86 lines
2.2 KiB
Bash
86 lines
2.2 KiB
Bash
#! /bin/sh
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# This script generates and sends to stdout a set of udev.rules for use
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# with all scsi block devices on your system. It creates a udev key NAME
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# with prefix defaulting to "disk-", and appends the current kernel name
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# and the udev kernel number (the partition number, empty for the entire
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# disk).
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#
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# Managing these is probably better done via a gui interface.
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#
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# You can edit and append the output to your /etc/udev/udev.rules file.
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# You probably want to to change names to be non-kernel defaults, so as to
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# avoid confusion if a configuration change modifies /sys/block/sd*
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# naming.
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#
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# /etc/scsi_id.config must be properly configured. If you are using this
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# script, you probably want a single line enabling scsi_id for all
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# devices as follows:
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#
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# options=-g
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#
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# The above assumes you will not attach block devices that do not
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# properly support the page codes used by scsi_id, this is especially true
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# of many USB mass storage devices (mainly flash card readers).
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#
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prefix=disk-
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scsi_id=/sbin/scsi_id
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dump_ids()
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{
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cd ${sysfs_dir}/block
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for b in sd*
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do
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echo -n "$b "
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$scsi_id -s /block/$b
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if [ $? != 0 ]
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then
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echo $0 failed for device $b >&2
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exit 1
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fi
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done
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}
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sysfs_dir=$(mount | awk '$5 == "sysfs" {print $3}')
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c=$(ls /${sysfs_dir}/block/sd* 2>/dev/null | wc -l)
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if [ $c = 0 ]
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then
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echo $0 no block devices present >&2
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exit 1
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fi
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echo "#"
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echo "# Start of autogenerated scsi_id rules. Edit the NAME portions of these"
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echo "# rules to your liking."
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echo "#"
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first_line=yes
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dump_ids | while read in
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do
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set $in
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name=$1
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shift
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id="$*"
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if [ $first_line = "yes" ]
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then
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first_line=no
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echo "BUS=\"scsi\", PROGRAM=\"${scsi_id}\", RESULT=\"${id}\", NAME=\"${prefix}${name}%n\""
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echo
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echo "# Further RESULT keys use the result of the last PROGRAM rule."
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echo "# Be careful not to add any rules containing PROGRAM key between here"
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echo "# and the end of this section"
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echo
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else
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# No PROGRAM, so just use the last result of PROGRAM. The
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# following is the same as the above without the PROGRAM
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# key.
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echo "BUS=\"scsi\", RESULT=\"${id}\", NAME=\"${prefix}${name}%n\""
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fi
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done
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echo "#"
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echo "# End of autogenerated scsi_id rules"
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echo "#"
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