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69-lvm-metad.rules
# Copyright (C) 2012 Red Hat, Inc. All rights reserved. # # This file is part of LVM2. # Udev rules for LVM. # # This rule requires blkid to be called on block devices before so only devices # used as LVM PVs are processed (ID_FS_TYPE="LVM2_member" or "LVM1_member"). SUBSYSTEM!="block", GOTO="lvm_end" ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}=="1", GOTO="lvm_end" # XXX: Properly call blkid on md devices. Workaround for #793631 KERNEL!="md[0-9]*", GOTO="next" IMPORT{builtin}="blkid" LABEL="next" # Detect removed PV label by comparing previous ID_FS_TYPE value with current one. ENV{.ID_FS_TYPE_NEW}="$env{ID_FS_TYPE}" IMPORT{db}="ID_FS_TYPE" ENV{ID_FS_TYPE}=="LVM2_member|LVM1_member", ENV{.ID_FS_TYPE_NEW}!="LVM2_member|LVM1_member", ENV{LVM_PV_GONE}="1" ENV{ID_FS_TYPE}="$env{.ID_FS_TYPE_NEW}" ENV{LVM_PV_GONE}=="1", GOTO="lvm_scan" # Only process devices already marked as a PV - this requires blkid to be called before. ENV{ID_FS_TYPE}!="LVM2_member|LVM1_member", GOTO="lvm_end" ENV{DM_MULTIPATH_DEVICE_PATH}=="1", GOTO="lvm_end" ACTION=="remove", GOTO="lvm_scan" # Create /dev/disk/by-id/lvm-pv-uuid-<PV_UUID> symlink for each PV ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-id/lvm-pv-uuid-$env{ID_FS_UUID_ENC}" # If the PV is a special device listed below, scan only if the device is # properly activated. These devices are not usable after an ADD event, # but they require an extra setup and they are ready after a CHANGE event. # Also support coldplugging with ADD event but only if the device is already # properly activated. # This logic should be eventually moved to rules where those particular # devices are processed primarily (MD and loop). # DM device: KERNEL!="dm-[0-9]*", GOTO="next" ENV{DM_UDEV_PRIMARY_SOURCE_FLAG}=="1", ENV{DM_ACTIVATION}=="1", GOTO="lvm_scan" GOTO="lvm_end" # MD device: LABEL="next" KERNEL!="md[0-9]*", GOTO="next" IMPORT{db}="LVM_MD_PV_ACTIVATED" ACTION=="add", ENV{LVM_MD_PV_ACTIVATED}=="1", GOTO="lvm_scan" ACTION=="change", ENV{LVM_MD_PV_ACTIVATED}!="1", ENV{LVM_MD_PV_ACTIVATED}="1", GOTO="lvm_scan" ACTION=="add", KERNEL=="md[0-9]*p[0-9]*", GOTO="lvm_scan" ENV{LVM_MD_PV_ACTIVATED}!="1", ENV{SYSTEMD_READY}="0" GOTO="lvm_end" # Loop device: LABEL="next" KERNEL!="loop[0-9]*", GOTO="next" ACTION=="add", ENV{LVM_LOOP_PV_ACTIVATED}=="1", GOTO="lvm_scan" ACTION=="change", ENV{LVM_LOOP_PV_ACTIVATED}!="1", ENV{LVM_LOOP_PV_ACTIVATED}="1", GOTO="lvm_scan" ENV{LVM_LOOP_PV_ACTIVATED}!="1", ENV{SYSTEMD_READY}="0" GOTO="lvm_end" # If the PV is not a special device listed above, scan only if necessary. # For "systemd_background" mode, systemd takes care of this by activating # the lvm2-pvscan@.service only once. LABEL="next" TEST!="/run/systemd/system", ACTION!="add", GOTO="lvm_end" TEST=="/run/systemd/system", ACTION!="add|change", GOTO="lvm_end" LABEL="lvm_scan" ENV{SYSTEMD_READY}="1" TEST!="/run/systemd/system", GOTO="direct_pvscan" TEST=="/run/systemd/system", GOTO="systemd_background" LABEL="systemd_background" # The table below summarises the situations in which we reach the LABEL="lvm_scan" # in the "systemd_background" case. # Marked by X, X* means only if the special dev is properly set up. # The artificial ADD is supported for coldplugging. We avoid running the pvscan # on artificial CHANGE so there's no unexpected autoactivation when WATCH rule fires. # N.B. MD and loop never actually reaches lvm_scan on REMOVE as the PV label is gone # within a CHANGE event (these are caught by the "LVM_PV_GONE" rule at the beginning). # # In this case, we simply set up the dependency between the device and the pvscan # job using SYSTEMD_ALIAS (which sets up a simplified device identifier that # allows using "BindsTo" in the sytemd unit file) and SYSTEMD_WANTS (which tells # systemd to start the pvscan job once the device is ready). # We need to set these variables for both "add" and "change" events, otherwise # systemd may loose information about the device/unit dependencies. # # | real ADD | real CHANGE | artificial ADD | artificial CHANGE | REMOVE # ============================================================================= # DM | | X | X* | | X # MD | | X | X* | | # loop | | X | X* | | # other | X | X | X | | X ACTION!