40 lines
1.4 KiB
Plaintext
40 lines
1.4 KiB
Plaintext
# Rules for partitions created by kpartx
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KERNEL!="dm-*", GOTO="dm_parts_end"
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ACTION!="add|change", GOTO="dm_parts_end"
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ENV{DM_UUID}!="part[0-9]*", GOTO="dm_parts_end"
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# We must take care that symlinks don't get lost,
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# even if blkid fails in 13-dm-disk.rules later.
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#
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# Fixme: we have currently no way to avoid calling blkid on
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# partitions of broken mpath maps such as DM_NOSCAN.
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# But when partition devices appear, kpartx has likely read
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# the partition table shortly before, so odds are not bad
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# that blkid will also succeed.
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IMPORT{db}="ID_FS_USAGE"
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IMPORT{db}="ID_FS_UUID_ENC"
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IMPORT{db}="ID_FS_LABEL_ENC"
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IMPORT{db}="ID_PART_ENTRY_NAME"
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IMPORT{db}="ID_PART_ENTRY_UUID"
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IMPORT{db}="ID_PART_ENTRY_SCHEME"
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# Maps should take precedence over their members.
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ENV{DM_UDEV_LOW_PRIORITY_FLAG}!="1", OPTIONS+="link_priority=50"
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# Set some additional symlinks that typically exist for mpath
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# path members, too, and should be overridden.
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#
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# kpartx_id is very robust, it works for suspended maps and maps
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# with 0 dependencies. It sets DM_TYPE, DM_PART, DM_WWN
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IMPORT{program}=="kpartx_id %M %m $env{DM_UUID}"
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# DM_TYPE only has a reasonable value for partitions on multipath.
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ENV{DM_UUID}=="*-mpath-*", ENV{DM_TYPE}=="?*", ENV{DM_SERIAL}=="?*" \
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SYMLINK+="disk/by-id/$env{DM_TYPE}-$env{DM_SERIAL}-part$env{DM_PART}"
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ENV{DM_WWN}=="?*", ENV{DM_PART}=="?*", \
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SYMLINK+="disk/by-id/wwn-$env{DM_WWN}-part$env{DM_PART}"
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LABEL="dm_parts_end"
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