How to automatically mount/unmount an external USB hard drive
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# File: /etc/udev/rules.d/85-external-drive-rule.rules |
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# Rules for auto-mounting/unmounting USB drives |
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ACTION=="add", ENV{ID_MODEL}=="USB_to_ATA_ATAPI_bridge", ENV{ID_VENDOR_ID}=="152d", ENV{ID_MODEL_ID}=="2338", RUN+="/usr/local/bin/automount.sh" |
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ACTION=="remove", ENV{ID_MODEL}=="USB_to_ATA_ATAPI_bridge", ENV{ID_VENDOR_ID}=="152d", ENV{ID_MODEL_ID}=="2338", RUN+="/usr/local/bin/unmount.sh" |
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# Notes: |
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# To detect your own drive's ID_MODEL, ID_MODEL_ID, and ID_VENDOR_ID, run "udevadm monitor --environment --udev" before plugging/unplugging the drive |
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# To force udev to reload these rules (without reboot), run "udevadm control --reload-rules" and "udevadm trigger" |
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# To change udev's logging level (written to /var/log/syslog), you can run "udevadm control --log-priority=info" (or debug), or configure it via /etc/udev/udev.conf |
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#!/bin/bash |
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# File: /usr/local/bin/automount.sh |
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# Wait a few seconds for the drive to spin up after connecting |
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sleep 5 |
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# Use the rules in /etc/fstab to automatically mount the drive |
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/bin/mount -a |
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# Tell the drive to spin down after 10 minutes |
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if [ -e /dev/sda ]; then |
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/sbin/hdparm -K1 -S120 /dev/sda |
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fi |
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if [ -e /dev/sdb ]; then |
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/sbin/hdparm -K1 -S120 /dev/sdb |
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fi |
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# File: /etc/fstab |
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# OS partitions (don't mess with 'em): |
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proc /proc proc defaults 0 0 |
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/dev/mmcblk0p1 /boot vfat defaults 0 2 |
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/dev/mmcblk0p2 / ext4 defaults,noatime 0 1 |
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# At boot-time, automatically mount your external HDD, if detected |
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# To find the UUID, run "blkid" |
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UUID=<partition-uuid> /mnt/<path> ntfs-3g defaults,auto,noatime,nodiratime,noexec 0 0 |
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#!/bin/bash |
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# File: /usr/local/bin/unmount.sh |
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# The path you use could be the partition in /dev or could be the mount-point (something under /mnt, /media) |
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/bin/umount /mnt/<path> |
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A 3TB internal SATA drive is connected to my Raspberry Pi 2 Model B via a USB-to-SATA adapter. |
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I am using the RPi to run kodi; all the movies, videos, and TV shows are contained in the hard-drive. |
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My goals for drive-management are: |
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* To automatically detect and mount the drive at boot-time (if detected) => use /etc/fstab |
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* To automatically detect and mount the drive after boot-time (whenever hot-plugged) => write custom /etc/udev/rules.d/*.rules |
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* To automatically unmount the drive when it is unplugged/powered-off => write custom /etc/udev/rules.d/*.rules |
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* To spin down the hard-drive after a period of inactivity => piggy-back off the udev rules |
/85-external-drive-rule.rules
forked from eib/85-external-drive-rule.rules
Created