2023-08-29 12:41:21 +02:00
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# rule to disable write cache for usb storage
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2023-03-04 17:38:36 +01:00
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# requires hdparm to be installed
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2023-08-29 13:25:17 +02:00
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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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2023-07-21 11:03:06 +02:00
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#
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2023-08-29 12:41:21 +02:00
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# rules to impose buffer limits on USB devices
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# requires kernel > 6.1
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2023-07-21 11:03:06 +02:00
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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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2023-08-29 15:30:17 +02:00
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# implemented using /usr/bin/udev-usb-tweak.sh
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# optional configuration in /etc/udev-usb-tweak/udev-usb-tweak.sh
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2023-08-29 16:12:47 +02:00
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ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", RUN+=/usr/bin/udev-usb-sync.sh %k"
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