[Bug 353804] New: smartd bogus error messages
https://bugzilla.novell.com/show_bug.cgi?id=353804 Summary: smartd bogus error messages Product: openSUSE 10.3 Version: Final Platform: x86 OS/Version: Linux Status: NEW Severity: Normal Priority: P5 - None Component: Basesystem AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: jengelh@gmx.de QAContact: qa@suse.de Found By: Beta-Customer I have heard reports of smartd printing wrong messages to syslog, well, and I see it too: Jan 15 00:58:21 ichi smartd[18019]: Device: /dev/sdb, 1 Offline uncorrectable sectors Jan 15 00:58:21 ichi smartd[18019]: Device: /dev/sdb, SMART Usage Attribute: 199 UDMA_CRC_Error_Count changed from 199 to 198 00:58 ichi:/home/jengelh # smartctl -data -a /dev/sdb | grep ... 5 Reallocated_Sector_Ct 0x0033 253 253 063 Pre-fail Always - 0 197 Current_Pending_Sector 0x0008 253 253 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0008 199 195 000 Old_age Offline - 4 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Martin Mrazik
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User sbrabec@novell.com added comment
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Stanislav Brabec
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User jengelh@gmx.de added comment
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Jan Engelhardt
The output is correct. The disc is not.
The output is incorrect. The disc has much more than just one damaged sector already, due to lightning and weak power grid. The damaged area remains fixed, e.g. the disc itself is fine and no new errors show up, and the area is not used by any partition. The raw SMART values also do not represent anything valid on this disc. raw values are not required to display anything meaningful. The VALUE/WORST/THRESH are important. Just look at the attached dump. Well, I let others comment on that. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #3 from Stanislav Brabec
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Harry May
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Stanislav Brabec
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User jengelh@gmx.de added comment
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Jan Engelhardt
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Stanislav Brabec
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Mathias Rabe
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--- Comment #9 from Stanislav Brabec
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Jan Engelhardt
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Jan Engelhardt
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--- Comment #12 from Mathias Rabe
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--- Comment #13 from Mathias Rabe
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Stanislav Brabec
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User jengelh@gmx.de added comment
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--- Comment #15 from Jan Engelhardt
Normally when an uncorrectable sector is found, the disk puts this onto a 'pending sector list' to indicate that it should be replaced with a spare good sector. However this replacement won't take place until either the disk can read the data on the bad sector, or is commanded to write new data to that bad sector.
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--- Comment #16 from Mathias Rabe
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Stanislav Brabec
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Stanislav Brabec
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User jengelh@gmx.de added comment
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--- Comment #18 from Jan Engelhardt
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--- Comment #19 from Mathias Rabe
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--- Comment #20 from Stanislav Brabec
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