:: Re: [DNG] rm not freeing space
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Author: Marc Shapiro
Date:  
To: dng
Subject: Re: [DNG] rm not freeing space
On 3/15/21 8:23 PM, Arnt Karlsen wrote:
> On Mon, 15 Mar 2021 19:54:20 -0700, Marc wrote in message
> <74553f6b-2616-70e1-e742-1ce9275b3480@???>:
>
>> On 3/15/21 6:31 AM, Hendrik Boom wrote:
>>> On Sun, Mar 14, 2021 at 10:28:32PM -0700, Marc Shapiro via Dng
>>> wrote:
>>>> On 3/14/21 10:09 PM, Ludovic Bellière wrote:
>>>>> I assume you read the man page of fsck, as it's return code is
>>>>> what you want to pay attention to.
>>>>>
>>>>> As for lsof, the correct parameters would be `lsof +aL1 /dev/sdx.
>>>>> It should have thrown an error were you to use `lsof -L1`. If
>>>>> lsof returns nothing, your drive is most likely corrupted.
>>>> You are correct.  I used '+L' NOT '-L'.
>>>>> It may also be possible that the files you removed have other
>>>>> references on your file system, aka. hard links. To find them, you
>>>>> would need to know the inode number, either by using `stat` or
>>>>> `ls -i`. You can then find them using `find -inum`.
>>>>>
>>>>> Since you already removed the files, you most likely can't know
>>>>> the inode number. However you could throw a `find $path -size
>>>>> n[cwbkMG]` to list the files with the matching size.
>>>> I'm not following you on this.  What is this going to do for me?
>>>> 'find' is only going to show undeleted files.  How does this
>>>> help?
>>> It is possible for a single file to be hard-linked in several
>>> places in the file system. If so, removing it in one place will
>>> still leave it accessible from another, and therefore not deleted.
>>>
>>> Files have reference counts to keep track of this.
>> These files should not have any links, hard or soft.  None of the
>> other files in that directory show a reference count above 1. They
>> are backup files created by fsarchiver.  I'm just trying to free up
>> space by deleting files from January.
> ..any chance they have white-space-character-only names?
> E.g. " ", " ", " " etc, or Norwegian æ, ø, å, or some
> invisible non-Latin alphabet soup not supported by your
> fonts nor locales?
> You should still be able to cut-n-paste those and have
> them show up as high-lighted boxes.


No.  These are file that had names when I deleted them.  I
wrote/modified the scripts that generated the filenames, so all of the
characters came from my keyboard.  I hate names with spaces in them, so
there weren't any spaces or hidden characters in them.

Marc