All data appears lost - TS-439

[redacre]

Although QNAP control panel shows a warning on HDD1, the I/O status shows as 'Good'.

[pwilson]

Yes, spotted failed HDD1 earlier today but certainly all was well when I checked 2 weeks ago.

This has nothing to do with your lack of data. It does need to be addressed, but it a different issue.

Frequent backups - the NAS _is_ my backup. I assume you were being ironic ...?

Nope. I was being completely serious. If your NAS is your "Backup", then the data still lives on the original source, simply restore it from the original source. If the original source no longer exists, then your NAS is not your Backup at all. Most people use their NAS devices as "Network Attached Storage" rather than as a "Backup" device.

It is only a "Backup" if the same data exists in two (or more) locations at the same time. If the only copy of the data is on the NAS, then it wasn't a Backup at all.

I backup my NAS daily here.

We can debate this all day, but the bottom line is that that your NAS only presently has 442.6M of data on it. As you have no Backups whatsoever, you have lost your data. I would recommend that you purchase an eSATA/USB Drive Dock for your future Backups. (You can schedule your Backups to occur in the middle of the night while you are sleeping). I paid <$50USD for my Dock.

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df -h /share/MD0_DATA
Filesystem Size Used Available Use% Mounted on
/dev/md0 2.7T 442.6M 2.7T 0% /share/MD0_DATA

Check it out yourself with the above command.

Check out the External Backup section of the fine manual to learn how to actually Backup your NAS.

Actually making Backups of your NAS would have protected your allegedly important data.

[pwilson]

Although QNAP control panel shows a warning on HDD1, the I/O status shows as 'Good'.

That is contrary to the S.M.A.R.T. data provided by my NASReport script.

Lets have another look at HDD1.

Please provide output for:

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/sbin/get_hd_smartinfo -d 1

If it shows even a single "Reallocated sector" then the drive needs to be replaced. This does not explain your complete data loss.