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Groups > linux.debian.user > #274884
| From | Felix Miata <mrmazda@stanis.net> |
|---|---|
| Newsgroups | linux.debian.user |
| Subject | Re: The "uniqueness" of UUIDs |
| Date | 2024-11-26 09:30 +0100 |
| Message-ID | <JMZ7j-bIp0-1@gated-at.bofh.it> (permalink) |
| References | <JMJlT-buwd-3@gated-at.bofh.it> <JMRW9-bAG5-1@gated-at.bofh.it> <JMYEh-bHZp-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Roger Price composed on 2024-11-26 08:51 (UTC+0100): > 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. Here is part of what I > saw: > NAME FSTYPE FSVER LABEL UUID FSAVAIL FSUSE% MOUNTPOINT > ... > sdg > ... > ├─sdg6 linux_raid_member 1.0 10.218.0.100:3 f5e37a29-357a-e3f2-c731-e29eddce5e91 > │ └─md3 ext4 1.0 39c24711-ab43-497c-bf3e-12b4032575ac 758.4G 7% /mnt/home > ... > sdh > ... > ├─sdh6 linux_raid_member 1.0 10.218.0.100:3 f5e37a29-357a-e3f2-c731-e29eddce5e91 > │ └─md3 ext4 1.0 39c24711-ab43-497c-bf3e-12b4032575ac 758.4G 7% /mnt/home > UUID sdg6 = UUID sdh6 ! 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 Members of a raid filesystem have to be seen as an integral part of one filesystem, a special case. It's another reason I stick to use of LABELs. # lsblk -f | egrep -A1 'raid|NAME' NAME FSTYPE FSVER LABEL UUID FSAVAIL FSUSE% MOUNTPOINTS sda -- ├─sda5 linux_raid_member 1.0 msi85:0tmp 6cb3… │ └─md0 ext4 1.0 hr18md0tmp 8aea… ├─sda6 linux_raid_member 1.0 msi85:1usrl f4e4… │ └─md1 ext4 1.0 hr18md1usrl c3f3… 934.9M 75% /usr/local ├─sda7 linux_raid_member 1.0 msi85:2srv b290… │ └─md2 ext4 1.0 hr18md2srv 7043… 5.9G 23% /srv ├─sda8 linux_raid_member 1.0 msi85:3hom 6594… │ └─md3 ext4 1.0 hr18md3hom 71bc… 27.8G 59% /home ├─sda9 linux_raid_member 1.0 msi85:4 32c4… │ └─md4 ext4 1.0 hr18md4 2d7d… 42.7G 79% └─sda10 linux_raid_member 1.0 msi85:5iso 7f46… └─md5 ext4 1.0 hr18md5iso 05f1… 32.4G 95% /isos -- ├─sdb5 linux_raid_member 1.0 msi85:0tmp 6cb3… │ └─md0 ext4 1.0 hr18md0tmp 8aea… ├─sdb6 linux_raid_member 1.0 msi85:1usrl f4e4… │ └─md1 ext4 1.0 hr18md1usrl c3f3… 934.9M 75% /usr/local ├─sdb7 linux_raid_member 1.0 msi85:2srv b290… │ └─md2 ext4 1.0 hr18md2srv 7043… 5.9G 23% /srv ├─sdb8 linux_raid_member 1.0 msi85:3hom 6594… │ └─md3 ext4 1.0 hr18md3hom 71bc… 27.8G 59% /home ├─sdb9 linux_raid_member 1.0 msi85:4 32c4… │ └─md4 ext4 1.0 hr18md4 2d7d… 42.7G 79% └─sdb10 linux_raid_member 1.0 msi85:5iso 7f46… └─md5 ext4 1.0 hr18md5iso 05f1… 32.4G 95% /isos # -- Evolution as taught in public schools is, like religion, based on faith, not based on science. Team OS/2 ** Reg. Linux User #211409 ** a11y rocks! Felix Miata
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Re: Adding a new boot disk while keeping old disk George at Clug <Clug@goproject.info> - 2024-11-25 08:30 +0100
Re: Adding a new boot disk while keeping old disk eben@gmx.us - 2024-11-25 16:10 +0100
Re: Adding a new boot disk while keeping old disk David Wright <deblis@lionunicorn.co.uk> - 2024-11-25 16:30 +0100
Re: Adding a new boot disk while keeping old disk Felix Miata <mrmazda@stanis.net> - 2024-11-25 16:40 +0100
