[gentoo-user] format usb as ext4

[gentoo-user] format usb as ext4

[syscon edm]

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I format usb as ext4
mkfs.ext4 /dev/sda1

but XFCE does not automount the partition
my other usb (ext4 as well) shows up automatically under
/run/media/joseph/disk_name

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Re: [gentoo-user] format usb as ext4

[Mitchell Dorrell]

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On Wed, Oct 23, 2024, 20:35 syscon edm <syscon780@gmail.com> wrote:

> I format usb as ext4
> mkfs.ext4 /dev/sda1
>
> but XFCE does not automount the partition
> my other usb (ext4 as well) shows up automatically under
> /run/media/joseph/disk_name
>

I think you're correct that if something is automounting your USB storage
device, it's probably XFCE (or some part of it).

I don't personally use XFCE, but I'm sure others here probably do. If you
don't get any responses on this mailing list, then perhaps try the
#gentoo-xfce IRC channel. If that's also quiet, you might try another venue
that focuses specifically on XFCE, such as the official XFCE links at
https://www.xfce.org/community .

-Mitchell Dorrell

>

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Re: [gentoo-user] format usb as ext4

[syscon edm]

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It was my error, the command should be:
mkfs.ext4 /dev/sda
The usb was auto-mounted as soon as the command finished.

It has been some time since I run it, but looking at some documentation
on-line a lot of instructions show to run:
sudo mkfs.ext4 /dev/sdX1

eg:
https://unix.stackexchange.com/questions/422656/how-to-make-an-ext4-formatted-usb-drive-with-full-rw-permissions-for-any-linux-m
Even Google AI if one search: "gentoo format usb as ext4"
it shows to run:
sudo mkfs -t ext4 /dev/sdb1

this will work but the disk will not automount in XFCE,
it should be:
sudo mkfs.ext4 /dev/sdX



On Wed, Oct 23, 2024 at 8:20 PM Mitchell Dorrell <mwd@psc.edu> wrote:

> On Wed, Oct 23, 2024, 20:35 syscon edm <syscon780@gmail.com> wrote:
>
>> I format usb as ext4
>> mkfs.ext4 /dev/sda1
>>
>> but XFCE does not automount the partition
>> my other usb (ext4 as well) shows up automatically under
>> /run/media/joseph/disk_name
>>
>
> I think you're correct that if something is automounting your USB storage
> device, it's probably XFCE (or some part of it).
>
> I don't personally use XFCE, but I'm sure others here probably do. If you
> don't get any responses on this mailing list, then perhaps try the
> #gentoo-xfce IRC channel. If that's also quiet, you might try another venue
> that focuses specifically on XFCE, such as the official XFCE links at
> https://www.xfce.org/community .
>
> -Mitchell Dorrell
>
>>

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Re: [gentoo-user] format usb as ext4

[Jack Ostroff]

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[resent from my subscribed email]

"mkfs.ext4 /dev/sda" will create/format an ext4 partition taking up the 
entire device, which will then easily be automounted.

"mkfs.ext4 /dev/sda1" can work, but only if you have already created a 
partition table on /dev/sda and created at least one partition in it.  
It probably won't automount because the system doesn't know which of the 
possibly several partitions on the device should be mounted, but I 
haven't tested.

On 10/23/24 10:34 PM, syscon edm wrote:
> It was my error, the command should be:
> mkfs.ext4 /dev/sda
> The usb was auto-mounted as soon as the command finished.
>
> It has been some time since I run it, but looking at some 
> documentation on-line a lot of instructions show to run:
> sudo mkfs.ext4 /dev/sdX1
>
> eg:
> https://unix.stackexchange.com/questions/422656/how-to-make-an-ext4-formatted-usb-drive-with-full-rw-permissions-for-any-linux-m
> Even Google AI if one search: "gentoo format usb as ext4"
> it shows to run:
> sudo mkfs -t ext4 /dev/sdb1
>
> this will work but the disk will not automount in XFCE,
> it should be:
> sudo mkfs.ext4 /dev/sdX
>
>
>
> On Wed, Oct 23, 2024 at 8:20 PM Mitchell Dorrell <mwd@psc.edu> wrote:
>
>     On Wed, Oct 23, 2024, 20:35 syscon edm <syscon780@gmail.com> wrote:
>
>         I format usb as ext4
>         mkfs.ext4 /dev/sda1
>
>         but XFCE does not automount the partition
>         my other usb (ext4 as well) shows up automatically under
>         /run/media/joseph/disk_name
>
>
>     I think you're correct that if something is automounting your USB
>     storage device, it's probably XFCE (or some part of it).
>
>     I don't personally use XFCE, but I'm sure others here probably do.
>     If you don't get any responses on this mailing list, then perhaps
>     try the #gentoo-xfce IRC channel. If that's also quiet, you might
>     try another venue that focuses specifically on XFCE, such as the
>     official XFCE links at https://www.xfce.org/community .
>
>     -Mitchell Dorrell
>

