This is what my datacenter says

I've connected monitor to your server and it looks like it was rebooting and is waiting for manual fschk again. Have you rebooted your server?

Then fdcservers would do the manual fschk. Server is online again. But the next day, same thing happen again.

What should I do

I suspected it's hardware.

How do I know which SSD need to be replaced?

If I got to check logs, which logs I should see.

closed as too broad by psusi, Anthon, slm, jasonwryan, rahmu Sep 16 '13 at 20:08

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

  • 2
    have you checked the logs ?? – BitsOfNix Sep 16 '13 at 16:23
  • Take a look at the dmesg output. Sounds like the drive is failing to me. – slm Sep 16 '13 at 16:24
  • You will need to be more specific and provide any errors on the server (which appear in places such as the output of dmesg). Without any more details your question may get voted to be closed as too broad a question. – Drav Sloan Sep 16 '13 at 17:32
  • I am not asking for what's wrong. I am asking for what to do. Running dmesg is the answer – user4951 Sep 17 '13 at 2:10

Check the SMART data of your hard disk (replace /dev/sda with the name of your hard disk, repeat this process for every disk listed in cat /proc/partitions):

smartctl -a /dev/sda | less

Also run a selftest on the hard disk. This may take several hours, depending on the hard disk size:

smartctl -t long /dev/sda

When it's completed, read the result with the smartctl -a command as shown above. The section SMART Self-test Log contains the selftest result.

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