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move SMART error handling into get_disks

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because we never ever want to die in get_disks because of a
single disk, but the nodes/xyz/disks/smart API path is
allowed to fail if a disk device is unsupported by smartctl
or something else goes wrong.
This commit is contained in:
Fabian Grünbichler
2016-09-28 13:42:22 +02:00
committed by Dietmar Maurer
parent d547f26c7d
commit acd3d91649
2 changed files with 34 additions and 35 deletions
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2
PVE/API2/Disks.pm
View File

@ -138,6 +138,8 @@ __PACKAGE__->register_method ({
$result = PVE::Diskmanage::get_smart_data($disk);
}
$result->{health} = 'UNKOWN' if !defined $result->{health};
return $result;
}});

13
PVE/Diskmanage.pm
View File

@ -110,7 +110,6 @@ sub get_smart_data {
if ((defined($returncode) && ($returncode & 0b00000011)) || $err) {
die "Error getting S.M.A.R.T. data: Exit code: $returncode\n";
}
$smartdata->{health} = 'UNKOWN' if !defined $smartdata->{health};
return $smartdata;
}
@ -119,9 +118,8 @@ sub get_smart_health {
return "NOT A DEVICE" if !assert_blockdev($disk, 1);
my $message = "UNKOWN";
my $message;
eval {
run_command([$SMARTCTL, '-H', $disk], noerr => 1, outfunc => sub {
my ($line) = @_;
@ -133,8 +131,6 @@ sub get_smart_health {
$message = "SMART DISABLED";
}
});
};
# we ignore errors here because by default we want to return UNKNOWN
return $message;
}
@ -366,10 +362,12 @@ sub get_disks {
}
}
my $health;
my $health = 'UNKNOWN';
my $wearout;
eval {
if ($type eq 'ssd' && !defined($disk)) {
# if we have an ssd we try to get the wearout indicator
$wearout = 'N/A';
my $smartdata = get_smart_data($devpath);
$health = $smartdata->{health};
foreach my $attr (@{$smartdata->{attributes}}) {
@ -382,13 +380,12 @@ sub get_disks {
# prefer the 233 value
last if ($attr->{id} == 233);
}
$wearout = 'N/A' if !defined($wearout);
} elsif (!defined($disk)) {
# we do not need smart data if we check a single disk
# because this functionality is only for disk_is_used
$health = get_smart_health($devpath) if !defined($disk);
}
};
my $used;