Instead, the disks simply return an OK or NOT OK response to an inquiry about their health.
A negative response indicates the disk firmware has determined that the disk is likely to fail.
In this article, I explain how to use smartmontools' smartctl utility and smartd dæmon to monitor the health of a system's disks.
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Bruce Allen ***************** Nigel UK Fylde Computer Repairs it happened to me as well.
i tried everything on the net but nothing worked for me. When i run smrtctl on window xp, I did not get any of the following msg. SMART Attributes Data Structure revision number: 10 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 068 049 006 Old_age - 116459253 3 Spin_Up_Time 0x0003 096 095 000 Old_age - 0 4 Start_Stop_Count 0x0032 100 100 020 Old_age - 28 5 Reallocated_Sector_Ct 0x0033 100 100 036 Old_age - 18 7 Seek_Error_Rate 0x000f 083 075 030 Old_age - 223581632 9 Power_On_Hours 0x0032 096 096 000 Old_age - 3778 10 Spin_Retry_Count 0x0013 100 100 097 Old_age - 0 12 Power_Cycle_Count 0x0032 100 100 020 Old_age - 29 194 Temperature_Celsius 0x0022 047 049 000 Old_age - 47 195 Hardware_ECC_Recovered 0x001a 068 048 000 Old_age - 116459253 197 Current_Pending_Sector 0x0012 100 100 000 Old_age - 0 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age - 0 199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age - 0 200 Multi_Zone_Error_Rate 0x0000 100 253 000 Old_age - 0 202 Unknown_Attribute 0x0032 100 253 000 Old_age - 0 also check out hdsentinel, a program which takes the SMART data and analyzes it a bit more intelligently in the hopes of providing better warning of impending disk failure.
Each Attribute has a one-byte normalized value ranging from 1 to 253 and a corresponding one-byte threshold.
If one or more of the normalized Attribute values less than or equal to its corresponding threshold, then either the disk is expected to fail in less than 24 hours or it has exceeded its design or usage lifetime.
Many users and system administrators don't know that Self-Monitoring, Analysis and Reporting Technology systems (SMART) are built in to most modern ATA and SCSI hard disks.
SMART disk drives internally monitor their own health and performance.
Red Hat's existing products contain the UCSC smartsuite versions of smartctl and smartd, but the smartmontools versions will be included in upcoming releases.
To understand how smartmontools works, it's helpful to know the history of SMART.
If you have no data that you need, you can fix the problem by overwriting the bad partition with zeros using dd.