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Ralph Ronnquist <email@example.com>:
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To: Devuan Bug Tracking System <email@example.com> From: Ralph Ronnquist <firstname.lastname@example.org> Subject: hdparm rules use DEVNAME only Date: Mon, 25 Jun 2018 21:56:31 +1000 Package: eudev Version: 3.2.2-13 Lodged on behalf of @kalle-delhaye: https://dev1galaxy.org/viewtopic.php?pid=10379#p10379 """" One week later - I've found the (or my?) fault. When I upgraded my server from Debian Jessie to Devuan Ascii i reused the working settings in hdparm.conf. But in Ascii, hdparm.conf is read by a script started by a eudev rule and is working with /dev/sd? definitions only. No /dev/disk/by-label, no /dev/disk/by-uuid or any other links in /dev/disk. That's because the little eudev script reading hdparm.conf is using only the $DEVNAME environment variable from eudev to parse the settings. And $DEVNAME is /dev/sda, for example. The sd? links in /dev can change for a specific disk, so I think its not a good idea to remove the by-label or by-uuid posibilities from hdparm.conf. As a workaround you can make your own eudev rule for partitions using the variable $ID_FS_LABEL or $ID_FS_UUID for example. I will try this when I find some time. """" Ralph.