[PATCH] Create persistent names for tape devices and medium changers

[PATCH] Create persistent names for tape devices and medium changers

[Jamie Wellnitz]

This adds rules to redhat/50-udev.rules to call scsi_id for a
persistent names (symlinks) for tapes and medium changers (tape
robots).  The symlinks live under /dev/tapes/by-id.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
---
 etc/udev/redhat/50-udev.rules |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/etc/udev/redhat/50-udev.rules b/etc/udev/redhat/50-udev.rules
index d72cb83..ed6c661 100644
--- a/etc/udev/redhat/50-udev.rules
+++ b/etc/udev/redhat/50-udev.rules
@@ -109,6 +109,17 @@ KERNEL="nst*",			GROUP="disk", MODE="0660"
 KERNEL="osst*",		GROUP="disk", MODE="0660"
 KERNEL="nosst*",		GROUP="disk", MODE="0660"
 
+ACTION!="add", GOTO="persistent_tape_end"
+
+KERNEL="nst[0-9]*", BUS="scsi", ENV{ID_SERIAL}="", IMPORT{program}="/lib/udev/scsi_id -g -x -s %p -d $tempnode"
+KERNEL="nst[0-9]*", BUS="scsi", ENV{ID_SERIAL}="?*", SYMLINK+="tapes/by-id/$env{ID_BUS}-$env{ID_SERIAL}"
+
+# type 8 devices are "Medium Changers"
+KERNEL="sg*", BUS="scsi", SYSFS{type}="8", ENV{ID_SERIAL}="", IMPORT{program}="/lib/udev/scsi_id -g -x -s %p -d $tempnode"
+KERNEL="sg*", BUS="scsi", SYSFS{type}="8", ENV{ID_SERIAL}="?*", SYMLINK+="tapes/by-id/$env{ID_BUS}-$env{ID_SERIAL}"
+
+LABEL="persistent_tape_end"
+
 # diskonkey devices
 KERNEL="diskonkey*",		GROUP="disk", MODE="0640"
 
-- 
1.5.0.rc3.39.gec804

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