Use SeaTools to Double Check Your Seagate HDD Again If your NAS Report Any Issues

While setting up a new QNAP TAS-268 with my old Seagate Laptop SSHD, it displays a warning message. Open the S.M.A.R.T. information tab, there seems to be something wrong in End-to-End_Error item. It seems the hard drive is not reliable. But there is another story on What does end-to-end disk error mean?, it continuous working in the next 15 months.

After reading more stories about End-to-End error, I decide to use SeaTools which is a diagnostic tool from the original hard drive vendor. I believe it may read and analyze S.M.A.R.T. in Laptop SSHD more accurately than third-party tools.

SeaTools Download and Launch

I plan to use a notebook to check, therefore, I download SeaTools Bootable to create a bootable flash. A clean environment is usually a better choice than a dirty Windows.

SeaTools launches automatically after it loads a Linux kernel. You need to scroll down to the end or you cannot click on the “Accept” button to test.

Non-Destructive Test

I run following non-destructive test and all reports “100% Test PASS”. Therefore, I believe my Laptop SSHD is in healthy condition. It might be TAS-268 cannot interrupt or read its S.M.A.R.T. correctly.

  1. The S.M.A.R.T. Check
  2. Short Generic Test.
  3. Long Generic Test

My TAS-268 information:

  1. Firmware: (2018/07/25)

Unfortunately, I cannot disable the warning on TAS-268. I need to back up more regularly without the help of S.M.A.R.T..

Backup on TAS-268

To prevent data loss, I use an external hard drive to keep another copy. I cannot find Hybrid Backup Sync in the App Center on TAS-268 which is available in myTS-119PII.

But there is a Backup Station build-in, it’s very similar to Hybrid Backup Sync. I may use it to create a job to copy from TAS-268 to an external hard drive. I plug my USB 3 external hard drive to the only USB 3 port on the front panel.

To sync bi-direction, enable both “Delete extra files”  and “Overwrite the file if the source file is newer or the file size is different” in the [Policy] tab of the job or only the new files are sent to the destination folder without removing files which are deleted on the source.

Copying a single huge file from external to TAS-268 is about 60MB/s while from TAS-268 to external is 80MB/s.


  1. Acronis: 9119: S.M.A.R.T. Attribute: End-to-End error
  2. AskUbuntu: What does end-to-end disk error mean?
  3. CNET: QNAP TS-119PII Spec
  4. QNAP: Backup Station Manual
  5. QNAP: Hybrid Backup Sync
  6. QNAP TAS-268
  7. Seagate Laptop SSHD Datasheet
  8. Seagate: SeaTools
  9. Seagate: SeaTools Bootable
  10. Seagate: SeaTools Bootable User Manual
  11. Wiki: S.M.A.R.T.

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