="remove", ENV{LVM_PV_GONE}=="1", RUN+="/usr/bin/systemd-run /sbin/lvm pvscan --cache $major:$minor", GOTO="lvm_end" ENV{SYSTEMD_ALIAS}="/dev/block/$major:$minor" ENV{SYSTEMD_WANTS}+="lvm2-pvscan@$major:$minor.service" GOTO="lvm_end" # FIXME: this mode is not used and should be removed. LABEL="direct_pvscan" # The table below summarises the situations in which we reach the LABEL="lvm_scan" # for the "direct_pvscan" case. # Marked by X, X* means only if the special dev is properly set up. # The artificial ADD is supported for coldplugging. We avoid running the pvscan # on artificial CHANGE so there's no unexpected autoactivation when WATCH rule fires. # # In this case, we need to make sure that pvscan is not invoked spuriously, therefore # we invoke it only for "add" events for "other" devices. # # | real ADD | real CHANGE | artificial ADD | artificial CHANGE | REMOVE # ============================================================================= # DM | | X | X* | | X # MD | | X | X* | | # loop | | X | X* | | # other | X | | X | | X RUN+="/sbin/lvm pvscan --cache --activate ay --major $major --minor $minor", ENV{LVM_SCANNED}="1" LABEL="lvm_end"
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Name
Size
Permission
Action
01-md-raid-creating.rules
321 bytes
0644
40-usb_modeswitch.rules
42861 bytes
0644
40-vm-hotadd.rules
655 bytes
0644
50-apport.rules
165 bytes
0644
50-firmware.rules
210 bytes
0644
50-udev-default.rules
4846 bytes
0644
55-dm.rules
7274 bytes
0644
55-scsi-sg3_id.rules
6664 bytes
0644
56-dm-mpath.rules
4560 bytes
0644
56-dm-parts.rules
1442 bytes
0644
56-lvm.rules
2420 bytes
0644
58-scsi-sg3_symlink.rules
2863 bytes
0644
60-autosuspend.rules
419 bytes
0644
60-block.rules
703 bytes
0644
60-cdrom_id.rules
1071 bytes
0644
60-drm.rules
413 bytes
0644
60-evdev.rules
990 bytes
0644
60-fido-id.rules
491 bytes
0644
60-input-id.rules
282 bytes
0644
60-multipath.rules
3863 bytes
0644
60-open-vm-tools.rules
250 bytes
0644
60-persistent-alsa.rules
616 bytes
0644
60-persistent-input.rules
2719 bytes
0644
60-persistent-storage-dm.rules
1794 bytes
0644
60-persistent-storage-tape.rules
2135 bytes
0644
60-persistent-storage.rules
9145 bytes
0644
60-persistent-v4l.rules
769 bytes
0644
60-sensor.rules
736 bytes
0644
60-serial.rules
1190 bytes
0644
60-tpm-udev.rules
243 bytes
0644
61-persistent-storage-android.rules
455 bytes
0644
63-md-raid-arrays.rules
2452 bytes
0644
64-btrfs-dm.rules
387 bytes
0644
64-btrfs-zoned.rules
346 bytes
0644
64-btrfs.rules
612 bytes
0644
64-md-raid-assembly.rules
1462 bytes
0644
66-azure-ephemeral.rules
1951 bytes
0644
68-del-part-nodes.rules
1141 bytes
0644
69-bcache.rules
1044 bytes
0644
69-lvm-metad.rules
5813 bytes
0644
69-md-clustered-confirm-device.rules
846 bytes
0644
70-iscsi-network-interface.rules
226 bytes
0644
70-joystick.rules
432 bytes
0644
70-memory.rules
184 bytes
0644
70-mouse.rules
734 bytes
0644
70-open-iscsi.rules
253 bytes
0644
70-power-switch.rules
576 bytes
0644
70-touchpad.rules
473 bytes
0644
70-uaccess.rules
2676 bytes
0644
71-power-switch-proliant.rules
461 bytes
0644
71-seat.rules
3810 bytes
0644
73-seat-late.rules
643 bytes
0644
73-special-net-names.rules
969 bytes
0644
75-net-description.rules
452 bytes
0644
75-probe_mtd.rules
174 bytes
0644
78-graphics-card.rules
965 bytes
0644
78-sound-card.rules
4816 bytes
0644
80-debian-compat.rules
594 bytes
0644
80-drivers.rules
617 bytes
0644
80-net-setup-link.rules
295 bytes
0644
81-net-dhcp.rules
528 bytes
0644
85-hdparm.rules
82 bytes
0644
90-bolt.rules
359 bytes
0644
90-console-setup.rules
265 bytes
0644
95-dm-notify.rules
479 bytes
0644
95-kpartx.rules
1401 bytes
0644
96-e2scrub.rules
171 bytes
0644
99-lxd-agent.rules
141 bytes
0644
99-systemd.rules
4600 bytes
0644
99-vmware-scsi-udev.rules
433 bytes
0644
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