add "Persistent Device Naming" rules file for disks

Based on:
  "Linux Persistent Device Naming", 2004, Hannes Reinecke <hare@suse.de>

1 files changed, 46 insertions, 0 deletions

diff --git a/etc/udev/persistent.rules b/etc/udev/persistent.rules
new file mode 100644
index 0000000000..0ca0c56545
--- /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 <hare@suse.de>
+
+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"
+