Geert Geurts wrote:
Hello,
the permissions to the HomeVolume are not set correctly by Suse, so the
volume cannot be decrypted and cannot be mounted.
How can I create a udev rule that applies only to one LVM volume?
You could match by NAME, for example something similar to:
KERNEL=="dm*", ACTION=="add|change", SUBSYSTEM=="block", NAME=="<name
assigned earlier>", OWNER="<something>", GROUP="<something>",
MODE=<something>
But for that to work, you need some earlier udev rule setting actual
name - stock udev rules have no device-mapper rules. So it's up to your
distro's rules or your own. Alternatively, you could just match by uuid:
ACTION!="add|change", GOTO="dm_end"
KERNEL!="dm*", GOTO="dm_end"
PROGRAM="/sbin/dmsetup info -c --noheadings -o uuid -j%M -m%m",
ENV{DM_UUID}="%c"
ENV{DM_UUID}=="<uuid of needed lvm volume>", OWNER=<something>,
GROUP=<something>, MODE=<something>
LABEL="dm_end"
Then put it into some late-parsed udev rule. Note that uuid reported by
dmsetup, will look like LVM-<vg uuid><lv uuid> without any dashes.
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