From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ricardo Wurmus <rekado@elephly.net>
Subject: Re: Frequent git repository corruptions
Date: Wed, 26 Sep 2018 12:50:30 +0200
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To: Pierre Neidhardt <mail@ambrevar.xyz>
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Pierre Neidhardt <mail@ambrevar.xyz> writes:

> For the past 2-4 weeks I've had at least 4 Git repositories that got
> corrupted for no apparent reason.  Even a checkout that I had never
> touched.
>
> When it happens, errors show up on most git commands, usually `git diff`
> but sometimes also `git status`:
>
> --8<---------------cut here---------------start------------->8---
>> git diff
> error: object file .git/objects/e0/1bd6c3c77309b13dab22f9e0de33576ede944f is empty
> fatal: unable to read e01bd6c3c77309b13dab22f9e0de33576ede944f
> --8<---------------cut here---------------end--------------->8---
>
> A quick Internet search led me to realize there is little to do to
> recover the corrupted repository beside cloning it again.  I haven't
> lost anything so far, knock on wood.
>
> My first thought was a hard drive issue.  I have a NVMe SAMSUNG
> MZVLW256HEHP.
> I ran some smartmontools test, everything looks fine.

Is the file system corrupt?  (What does fsck say?)
Did the system die without a proper shutdown?

-- 
Ricardo