From a3f129d054395019d4b2385dede233eb12425c78 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Sun, 18 Sep 2005 04:41:09 +0200 Subject: [PATCH] add "Persistent Device Naming" rules file for disks Based on: "Linux Persistent Device Naming", 2004, Hannes Reinecke --- etc/udev/persistent.rules | 46 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 etc/udev/persistent.rules diff --git a/etc/udev/persistent.rules b/etc/udev/persistent.rules new file mode 100644 index 000000000..0ca0c5654 --- /dev/null +++ b/etc/udev/persistent.rules @@ -0,0 +1,46 @@ +# persistent disk links: /dev/disk/{by-id,by-uuid,by-label,by-path} +# scheme based on "Linux persistent device names", 2004, Hannes Reinecke + +ACTION!="add", GOTO="persistent_end" +SUBSYSTEM!="block", GOTO="persistent_end" + +# skip rules for inappropriate block devices +KERNEL=="ram*|loop*|fd*|nbd*", GOTO="persistent_end" + +# never access removable ide devices, the drivers are causing event loops on open() +SUBSYSTEM=="block", BUS=="ide", DRIVER!="ide-cdrom", SYSFS{removable}="1", GOTO="persistent_end" + +# by-id (hardware serial number) +KERNEL=="hd*[!0-9]", IMPORT{program}="/sbin/ata_id --export $tempnode" +KERNEL=="hd*[!0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}" +KERNEL=="hd*[0-9]", IMPORT{parent}=="ID_*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}-part%n" + +KERNEL=="sd*[!0-9]|sr*", SYSFS{ieee1394_id}=="*", ENV{ID_SERIAL}="$sysfs{ieee1394_id}", ENV{ID_BUS}="ieee1394" +KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}=="", IMPORT{program}="/sbin/usb_id -x" +KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}=="", IMPORT{program}="/sbin/scsi_id -g -x -s %p -d $tempnode" +KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}=="", IMPORT{program}="/sbin/scsi_id -g -x -a -s %p -d $tempnode" +KERNEL=="dasd*[!0-9]", IMPORT{program}="/sbin/dasd_id --export $tempnode" +KERNEL=="sd*[!0-9]|sr*|dasd*[!0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}" + +# for partitions import parent information +KERNEL=="sd*[0-9]|dasd*[0-9]", IMPORT{parent}=="ID_*" +KERNEL=="sd*[0-9]|dasd*[0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}-part%n" + +# by-path (shortest physical path) +KERNEL=="*[!0-9]|sr*", ENV{ID_TYPE}=="?*", IMPORT{program}="/sbin/path_id %p", SYMLINK+="disk/by-path/$env{ID_PATH}" +KERNEL=="sr*", GOTO="persistent_end" +KERNEL=="*[0-9]", IMPORT{parent}=="ID_*" +KERNEL=="*[0-9]", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-part%n" + +# by-label/by-uuid (filesystem properties) +KERNEL=="*[!0-9]", SYSFS{removable}=="1", GOTO="persistent_end" +IMPORT{program}="/sbin/vol_id --export $tempnode" +ENV{ID_FS_UUID}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID}" +ENV{ID_FS_LABEL_SAFE}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_SAFE}" + +# BIOS Enhanced Disk Device +KERNEL=="*[!0-9]", IMPORT{program}="/sbin/edd_id --export $tempnode" +ENV{ID_EDD}=="?*", SYMLINK+="disk/by-id/edd-$env{ID_EDD}" + +LABEL="persistent_end" + -- 2.30.2