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Re: [gentoo-user] format usb as ext4

[syscon edm]

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Yes, you are right.
doing "mkfs.ext4 /dev/sda1" worked, but I could only manually mount,
for automount it has to be entire partition "mkfs.ext4 /dev/sda"

On Wed, Oct 23, 2024 at 8:43 PM Jack Ostroff <
ostroffjh@users.sourceforge.net> wrote:

> [resent from my subscribed email]
>
> "mkfs.ext4 /dev/sda" will create/format an ext4 partition taking up the
> entire device, which will then easily be automounted.
>
> "mkfs.ext4 /dev/sda1" can work, but only if you have already created a
> partition table on /dev/sda and created at least one partition in it.  It
> probably won't automount because the system doesn't know which of the
> possibly several partitions on the device should be mounted, but I haven't
> tested.
>
> On 10/23/24 10:34 PM, syscon edm wrote:
>
> It was my error, the command should be:
> mkfs.ext4 /dev/sda
> The usb was auto-mounted as soon as the command finished.
>
> It has been some time since I run it, but looking at some documentation
> on-line a lot of instructions show to run:
> sudo mkfs.ext4 /dev/sdX1
>
> eg:
>
> https://unix.stackexchange.com/questions/422656/how-to-make-an-ext4-formatted-usb-drive-with-full-rw-permissions-for-any-linux-m
> Even Google AI if one search: "gentoo format usb as ext4"
> it shows to run:
> sudo mkfs -t ext4 /dev/sdb1
>
> this will work but the disk will not automount in XFCE,
> it should be:
> sudo mkfs.ext4 /dev/sdX
>
>
>
> On Wed, Oct 23, 2024 at 8:20 PM Mitchell Dorrell <mwd@psc.edu> wrote:
>
>> On Wed, Oct 23, 2024, 20:35 syscon edm <syscon780@gmail.com> wrote:
>>
>>> I format usb as ext4
>>> mkfs.ext4 /dev/sda1
>>>
>>> but XFCE does not automount the partition
>>> my other usb (ext4 as well) shows up automatically under
>>> /run/media/joseph/disk_name
>>>
>>
>> I think you're correct that if something is automounting your USB storage
>> device, it's probably XFCE (or some part of it).
>>
>> I don't personally use XFCE, but I'm sure others here probably do. If you
>> don't get any responses on this mailing list, then perhaps try the
>> #gentoo-xfce IRC channel. If that's also quiet, you might try another venue
>> that focuses specifically on XFCE, such as the official XFCE links at
>> https://www.xfce.org/community .
>>
>> -Mitchell Dorrell
>>
>>>

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Re: [gentoo-user] format usb as ext4

[Michael]

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On Thursday 24 October 2024 14:11:12 BST syscon edm wrote:
> Yes, you are right.
> doing "mkfs.ext4 /dev/sda1" worked, but I could only manually mount,
> for automount it has to be entire partition "mkfs.ext4 /dev/sda"

If you want to run "mkfs.ext4 /dev/sda1" then first you must create a 
partition label (e.g DOS, GPT) and add a partition on the device using fdisk, 
parted, etc.  The mkfs command will error out complaining about /dev/sda1 not 
found or something like that.

If the device has no partitions on it, then "mkfs.ext4 /dev/sda" is what you 
have to run.  It will format an ext4 fs on the whole device, like a floppy 
disk.

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Re: [gentoo-user] format usb as ext4

[Mitchell Dorrell]

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On Wed, Oct 23, 2024 at 10:35 PM syscon edm <syscon780@gmail.com> wrote:

> It was my error, the command should be:
> mkfs.ext4 /dev/sda
> The usb was auto-mounted as soon as the command finished.
>

You can format the whole thing (/dev/sda) as one big ext4 volume, yes, but
unless I'm very mistaken, that's not standard practice. USB storage devices
usually have a partition table with one or more partitions defined. The
first partition would be /dev/sda1, so the usual commands to format such a
partition would use /dev/sda1, not /dev/sda.

Since you're formatting it as ext4, I suppose you only intend to use this
on Linux machines. I guess it's probably OK to format the whole device as
ext4, without any partition table. However, I would definitely advise
against it for any USB device you might use in a cross-platform
environment. I have no idea whether you can skip the partition table and
still be usable with computers running Windows or Mac OS or with embedded
systems like home printers or commercial photo kiosks.

