Reallocated Sectors Count


Reallocated Sectors Count Attribute information

Attribute Name:

Reallocated Sectors Count

Attribute ID:

5

Description:

Count of reallocated sectors. When the hard drive finds a read/write/verification error, it marks this sector as "reallocated" and transfers data to a special reserved area (spare area).
This process is also known as remapping and "reallocated" sectors are called remaps. This is why, on a modern hard disks, you can not see "bad blocks" while testing the surface - all bad blocks are hidden in reallocated sectors. However, the more sectors that are reallocated, the more a sudden decrease (up to 10% and more) can be noticed in the disk read/write speed.

Critical:

Yes

Hard drives that support this attribute:

Samsung, Seagate, IBM (Hitachi), Fujitsu, Maxtor, WD (Western Digital)

Software that supports this attribute:

ActiveSMART, by Ariolic Software

Download ActiveSMART and monitor S.M.A.R.T. attributes

What is the S.M.A.R.T. attribute?

The S.M.A.R.T. attributes are specific properties (parameters) of various parts of a hard drive. S.M.A.R.T. uses attributes to monitor the disk condition and to analyze its reliability (e.g.: the “Temperature” attribute indicates the temperature of the hard disk, the “Power-On Hours” attribute indicates the count of hours in a power-on state, etc.) Various manufacturers may use different sets of attributes.

Want to protect your hard drive from a sudden breakdown?

Modern hard disks support a self-monitoring technology called S.M.A.R.T (Self-Monitoring, Analysis and Reporting Technology). This technology allows you to monitor the important parts of hard drives, warning you if their condition is getting worse and data loss is possible. However, in order to use this information, you will need special software which can collect and process it. Active SMART is intended for just this purpose.
Install Active SMART to protect your HDDs and the data stored on them.

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Tags: Reallocated Sectors Count, smart attribute