X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=chiark-utils.git;a=blobdiff_plain;f=backup%2Fincrem;h=945bb0e5dec5118b1e561be5a5f6fdb62b9da61a;hp=bc058f7f7ffe0f44c1bf0300eb92696448f5382b;hb=0401fea2908605c879690e5158644c7a8cbbf0d3;hpb=314a202a6f4e0a120fd982ad0398cdf507d6219d diff --git a/backup/increm b/backup/increm index bc058f7..945bb0e 100755 --- a/backup/increm +++ b/backup/increm @@ -61,25 +61,26 @@ close A or die $!; # better be a decimal number $advance =~ m/^\d+$/ or die "$advance ?"; +# Get a list of all filesystems +readfsys('all'); +openlog(); + # Rewind the tape and if we are the first incremental on the tape then # write the TAPEID record, otherwise skip forward to the correct point. # (full will already have checked that this is the right tape before # it invoked us, so no need to read the existing TAPEID record first.) -system "mt -f $ntape rewind"; $? and die $?; +runsystem("mt -f $ntape rewind"); if ($advance == 1) { writetapeid($tapeid,$tapedesc); } else { - system "mt -f $ntape fsf $advance"; $? and die $?; - $currenttapefilenumber= $advance+1; + runsystem("mt -f $ntape fsf $advance"); + $currenttapefilenumber= $advance; } -# Get a list of all filesystems -readfsys('all'); -openlog(); - sub closepipes () { close(DUMPOR); close(BUFOR); close(DUMPOW); close(BUFOW); + close(GZOR); close(GZOW); } setstatus "PROBLEMS during incremental dump"; @@ -87,6 +88,7 @@ setstatus "PROBLEMS during incremental dump"; for $tf (@fsys) { parsefsys(); + prepfsys(); $bufir='DUMPOR'; $ddcmd= "$nasty dd ibs=$softblocksizebytes obs=$blocksizebytes of=$ntape"; @@ -102,14 +104,16 @@ for $tf (@fsys) { } if ($tm eq 'dump') { - $dumpcmd= "dump 1bfu $softblocksizekb - $atf"; + $dumplabel= $pcstr.$atf_print.'$'; + $dumpcmd= "dump 1Lbfu $dumplabel $softblocksizekb - $atf"; + } elsif ($tm eq 'gtar') { + $dumpcmd= "tar NCcfl $fsidfile $atf - ."; } else { - print "Not dumping $atf ($prefix) - not \`dump'.\n" or die $!; - print LOG "Not dumping $atf ($prefix) - not \`dump'.\n" or die $!; + pboth("Not dumping $atf_print ($prefix) - not supported.\n"); next; } - nexttapefile("inc $prefix:$atf"); + nexttapefile("inc $prefix:$atf_print"); # Same trick as full uses to do a pipeline whilst keeping track # of all exit statuses: @@ -125,17 +129,18 @@ for $tf (@fsys) { # advance is a file counter, so it needs to be updated for each # dump we do to tape. $advance++; + + finfsys(); } # Rewind the tape, and increment the counter of incremental backups. -system "mt -f $tape rewind"; $? and die $?; +runsystem("mt -f $tape rewind"); open IAN,">increm-advance.new" or die $!; print IAN "$advance\n" or die $!; close IAN or die $!; rename 'increm-advance.new','increm-advance' or die $!; -print LOG "Next FULL dump tape is $next\n" or die $!; -print "Next FULL dump tape is $next\n" or die $!; +pboth("Next FULL dump tape is $next\n"); setstatus "INCREMENTAL successful: $tapedesc, next full is $next"; exit 0;