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12 lines
729 B
Text
12 lines
729 B
Text
# rule to disable write cache for usb storage
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# requires hdparm to be installed
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ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", RUN+="/usr/bin/hdparm -W 0 /dev/%k"
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#
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# rules to impose buffer limits on USB devices
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# requires kernel > 6.1
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# https://docs.kernel.org/admin-guide/abi-testing.html#abi-sys-class-bdi-bdi-strict-limit
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# https://docs.kernel.org/admin-guide/abi-testing.html#abi-sys-class-bdi-bdi-max-ratio
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# https://docs.kernel.org/admin-guide/abi-testing.html#abi-sys-class-bdi-bdi-max-bytes
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# implemented using /usr/bin/udev-usb-sync
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# optional configuration in /etc/udev-usb-sync/udev-usb-sync.conf
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ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", RUN+="/usr/bin/udev-usb-sync %k"
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