+++ /sys/lib/backup/backuparenas	Tue Nov 12 02:53:16 2013
@@ -39,17 +39,23 @@
 	exit bad-nwa
 
 cd $fsroot/dev/fs
+shname = `{basename $arenas}
+if (! test -r $shname){
+	echo $0: $shname in `{pwd} not readable >[1=2]
+	exit unreadable-arenas
+}
+
 for (name) {
 	grep next /mnt/cd/ctl
 	# use -o 8192 to avoid devmnt fragmentation if bd drive is imported
-	venti/rdarena arena0 $name |
+	venti/rdarena $shname $name |
 		pump -i 65536 -o 8192 -k 100000 -d 5 >/mnt/cd/wd/$name
 #		pump -i 65536 -o 1048576 -k 51200 -d 10 >/mnt/cd/wd/$name
 	quitonfailure $status
 
 #	ls -l /mnt/cd
 	if (test -e '/env/fn#dumpdone' -a -e '/env/set')
-		dumpdone arena0 $name
+		dumpdone $shname $name
 }
 echo 'remember to *not* remove /mnt/cd/wd' >[1=2]
 # don't remove /mnt/cd/wd, since that would finalize the disc
--- /sys/lib/dist/mkfile	Tue Jul 30 07:21:36 2013
+++ /sys/lib/dist/mkfile	Wed Nov 13 22:19:23 2013
@@ -11,8 +11,9 @@
 ncd-dist:V: $scr/plan9-new.iso.bz2
 	mk $dist/web.protect/plan9-new.iso.bz2
 
-usb-dist:V: 
-	cd pc; mk usbdisk
+$scr/usbdisk.bz2:D: $scr/plan9.iso.bz2
+	cd pc; mk $target
+usb-dist:V: $dist/web.protect/usbdisk.bz2
 
 #contrib-cd:V: $scr/contrib.iso.bz2
 #	mk $dist/web.protect/contrib.iso.bz2
@@ -36,7 +37,6 @@
 	disk/mk9660 -9cj -v $title -s $src9 -B pbsraw -x 9load $target
 
 # copy (compressed) file from scratch space to the distribution, carefully
-# $dist/web.protect/%.iso.bz2:	$scr/%.iso.bz2
 $dist/web.protect/%:		$scr/%
 	>>$target.new
 	chmod +t $target.new		# waste write buf, not venti store
--- /sys/lib/dist/pc/mkfile	Thu Oct 17 21:44:48 2013
+++ /sys/lib/dist/pc/mkfile	Wed Nov 13 22:20:25 2013
@@ -80,20 +80,33 @@
 		/sys/src/9/pc/^(9pcflop 9pccd)^.gz subst/plan9.ini /lib/vgadb
 	ls -l $target
 
-usbdisk:D: /n/sources/plan9
+$scr/usbdisk:D: /n/sources/plan9
+	@ {
+	rfork n
 	if (~ $#scr 0 || ~ $scr '') {
 		echo '$scr unset' >[1=2]
 		exit not-set-up
 	}
 	cd $scr
-	mkusbboot -s 1900 -r /n/sources/plan9 && mv image $target
-	rm -f $target.bz2
-	bzip2 $target && rm -f $target
-	pwd
-	ls -l $target*
-	if (test `{ls -s $target.bz2 | awk '{print $1}'} -lt 80000) {
-		echo $target.bz2 implausibly small >[1=2]
-		exit bz2-too-small
+	bind /dev/null /dev/cons
+	bind /dev/null /dev/consctl
+	{ mkusbboot -s 1900 -r /n/sources/plan9; mv image $target } >[2=1] |
+		grep -v 'mkfs: /sys/lib/sysconfig/proto/.*can''t stat'
+	exit ''
+	}
+$scr/usbdisk.bz2:D: $scr/usbdisk
+	@ {
+	rm -f $target
+	bzip2 $prereq && rm -f $prereq
+	ls -l $target
+	targsz = `{{ls -s $target; echo 0} | awk '{print $1; exit}'}
+	if (test $targsz -lt 80000) {
+		echo $target implausibly small:	>[1=2]
+		ls -l $target			>[1=2]
+		rm -f $target
+		exit $target-too-small
+	}
+	exit ''
 	}
 
 clean:V:
--- /sys/lib/dist/setup	Tue Apr 30 22:05:56 2013
+++ /sys/lib/dist/setup	Wed Nov 13 22:18:33 2013
@@ -7,19 +7,23 @@
 9fs outfsother
 
 if (test -e /cfg/$sysname/config)
-	. /cfg/$sysname/config
-if not
-	outip=204.178.31.2
+	.   /cfg/$sysname/config
+if not {
+	outsys=outside
+	out=$outsys.cs.bell-labs.com
+	outfs=outfs		# outside is a client of outfs
+}
 
-import -c tcp!$outip!666 $dist/web.protect
-if (! test -e $dist/web.protect/plan9.iso) {
-	echo import web.protect failed: $dist/web.protect/plan9.iso missing \
-		>[1=2]
+# for some reason, -c doesn't actually enable creation
+#import -c tcp!$out!666 $dist/web.protect
+#if (! test -e $dist/web.protect/plan9.iso) {
+#	echo import web.protect failed: $dist/web.protect/plan9.iso missing \
+#		>[1=2]
 
-	bind /n/outfsother/web.protect $dist/web.protect	# HACK
+	bind -c /n/outfsother/web.protect $dist/web.protect	# HACK
 	if (! test -e $dist/web.protect/plan9.iso) {
 		echo bind outfsother failed: $dist/web.protect/plan9.iso \
 			missing >[1=2]
 		exit no-web-protect
 	}
-}
+#}