ALL connected drives partition table corrupted

Asked by Callum on 2020-01-11

Hi,

I am wanting to try and determine the cause of this issue which occured recently.

I'm running Ubuntu Server 18.04LTS in a home server. I have 9 sata drives attached; most are internal HDD, two are internal SSDs, and one is an external HDD.

I had been altering /etc/fstab to set up proper mounting with mergerfs, and restarted to check everything was working on boot. However, the computer failed to boot.

After lots of diagnosis, I determined that the partition table on every single connected drive had in some way corrupted. For reference, they were all using GPT and most are NTFS, two (inc boot) were ext4.

I was able to fix all but one of the drives with gdisk, the remaining one I fixed with testdisk. All files were still there.

So my question is - what on Earth happened to cause this; and importantly, how can I prevent it from ever happening again? I've done lots of research but haven't found a case where every single drive was affected in the same way.

Any suggestions are appreciated!

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Last query:
2020-01-11
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