udev applied to SDHC card. Two systems compared.

[peter@easthope.ca]

Any ideas about why udev assigns a symlink on the desktop system and 
not on the Sharp Mebius laptop?

Thx,                        ... P.

Desktop machine.
peter@joule:/home/peter$ lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description:    Debian GNU/Linux 11 (bullseye)
Release:        11
Codename:       bullseye

peter@joule:/home/peter$ uname -a
Linux joule 5.10.0-10-686-pae #1 SMP Debian 5.10.84-1 (2021-12-08) i686 GNU/Linux

Pertinent lines in /etc/udev/rules.d/10-local.rules.
# The green Nexttech SDHC card.
KERNEL=="sd?1", ATTR{size}=="7434240", SYMLINK+="GRNSD", \
 OWNER="peter", GROUP="users"
 
peter@joule:/home/peter$ ls /dev/G*
/dev/GRNSD

Laptop machine.
peter@mebius:/home/peter$ lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description:    Debian GNU/Linux 11 (bullseye)
Release:        11
Codename:       bullseye

peter@mebius:/home/peter$ uname -a
Linux mebius 5.10.0-10-686-pae #1 SMP Debian 5.10.84-1 (2021-12-08) i686 GNU/Linux

Pertinent lines in /etc/udev/rules.d/10-local.rules.
# The green Nexttech SDHC card.
KERNEL=="sd?1", ATTR{size}=="7434240", SYMLINK+="GRNSD", \
 OWNER="peter", GROUP="users"

peter@mebius:/home/peter$ ls /dev/G*
ls cannot access 'dev/G*': No such file or directory

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