[SOLVED]: Re: Setting /sys/block/sdb/device/max_sectors permanently to 128 for specific device

[Lorenzo Sutton <lorenzofsutton@gmail.com>]

> I got a Samsung YP-R2 portable

...

> Only problem is the device keeps being reset at any copy/move/delete
> operation.
>
> Googling provided a solution which seems to work [1][2] which consists
> in setting max_sectors to 128 istead of the default 240.
>
> I can do that as root manually but I'd like to have it done
> automatically when the device is mounted.

For reference I solved this in the following way.

Create a file (as superuser):

/etc/udev/rules.d/50-samsung-yp-r2.rules

And writing the following rule:

SUBSYSTEMS=="scsi", ATTRS{vendor}=="Samsung", ATTRS{model}=="YP-R2*", 
ATTR{max_sectors}="128"

Important: It has to be a unique line.

Lorenzo.