That tecmint article has several serious issues with it (this is
reflected in the comments, too).
You need a slightly more complex script for what you are attempting.
This is based on Attachup, a pyudev srcipt that backs-up a thumbdrive
to a computer upon attaching it - but you can make your shell script
do whatever you like. https://gitlab.com/slackermedia/attachup
```
KERNEL!="sd[a-z][0-9]", GOTO="media_by_label_auto_mount_end"
IMPORT{program}="/sbin/blkid -o udev -p %N"
# Get label or create one
ENV{ID_FS_LABEL}!="", ENV{dir_name}="%E{ID_FS_LABEL}"
ENV{ID_FS_LABEL}=="", ENV{dir_name}="usbhd-%k"
# mount
ACTION=="add", ENV{mount_options}="relatime"
ACTION=="add", ENV{ID_FS_TYPE}=="vfat|ntfs",
ENV{mount_options}="$env{mount_options},utf8,gid=100,umask=002"
# mount and start backup script##
## replace UUID_OF_PARTITION with the UUID of your destination partition
ACTION=="add", ENV{ID_FS_UUID}=="UUID_OF_PARTITION", RUN+="/bin/mkdir
-p /media/%E{dir_name}", RUN+="/sbin/mount -o $env{mount_options}
/dev/%k /media/%E{dir_name}", MODE="0770", GROUP="users",
RUN+="/usr/bin/mrs-auto_backup.sh"
# Clean up after removal
ACTION=="remove", ENV{dir_name}!="", RUN+="/sbin/umount -l
/media/%E{dir_name}", RUN+="/bin/rmdir /media/%E{dir_name}"
# Exit
LABEL="media_by_label_auto_mount_end"
```
Replace UUID_OF_PARTITION with the UUID of the partition that you want
to backup to. You can obtain the UUID with the ``blkid`` command (make
sure the drive is attached at the time).
Make sure you are in the ``users`` group (or else use a group that you ARE in).
Install that code as a udev rule, and then reboot (I still don't trust
udevadm control --reload).
When you attach your drive, it will get mounted to /media.
Change your backup script (/usr/bin/mrs-auto_backup.sh) so that it
back-ups to what gets mounted in /media. I find that this helps ensure
a reliable and unique location for your backup destination.
Make sure your backup script (/usr/bin/mrs-auto_backup.sh) is executable.
Good luck!
On Mon, Jul 1, 2019 at 12:40 AM Angelo Moreschini
<mrangelo.fedora@gmail.com> wrote:
>
> Hi,
> in order to backing up data when I connect to computer an USB HD, I wrote the follow UDEV rule :
> ------------------------------------------------------------------
> SUBSYSTEM=="block", ACTION=="add", ATTRS{vendor}=="152d", ATTRS{model}=="0578", SYMLINK+="external%n", RUN+="/usr/bin/mrs-auto_backup.sh"
> -------------------------------------------------------------------
> the rule is the content of the file : /etc/udev/rules.d/10.autobackup.rules
> that I self created .
>
> I learned this method at the link : https://www.tecmint.com/auto-backup-files-to-usb-media-in-linux/ ("How to backup files to USB media when connected")
>
> As well I tried in many different combinations and parameters values, never I was able to execute the script inside the rule.
>
> -----
> In order to get the USB HD characteristic of the USB Hard Disk to use for backing-up the data I used the command :
> <sudo udevadm info -q all -n /dev/sdc>
> and its output is transcribed below
>
> Could someone help me to understand because this rule doesn't works ?
>
> thank you
> regards
> Angelo
> -------------------
> features (attributes) of the USB Hrd Disk that I got with the above command :
> [angelo_dev@localhost ~]$ sudo udevadm info -q all -n /dev/sdc
>
> P: /devices/pci0000:00/0000:00:14.0/usb3/3-5/3-5.1/3-5.1.2/3-5.1.2:1.0/host6/target6:0:0/6:0:0:0/block/sdc
> N: sdc
> L: 0
> S: external
> S: disk/by-path/pci-0000:00:14.0-usb-0:5.1.2:1.0-scsi-0:0:0:0
> S: disk/by-id/usb-JMicron_Tech_DB12345681BC-0:0
> E: DEVPATH=/devices/pci0000:00/0000:00:14.0/usb3/3-5/3-5.1/3-5.1.2/3-5.1.2:1.0/host6/target6:0:0/6:0:0:0/block/sdc
> E: DEVNAME=/dev/sdc
> E: DEVTYPE=disk
> E: MAJOR=8
> E: MINOR=32
> E: SUBSYSTEM=block
> E: USEC_INITIALIZED=11404758453
> E: ID_VENDOR=JMicron
> E: ID_VENDOR_ENC=JMicron\x20
> E: ID_VENDOR_ID=152d
> E: ID_MODEL=Tech
> E: ID_MODEL_ENC=Tech\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20
> E: ID_MODEL_ID=0578
> E: ID_REVISION=0203
> E: ID_SERIAL=JMicron_Tech_DB12345681BC-0:0
> E: ID_SERIAL_SHORT=DB12345681BC
> E: ID_TYPE=disk
> E: ID_INSTANCE=0:0
> E: ID_BUS=usb
> E: ID_USB_INTERFACES=:080650:080662:
> E: ID_USB_INTERFACE_NUM=00
> E: ID_USB_DRIVER=uas
> E: ID_PATH=pci-0000:00:14.0-usb-0:5.1.2:1.0-scsi-0:0:0:0
> E: ID_PATH_TAG=pci-0000_00_14_0-usb-0_5_1_2_1_0-scsi-0_0_0_0
> E: ID_PART_TABLE_UUID=0007fd62
> E: ID_PART_TABLE_TYPE=dos
> E: DEVLINKS=/dev/external /dev/disk/by-path/pci-0000:00:14.0-usb-0:5.1.2:1.0-scsi-0:0:0:0 /dev/disk/by-id/usb-JMicron_Tech_DB12345681BC-0:0
> E: TAGS=:systemd:
>
>
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