* [PATCH] fix #7551: smartctl: negative values are reported for SSD wear level
@ 2026-10-23 20:51 piknew
0 siblings, 0 replies; only message in thread
From: piknew @ 2026-10-23 20:51 UTC (permalink / raw)
To: pve-devel
Signed-off-by: piknew <mparka@wp.pl>
---
src/PVE/Diskmanage.pm | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/PVE/Diskmanage.pm b/src/PVE/Diskmanage.pm
index d9ce0d0..2d01803 100644
--- a/src/PVE/Diskmanage.pm
+++ b/src/PVE/Diskmanage.pm
@@ -451,6 +451,13 @@ sub get_wear_leveling_info {
foreach my $attr (@$attributes) {
next if $attr->{name} !~ m/$register/;
$wearout = $attr->{value};
+ # As of https://bugzilla.proxmox.com/show_bug.cgi?id=7551
+ # Some SSDs (Crucial MX500 for example) are reporting wearout over 100%
+ # This is directly reflected in "raw".
+ # When using "value" (wrapped a 8-bit unsigned integer), it shall be normalized.
+ # Example:
+ # 101% -> value=255, 102% -> value=254, 103% -> value=253
+ $wearout = $wearout - 256 if($wearout > 100);
last;
}
}
--
2.43.0.windows.1
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2026-10-23 20:51 [PATCH] fix #7551: smartctl: negative values are reported for SSD wear level piknew
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