From: "Ludovic Courtès" <ludo@gnu.org>
To: Mathieu Othacehe <othacehe@gnu.org>
Cc: 47780-done@debbugs.gnu.org
Subject: bug#47780: [installer] Trying to install to DVD leads to crash
Date: Sun, 20 Jun 2021 22:55:09 +0200 [thread overview]
Message-ID: <878s349ryq.fsf@gnu.org> (raw)
In-Reply-To: <877disc0ig.fsf@gnu.org> (Mathieu Othacehe's message of "Thu, 17 Jun 2021 11:18:31 +0200")
Hi,
Mathieu Othacehe <othacehe@gnu.org> skribis:
>> Does Parted provide a way to tell whether a storage device is read-only?
>> That would be ideal.
>
> Yes it does, but this is not enough for a reliable installation device
> detection. In Qemu the installation device is /dev/sr0 that is
> reported as read-only by parted.
>
> Using real hardware, and an installation device on an USB drive, the
> installation device is /dev/sd* and is not reported as read-only by
> parted.
I see.
> However, I found a better way to detect the installation device, that
> relies on reading the root partition UUID from the command line.
>
> I combined the read-only parted method and the UUID based installation
> device detection in e12be802e02b3345a753e7ec1287852a7337a0a5. This seems
> to work well for all my machines, plus for your VM use case.
That’s clever. Thanks!
Ludo’.
prev parent reply other threads:[~2021-06-20 20:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-14 19:02 bug#47780: [installer] Trying to install to DVD leads to crash Ludovic Courtès
2021-06-13 12:27 ` Mathieu Othacehe
2021-06-14 12:32 ` Ludovic Courtès
2021-06-17 9:18 ` Mathieu Othacehe
2021-06-20 20:55 ` Ludovic Courtès [this message]
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