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Re: Resize2fs Questions

From Gareth Evans <donotspam@fastmail.fm>
Newsgroups linux.debian.user
Subject Re: Resize2fs Questions
Date 2022-01-31 19:00 +0100
Message-ID <DLJ86-6Ns-5@gated-at.bofh.it> (permalink)
References <DLIOJ-6GV-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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> On 31 Jan 2022, at 17:37, Andy Smith <andy@strugglers.net> wrote:
> 
> Hello,
> 
> On Mon, Jan 31, 2022 at 05:27:56PM +0000, Gareth Evans wrote:
>>>> On 31 Jan 2022, at 14:41, Martin McCormick <martin.m@suddenlink.net> wrote:
>>> 
>>> #I should be telling resize2fs to squeeze everything in to a 7GB
>>> #partition.
>>>  sudo resize2fs /dev/loop0p2 +7G
>>> [...]
>>> then I delete P2 and then add a
>>> new partition which defaults to 2.
>> 
>> This seems to replace the partition containing the filesystem you've just resized with an empty one - doesn't it?
> 
> When you change a partition table it doesn't do anything to the
> data on the disk, only the partition table. Every partition resizing
> operation that only has to move the end position essentially does it
> this way.
> 
> (If you have to move the start then the data has to be moved first)
> 
> If you were using parted then you might type:
> 
> resizepart 2 7g
> 
> which looks less scary, but does exactly the same thing.
> 
> Cheers,
> Andy
> 
> -- 
> https://bitfolk.com/ -- No-nonsense VPS hosting
> 

Hi Andy, I appreciate the data doesn't go anywhere, but...

>> then I delete P2 and then add a
>> new partition which defaults to 2.

doesn't that at least result in the appearance of deletion (an empty partition) if done after the resizing?

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Thread

Resize2fs Questions "Martin McCormick" <martin.m@suddenlink.net> - 2022-01-31 15:50 +0100
  Re: Resize2fs Questions Andy Smith <andy@strugglers.net> - 2022-01-31 16:40 +0100
  Re: Resize2fs Questions Gareth Evans <donotspam@fastmail.fm> - 2022-01-31 18:30 +0100
    Re: Resize2fs Questions Andy Smith <andy@strugglers.net> - 2022-01-31 18:40 +0100
      Re: Resize2fs Questions Gareth Evans <donotspam@fastmail.fm> - 2022-01-31 19:00 +0100
        Re: Resize2fs Questions Gareth Evans <donotspam@fastmail.fm> - 2022-01-31 19:10 +0100
          Re: Resize2fs Questions Gareth Evans <donotspam@fastmail.fm> - 2022-01-31 19:20 +0100
        Re: Resize2fs Questions Andy Smith <andy@strugglers.net> - 2022-02-01 00:40 +0100
          Re: Resize2fs Questions Stefan Monnier <monnier@iro.umontreal.ca> - 2022-02-01 03:00 +0100

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