![]() Gnome Disk Utility will show the disk’s information, partitions, and status. I recommend to replace a harddisk when the first bad sectors appears. Let’s select the disk we want to check from the list of storage devices on the left. If sequential access speed is critical, the remapped sectors can be manually marked as bad blocks in the file system in order to prevent their use. As the count of reallocated sectors increases, the read/write speed tends to become worse because the drive head is forced to seek to the reserved area whenever a remap is accessed. While primarily used as a metric of the life expectancy of the drive, this number also affects performance. This allows a drive with bad sectors to continue operation however, a drive which has had any reallocations at all is significantly more likely to fail in the near future. Thus, the higher the attribute value, the more sectors the drive has had to reallocate. ![]() The raw value normally represents a count of the bad sectors that have been found and remapped. This process is also known as remapping, and reallocated sectors are called “remaps”. When the hard drive finds a read/write/verification error, it marks that sector as “reallocated” and transfers data to a special reserved area (spare area). If your data center makes use of Linux machines, one of the administrative tasks you’ll want to undertake is regularly checking the health of the SSD drives used on those machines. You should also check the “Reallocated_Sector_Ct” attribute. ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUEĥ Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0Įven if the SMART health status is PASSED, it doesn’t mean the disk is OK. ![]() Vendor Specific SMART Attributes with Thresholds: For recovering the data from your computer, choose a location from where the data was lost. badsector : A utility to check for bad sectors in Linux S.M.A.R.T : Monitor the hard drives reliability and predict drive failures fsck : It is a command for. SMART Attributes Data Structure revision number: 16 SMART overall-health self-assessment test result: PASSED SMART support is: Available - device has SMART capability. SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s) Sector Sizes: 512 bytes logical, 4096 bytes physicalĭevice is: In smartctl database ĪTA Version is: ACS-2 (minor revision not indicated)
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