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 {
        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 ) {
                                system "hdparm --write-sector $s --yes-i-know-what-i-am-doing $drive";
                        }
                        smart_test $sector;
                        return 1;
                } elsif ( m/Self_test_in_progress/ ) {
                        $test_started = 1;
                        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", ( $test_started ? " smart test running..." : "idle" ), "\n";
        sleep $delay;
}
1	dpavlin	287	#!/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	dpavlin	288	my $cmd = "smartctl -l selective $drive";
22			warn "$cmd\n";
23			open(my $fh, '-\|', $cmd);
24	dpavlin	287	while(<$fh>) {
25			chomp;
26			print "# $_\n";
27			if ( m/Completed_read_failure.*\((\d+)-\d+\)/ ) {
28			my $sector = $1;
29			print "rewrite sector: $sector\n";
30			foreach my $s ( $sector .. $sector + $rewrite_sectors ) {
31			system "hdparm --write-sector $s --yes-i-know-what-i-am-doing $drive";
32			}
33			smart_test $sector;
34			return 1;
35			} elsif ( m/Self_test_in_progress/ ) {
36	dpavlin	288	$test_started = 1;
37	dpavlin	287	return 1;
38			} elsif ( m/Not_testing/ ) {
39			return 1 if $test_started;
40			smart_test 0; # first-time invocation
41			}
42			}
43			return 0;
44			}
45
46			while ( smart ) {
47	dpavlin	288	warn "sleep $delay s", ( $test_started ? " smart test running..." : "idle" ), "\n";
48	dpavlin	287	sleep $delay;
49			}