recepies/smart/smart-test-relocate.pl

#!/usr/bin/perl

use warnings;
use strict;

my $drive = $ARGV[0] || die "usage: $0 /dev/sda\n";
my $delay = 15;
my $rewrite_sectors = 16;

my $test_started = 0;

sub smart_test {
        my $sector = shift;
        my $cmd = "smartctl -t select,$sector-max $drive";
        warn "$cmd\n";
        system $cmd;
        $test_started = 1;
}

sub smart {
        open(my $fh, '-|', "smartctl -l selective $drive");
        while(<$fh>) {
                chomp;
                print "# $_\n";
                if ( m/Completed_read_failure.*\((\d+)-\d+\)/ ) {
                        my $sector = $1;
                        print "rewrite sector: $sector\n";
                        foreach my $s ( $sector .. $sector + $rewrite_sectors ) {
                                system "hdparm --write-sector $s --yes-i-know-what-i-am-doing $drive";
                        }
                        smart_test $sector;
                        return 1;
                } elsif ( m/Self_test_in_progress/ ) {
                        return 1;
                } elsif ( m/Not_testing/ ) {
                        return 1 if $test_started;
                        smart_test 0; # first-time invocation
                }
        }
        return 0;
}

while ( smart ) {
        warn "# sleep $delay s\n";
        sleep $delay;
}
1	#!/usr/bin/perl
2
3	use warnings;
4	use strict;
5
6	my $drive = $ARGV[0] \|\| die "usage: $0 /dev/sda\n";
7	my $delay = 15;
8	my $rewrite_sectors = 16;
9
10	my $test_started = 0;
11
12	sub smart_test {
13	my $sector = shift;
14	my $cmd = "smartctl -t select,$sector-max $drive";
15	warn "$cmd\n";
16	system $cmd;
17	$test_started = 1;
18	}
19
20	sub smart {
21	open(my $fh, '-\|', "smartctl -l selective $drive");
22	while(<$fh>) {
23	chomp;
24	print "# $_\n";
25	if ( m/Completed_read_failure.*\((\d+)-\d+\)/ ) {
26	my $sector = $1;
27	print "rewrite sector: $sector\n";
28	foreach my $s ( $sector .. $sector + $rewrite_sectors ) {
29	system "hdparm --write-sector $s --yes-i-know-what-i-am-doing $drive";
30	}
31	smart_test $sector;
32	return 1;
33	} elsif ( m/Self_test_in_progress/ ) {
34	return 1;
35	} elsif ( m/Not_testing/ ) {
36	return 1 if $test_started;
37	smart_test 0; # first-time invocation
38	}
39	}
40	return 0;
41	}
42
43	while ( smart ) {
44	warn "# sleep $delay s\n";
45	sleep $delay;
46	}