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Re: The "uniqueness" of UUIDs

From Hans <hans.ullrich@loop.de>
Newsgroups linux.debian.user
Subject Re: The "uniqueness" of UUIDs
Date 2024-11-26 10:00 +0100
Message-ID <JMZAl-bIAy-3@gated-at.bofh.it> (permalink)
References <JMYXD-bIl2-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Am Dienstag, 26. November 2024, 09:11:58 CET schrieb Roger Price:
What about juste enter

blkid

as root?

Will also give UUID and Label.

Best

Hans   


> Sorry, the formatting was messed up and the message unreadable.
> 
> On Tue, 26 Nov 2024, George at Clug wrote:
> > "$ lsblk -f" output is very nice !   Thanks.
> 
> I tried this and noticed UUID duplication in the output. I attach a small
> text file which shows what I saw. UUID sdg6 = UUID sdh6 !
> 
>   NAME    FSTYPE            UUID
>   ...
>   ├─sdg6  linux_raid_membe3 f5e37a29-357a-e3f2-c731-e29eddce5e
>   │ └─md3 ext4           1.039c24711-ab43-497c-bf3e-12b4032575a.4G
>   ...
>   ├─sdh6  linux_raid_membe3 f5e37a29-357a-e3f2-c731-e29eddce5e91
>   │ └─md3 ext4           39c39c24711-ab43-497c-bf3e-12b403257.4G
> 
> If I wanted to retire /dev/sdg6 from the Raid array, I would not be able to
> use the UUID, only the unique SDxn.
> 
> Aren't UUIDs supposed to be unique?  Roger

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Thread

The "uniqueness" of UUIDs Roger Price <debian@rogerprice.org> - 2024-11-26 09:20 +0100
  Re: The "uniqueness" of UUIDs Hans <hans.ullrich@loop.de> - 2024-11-26 10:00 +0100
    Re: The "uniqueness" of UUIDs Roger Price <debian@rogerprice.org> - 2024-11-26 10:10 +0100
      Re: The "uniqueness" of UUIDs George at Clug <Clug@goproject.info> - 2024-11-26 10:40 +0100
  Re: The "uniqueness" of UUIDs Andy Smith <andy@strugglers.net> - 2024-11-26 16:30 +0100

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