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TOPIC: SMART Warning for Command Time Out (#188)

SMART Warning for Command Time Out (#188) 08 Jun 2018 18:02 #9716

Have an external 6 GB La Cie desktop hard drive used for Time Machine backups showing a SMART warning. Running OS v10.13.4 on an iMac with TechTool Pro v9.6.3. Running the SMART tests for this drive shows a Command Time Out (#188) warning but all the supplemental tests from LaCie, Disk Warrior, and Desk Utility indicate the drive is functioning properly. Initially thought that the drive was just running hot so put an external supplementary fan blowing on it to cool it down significantly but am still showing the warning from TTP.

Should I be concerned since the other tests show the drive as functioning normally?
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SMART Warning for Command Time Out (#188) 08 Jun 2018 18:19 #9717

The best thing to do would be to contact LaCie about the results of the test.

Here is a description of the Command Timeout SMART attribute, from our DriveScope manual:


[page] 32
Attribute 188 - Command Timeout
Lower Raw Value is better - Critical Attribute

The number of aborted operations due to drive timeout (drive was unable to read or write properly in a reasonable time period). If the raw value for this attribute is far above zero, it becomes more likely that there is an issue with either the power supply or possibly oxidation of the data cable.

WARNING:

If the raw value for this attribute is elevated, backup the data on this hard drive immediately and consider replacing the device as soon as possible.
MicroMat Inc
Makers of TechTool
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