-MD

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Re: [gentoo-user] format usb as ext4

[Jacques Montier]

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Le jeu. 24 oct. 2024 à 05:01, Mitchell Dorrell <mwd@psc.edu> a écrit :

> On Wed, Oct 23, 2024 at 10:35 PM syscon edm <syscon780@gmail.com> wrote:
>
>> It was my error, the command should be:
>> mkfs.ext4 /dev/sda
>> The usb was auto-mounted as soon as the command finished.
>>
>
> You can format the whole thing (/dev/sda) as one big ext4 volume, yes, but
> unless I'm very mistaken, that's not standard practice. USB storage devices
> usually have a partition table with one or more partitions defined. The
> first partition would be /dev/sda1, so the usual commands to format such a
> partition would use /dev/sda1, not /dev/sda.
>
> Since you're formatting it as ext4, I suppose you only intend to use this
> on Linux machines. I guess it's probably OK to format the whole device as
> ext4, without any partition table. However, I would definitely advise
> against it for any USB device you might use in a cross-platform
> environment. I have no idea whether you can skip the partition table and
> still be usable with computers running Windows or Mac OS or with embedded
> systems like home printers or commercial photo kiosks.
>
> -MD
>


Hello,

Same issue.
No automount usb disk ext4 formatted with cinnamon 6.
Automounting with fat32, ntfs or xfat formatted disk.

Cheers,

--
Jacques

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Re: [gentoo-user] format usb as ext4

[Wol]

On 24/10/2024 04:01, Mitchell Dorrell wrote:
> I have no idea whether you can skip the partition table and still be 
> usable with computers running Windows or Mac OS or with embedded systems 
> like home printers or commercial photo kiosks.

Seeing as it's removable media I would expect most of those to have 
problems if you DID have a partition table. It's linux that's unusual in 
being happy with a partition table on removable media.

Cheers,
Wol

Re: [gentoo-user] format usb as ext4

[Matt Jolly]

Hi,

On 4/11/24 09:35, Wol wrote:

> Seeing as it's removable media I would expect most of those to have 
> problems if you DID have a partition table. It's linux that's unusual in 
> being happy with a partition table on removable media.
> 

That is not the case at all. Without a partition table how would other
OSes handle, say, a USB thumbdrive with multiple partitions?

Various *nixes are the systems that don't mind if you just bang a
filesystem directly onto a storage device. Windows would (and does)
have a conniption if this is attempted.

Regards,

Matt

Re: [gentoo-user] format usb as ext4

[Wols Lists]

On 04/11/2024 02:11, Matt Jolly wrote:
> Hi,
> 
> On 4/11/24 09:35, Wol wrote:
> 
>> Seeing as it's removable media I would expect most of those to have 
>> problems if you DID have a partition table. It's linux that's unusual 
>> in being happy with a partition table on removable media.
>>
> 
> That is not the case at all. Without a partition table how would other
> OSes handle, say, a USB thumbdrive with multiple partitions?

I wasn't aware they could...
> 
> Various *nixes are the systems that don't mind if you just bang a
> filesystem directly onto a storage device. Windows would (and does)
> have a conniption if this is attempted.
> 
I know linux doesn't care - has never cared, but historically you did 
NOT have partition tables on removable media. Floppy disks didn't have 
partition tables. I'm not aware of early SD cards or USB sticks having 
partition tables. It's only relatively recently with "huge" media sticks 
that partition tables on removable media have become a thing.

If you wanted to boot a Windows install from a USB stick, I'm used to 
just dd'ing the CD iso (shows how long ago that was) to the stick.

Certainly in the early days, istr Windows being unable to find a 
partition table on a USB stick.

Cheers,
Wol

Re: [gentoo-user] format usb as ext4

[Viorel Munteanu]

La 04.11.2024 09:35, Wols Lists a scris:
> I know linux doesn't care - has never cared, but historically you did 
> NOT have partition tables on removable media. Floppy disks didn't have 
> partition tables. I'm not aware of early SD cards or USB sticks having 
> partition tables. It's only relatively recently with "huge" media 
> sticks that partition tables on removable media have become a thing.
>
Actually they did.  USB sticks had a partition table, and Windows would 
would only see the first partition.  It did not show you the partition 
table, but it was there.

I think the last floppy without a partition table was the 1.44 MB one 
(ok, the 2.88 MB too, but I never saw one).  Even ZIP drives had a 
partition table.


Viorel