Re: Adding a new boot disk while keeping old disk George at Clug <Clug@goproject.info> - 2024-11-26 01:50 +0100
The "uniqueness" of UUIDs Roger Price <debian@rogerprice.org> - 2024-11-26 09:00 +0100
Re: The "uniqueness" of UUIDs Nicolas George <george@nsup.org> - 2024-11-26 09:10 +0100
Re: The "uniqueness" of UUIDs Nicolas George <george@nsup.org> - 2024-11-26 09:40 +0100
Re: The "uniqueness" of UUIDs Roger Price <debian@rogerprice.org> - 2024-11-26 09:50 +0100
Re: The "uniqueness" of UUIDs Felix Miata <mrmazda@stanis.net> - 2024-11-26 09:30 +0100
Re: The "uniqueness" of UUIDs Roger Price <debian@rogerprice.org> - 2024-11-26 10:00 +0100
Re: The "uniqueness" of UUIDs Nicolas George <george@nsup.org> - 2024-11-26 10:10 +0100
Re: The "uniqueness" of UUIDs Roger Price <debian@rogerprice.org> - 2024-11-26 12:20 +0100
Re: The "uniqueness" of UUIDs <tomas@tuxteam.de> - 2024-11-26 12:40 +0100
Re: The "uniqueness" of UUIDs Nicolas George <george@nsup.org> - 2024-11-26 12:40 +0100
Re: The "uniqueness" of UUIDs <tomas@tuxteam.de> - 2024-11-26 10:30 +0100
Re: The "uniqueness" of UUIDs Nicolas George <george@nsup.org> - 2024-11-26 11:00 +0100
Re: The "uniqueness" of UUIDs Felix Miata <mrmazda@stanis.net> - 2024-11-26 15:00 +0100
Re: The "uniqueness" of UUIDs <tomas@tuxteam.de> - 2024-11-26 16:00 +0100
Re: The "uniqueness" of UUIDs Roger Price <debian@rogerprice.org> - 2024-11-26 16:40 +0100
Re: The "uniqueness" of UUIDs <tomas@tuxteam.de> - 2024-11-26 18:50 +0100
Re: The "uniqueness" of UUIDs Michael Stone <mstone@debian.org> - 2024-11-27 18:00 +0100
Re: The "uniqueness" of UUIDs Roger Price <debian@rogerprice.org> - 2024-11-26 16:00 +0100
Re: The "uniqueness" of UUIDs Arno Lehmann <al@its-lehmann.de> - 2024-11-26 09:30 +0100
Re: The "uniqueness" of UUIDs Arno Lehmann <al@its-lehmann.de> - 2024-11-26 10:50 +0100
Re: The "uniqueness" of UUIDs <tomas@tuxteam.de> - 2024-11-26 09:50 +0100
Re: The "uniqueness" of UUIDs pocket@homemail.com - 2024-11-26 13:20 +0100
Re: Adding a new boot disk while keeping old disk eben@gmx.us - 2024-11-25 18:30 +0100
Re: Adding a new boot disk while keeping old disk Hans <hans.ullrich@loop.de> - 2024-11-25 21:00 +0100
Re: Adding a new boot disk while keeping old disk <tomas@tuxteam.de> - 2024-11-25 18:00 +0100
Re: Adding a new boot disk while keeping old disk Default User <hunguponcontent@gmail.com> - 2024-11-25 18:40 +0100
Re: Adding a new boot disk while keeping old disk <tomas@tuxteam.de> - 2024-11-25 19:00 +0100
Re: Adding a new boot disk while keeping old disk Default User <hunguponcontent@gmail.com> - 2024-11-25 20:10 +0100
Re: Adding a new boot disk while keeping old disk eben@gmx.us - 2024-11-25 23:40 +0100
Re: Adding a new boot disk while keeping old disk Greg Wooledge <greg@wooledge.org> - 2024-11-26 00:00 +0100
Re: Adding a new boot disk while keeping old disk Felix Miata <mrmazda@stanis.net> - 2024-11-26 00:30 +0100
Re: Adding a new boot disk while keeping old disk Max Nikulin <manikulin@gmail.com> - 2024-11-26 03:40 +0100
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