0x1949 Team - FAZEMRX - MANAGER

Edit File: 56-dm-mpath.rules

ACTION!="add|change", GOTO="mpath_end" ENV{DM_UDEV_RULES}!="?*", GOTO="mpath_end" ENV{DM_UUID}!="mpath-?*", GOTO="mpath_end" IMPORT{db}="DM_DISABLE_OTHER_RULES_FLAG_OLD" IMPORT{db}="MPATH_DEVICE_READY" # If this uevent didn't come from dm, don't try to update the # device state ENV{DM_COOKIE}!="?*", ENV{DM_ACTION}!="PATH_*", IMPORT{db}="DM_UDEV_DISABLE_OTHER_RULES_FLAG", IMPORT{db}="DM_NOSCAN", GOTO="scan_import" ENV{.MPATH_DEVICE_READY_OLD}="$env{MPATH_DEVICE_READY}" # multipath sets DM_SUBSYSTEM_UDEV_FLAG2 when it reloads a # table with no active devices. If this happens, mark the # device not ready ENV{DM_SUBSYSTEM_UDEV_FLAG2}=="1", ENV{MPATH_DEVICE_READY}="0",\ GOTO="mpath_action" # If the last path has failed mark the device not ready # Note that DM_NR_VALID_PATHS is only set for PATH_FAILED|PATH_REINSTATED # events. # This may not be reliable, as events aren't necessarily received in order. ENV{DM_NR_VALID_PATHS}=="0", ENV{MPATH_DEVICE_READY}="0", GOTO="mpath_action" ENV{MPATH_SBIN_PATH}="/sbin" TEST!="$env{MPATH_SBIN_PATH}/multipath", ENV{MPATH_SBIN_PATH}="/usr/sbin" # Don't run multipath -U during "coldplug" after switching root, # because paths are just being added to the udev db. ACTION=="add", ENV{.MPATH_DEVICE_READY_OLD}=="1", GOTO="paths_ok" # Check the map state directly with multipath -U. # This doesn't attempt I/O on the device. PROGRAM=="$env{MPATH_SBIN_PATH}/multipath -U -v1 %k", GOTO="paths_ok" ENV{MPATH_DEVICE_READY}="0", GOTO="mpath_action" LABEL="paths_ok" # Don't mark a device ready on a PATH_FAILED event. even if # DM_NR_VALID_PATHS is greater than 0. Just keep the existing # value ENV{DM_ACTION}=="PATH_FAILED", GOTO="mpath_action" # This event is either a PATH_REINSTATED or a table reload where # there are active paths. Mark the device ready ENV{MPATH_DEVICE_READY}="1" LABEL="mpath_action" # DM_SUBSYSTEM_UDEV_FLAG0 is the "RELOAD" flag for multipath subsystem. # Drop the DM_ACTIVATION flag here as mpath reloads tables if any of its # paths are lost/recovered. For any stack above the mpath device, this is not # something that should be reacted upon since it would be useless extra work. # It's exactly mpath's job to provide *seamless* device access to any of the # paths that are available underneath. ENV{DM_SUBSYSTEM_UDEV_FLAG0}=="1", \ ENV{DM_ACTIVATION}="0", ENV{MPATH_UNCHANGED}="1" # For path failed or reinstated events, unset DM_ACTIVATION. # This is similar to the DM_SUBSYSTEM_UDEV_FLAG0 case above. ENV{DM_ACTION}=="PATH_FAILED|PATH_REINSTATED", \ ENV{DM_ACTIVATION}="0", ENV{MPATH_UNCHANGED}="1" # Do not initiate scanning if no path is available, # otherwise there would be a hang or IO error on access. # We'd like to avoid this, especially within udev processing. ENV{MPATH_DEVICE_READY}=="0", ENV{DM_NOSCAN}="1" # Also skip all foreign rules if no path is available. # Remember the original value of DM_DISABLE_OTHER_RULES_FLAG # and restore it back once we have at least one path available. ENV{MPATH_DEVICE_READY}=="0", ENV{.MPATH_DEVICE_READY_OLD}=="1",\ ENV{DM_DISABLE_OTHER_RULES_FLAG_OLD}=="",\ ENV{DM_DISABLE_OTHER_RULES_FLAG_OLD}="$env{DM_UDEV_DISABLE_OTHER_RULES_FLAG}" ENV{MPATH_DEVICE_READY}=="0", ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="1" ENV{MPATH_DEVICE_READY}!="0", ENV{.MPATH_DEVICE_READY_OLD}=="0",\ ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="$env{DM_DISABLE_OTHER_RULES_FLAG_OLD}",\ ENV{DM_DISABLE_OTHER_RULES_FLAG_OLD}="",\ ENV{DM_ACTIVATION}="1", ENV{MPATH_UNCHANGED}="0" # The code to check multipath state ends here. We need to set # properties and symlinks regardless whether the map is usable or # not. If symlinks get lost, systemd may auto-unmount file systems. LABEL="scan_import" ENV{DM_NOSCAN}!="1", GOTO="import_end" IMPORT{db}="ID_FS_TYPE" IMPORT{db}="ID_FS_USAGE" IMPORT{db}="ID_FS_UUID" IMPORT{db}="ID_FS_UUID_ENC" IMPORT{db}="ID_FS_LABEL" IMPORT{db}="ID_FS_LABEL_ENC" IMPORT{db}="ID_FS_VERSION" LABEL="import_end" # Multipath maps should take precedence over their members. ENV{DM_UDEV_LOW_PRIORITY_FLAG}!="1", OPTIONS+="link_priority=50" # Set some additional symlinks that typically exist for mpath # path members, too, and should be overridden. # kpartx_id is very robust, it works for suspended maps and maps # with 0 dependencies. It sets DM_TYPE, DM_PART, DM_WWN TEST=="/lib/udev/kpartx_id", \ IMPORT{program}=="kpartx_id %M %m $env{DM_UUID}" ENV{DM_TYPE}=="?*", ENV{DM_SERIAL}=="?*", \ SYMLINK+="disk/by-id/$env{DM_TYPE}-$env{DM_SERIAL}" ENV{DM_WWN}=="?*", SYMLINK+="disk/by-id/wwn-$env{DM_WWN}" LABEL="mpath_end"