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51 lines
2.3 KiB
Plaintext
51 lines
2.3 KiB
Plaintext
# do not edit this file, it will be overwritten on update
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# persistent storage links: /dev/disk/{by-id,by-uuid,by-label,by-path}
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# scheme based on "Linux persistent device names", 2004, Hannes Reinecke <hare@suse.de>
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# forward scsi device event to corresponding block device
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ACTION=="change", SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_device", TEST=="block", ATTR{block/*/uevent}="change"
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ACTION!="add|change", GOTO="persistent_storage_end"
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SUBSYSTEM!="block", GOTO="persistent_storage_end"
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# skip rules for inappropriate block devices
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KERNEL=="fd*|mtd*|nbd*|gnbd*|md*|btibm*", GOTO="persistent_storage_end"
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# never access non-cdrom removable ide devices, the drivers are causing event loops on open()
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KERNEL=="hd*[!0-9]", ATTR{removable}=="1", SUBSYSTEMS=="ide", ATTRS{media}=="disk|floppy", GOTO="persistent_storage_end"
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KERNEL=="hd*[0-9]", ATTRS{removable}=="1", GOTO="persistent_storage_end"
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# ignore partitions that span the entire disk
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TEST=="whole_disk", GOTO="persistent_storage_end"
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# /sys/class/block will export this
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ENV{DEVTYPE}!="?*", ATTR{range}=="?*", ENV{DEVTYPE}="disk"
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ENV{DEVTYPE}!="?*", ATTR{start}=="?*", ENV{DEVTYPE}="partition"
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# for partitions import parent information
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ENV{DEVTYPE}=="partition", IMPORT{parent}="ID_*"
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# by-path (parent device path)
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ENV{DEVTYPE}=="disk", IMPORT{program}="path_id %p"
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ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}"
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ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-part%n"
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# skip unpartitioned removable media devices from drivers which do not send "change" events
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ENV{DEVTYPE}=="disk", KERNEL!="sd*|sr*", ATTR{removable}=="1", GOTO="persistent_storage_end"
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# probe filesystem metadata of optical drives which have a media inserted
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KERNEL=="sr*", ENV{ID_CDROM_MEDIA_TRACK_COUNT}=="?*", IMPORT{program}="vol_id --export --skip-raid --offset=$env{ID_CDROM_MEDIA_SESSION_LAST_OFFSET} $tempnode"
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# probe filesystem metadata of disks
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KERNEL!="sr*", IMPORT{program}="vol_id --export $tempnode"
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# watch for future changes
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KERNEL!="sr*", OPTIONS+="watch"
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# by-label/by-uuid links (filesystem metadata)
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ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
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ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
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LABEL="persistent_storage_end"
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