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 write_sector {
        my $s = shift;
        system "hdparm --write-sector $s --yes-i-know-what-i-am-doing $drive";
}

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

sub smart {
        my $cmd = "smartctl -l selective $drive";
        warn "$cmd\n";
        open(my $fh, '-|', $cmd);
        while(<$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 ) {
                                write_sector $s;
                        }
                        smart_test $sector;
                        return 1;
                } elsif ( m/Self_test_in_progress/ ) {
                        $test_started = 1;
                        return 1;
                } elsif ( m/Not_testing/ ) {
                        if ( $test_started ) {
                                smart_last_error();
                                return 1 if $test_started;
                        }
                        smart_test 0; # first-time invocation
                }
        }
        return 0;
}

sub smart_last_error {
        my $cmd = "smartctl -l selftest $drive";
        warn "$cmd\n";
        open(my $fh, '-|', $cmd);
        while(<$fh>) {
                chomp;
                print "# $_\n";
                if (/^#\s+1.+Completed: read failure\s+\S+\s+\S+\s+(\d+)/) {
                        write_sector $1;
                        smart_test $1;
                        return 1;
                }
        }
}

smart_last_error || smart_test 0;

while ( smart ) {
        warn "sleep $delay s", ( $test_started ? " smart test running..." : "idle" ), "\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 write_sector {
13	my $s = shift;
14	system "hdparm --write-sector $s --yes-i-know-what-i-am-doing $drive";
15	}
16
17	sub smart_test {
18	my $sector = shift;
19	my $cmd = "smartctl -t select,$sector-max $drive";
20	warn "$cmd\n";
21	system $cmd;
22	$test_started = 1;
23	}
24
25	sub smart {
26	my $cmd = "smartctl -l selective $drive";
27	warn "$cmd\n";
28	open(my $fh, '-\|', $cmd);
29	while(<$fh>) {
30	chomp;
31	print "# $_\n";
32	if ( m/Completed_read_failure.*\((\d+)-\d+\)/ ) {
33	my $sector = $1;
34	print "rewrite sector: $sector\n";
35	foreach my $s ( $sector .. $sector + $rewrite_sectors ) {
36	write_sector $s;
37	}
38	smart_test $sector;
39	return 1;
40	} elsif ( m/Self_test_in_progress/ ) {
41	$test_started = 1;
42	return 1;
43	} elsif ( m/Not_testing/ ) {
44	if ( $test_started ) {
45	smart_last_error();
46	return 1 if $test_started;
47	}
48	smart_test 0; # first-time invocation
49	}
50	}
51	return 0;
52	}
53
54	sub smart_last_error {
55	my $cmd = "smartctl -l selftest $drive";
56	warn "$cmd\n";
57	open(my $fh, '-\|', $cmd);
58	while(<$fh>) {
59	chomp;
60	print "# $_\n";
61	if (/^#\s+1.+Completed: read failure\s+\S+\s+\S+\s+(\d+)/) {
62	write_sector $1;
63	smart_test $1;
64	return 1;
65	}
66	}
67	}
68
69	smart_last_error \|\| smart_test 0;
70
71	while ( smart ) {
72	warn "sleep $delay s", ( $test_started ? " smart test running..." : "idle" ), "\n";
73	sleep $delay;
74	}