Re: [gentoo-user] Rename /dev/nvme0n1 to /dev/sda

[J. Roeleveld]

On 3 September 2017 20:11:51 GMT+02:00, "Canek Peláez Valdés" <caneko@×××××.com> wrote:
>On Sun, Sep 3, 2017 at 7:59 PM, Grant <emailgrant@×××××.com> wrote:
>>
>> >> My new laptop uses /dev/nvme0n1 instead of /dev/sda which
>conflicts
>> >> with the script I use to manage about 12 similar laptops running
>> >> Gentoo.  Is there a udev method for renaming the disk that will
>work
>> >> well with any USB disks that happen to also be attached?
>> >>
>> >> crw------- 1 root root 252, 0 Aug 31 11:34 /dev/nvme0
>> >> brw-rw---- 1 root disk 259, 0 Aug 31 11:34 /dev/nvme0n1
>> >> brw-rw---- 1 root disk 259, 1 Aug 31 11:34 /dev/nvme0n1p1
>> >> brw-rw---- 1 root disk 259, 2 Aug 31 11:34 /dev/nvme0n1p2
>> >
>> > Isn't so much easier to use labels? Those are automatically
>available on
>> > /dev/disk/by-label, and you can use them in basically any type of
>partition,
>> > including Windows (NTFS and vfat) and swaps.
>>
>>
>> Do labels work with root= in grub and stuff like dd, fdisk, and mkfs?
>
>The label by itself works at boot since it's just another kernel
>parameter;
>for example in my latop (that uses NVME, by the way) uses the following
>in
>the kernel command line: "root=LABEL=Dell".

Since when does the kernel support labels? Last time I checked, you need an initramfs to make that work.

--
Joost 



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