Archaic wrote:
ACTION=="add", BUS=="ide", ID=="1.1", SYMLINK+="cdrom1" However, this isn't device persistence. This is location persistence.
Not a bad thing by any means, but it must be agreed that location persistence is sufficient if we are to use this.
ACTION=="add", ENV{ID_MODEL}=="PHILIPS_CDD5301", SYMLINK+="cdrom1"
This one provides true device persistance. It doesn't matter where this device
hangs on the IDE chain. The symlink will always point to it.
I think it should be mentioned that both "bus location persistence" and "device persistence" are achievable, and explain the difference, i.e., let the reader make his educated choice.
Also, look at this: $ ls -l /dev/disk/by-id/ata-PHILIPS_CDD5301_5VO1306DM00190lrwxrwxrwx 1 root root 9 May 15 14:11 /dev/disk/by-id/ata-PHILIPS_CDD5301_5VO1306DM00190 -> ../../hdd
$ ls -l /dev/disk/by-path/pci-0000\:00\:07.1-ide-1:1lrwxrwxrwx 1 root root 9 May 15 14:11 /dev/disk/by-path/pci-0000:00:07.1-ide-1:1 -> ../../hdd
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