Christopher wrote:
Hello...
While updating several servers from RHEL 5.3 to 5.4 I ran across a
buglet. On 5.3 lvm devices in /dev/mapper/ have owner root:disk and
perms 0660. On 5.4 the owner is root:root and perms 0600. This breaks
amanda using dump tape backups.
After googling udev, lvm, device-mapper, etc. there appears to be much
debate over ownership and permision bits on disk devices. Without
debating what is "correct", can someone show me a generic udev rule to
make lvm devices (/dev/mapper/...) root:disk and 0640? Bonus points
for /dev/root (*) too.
(*) https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=215333
This is SL/CentOS 5.3. I guess that this file has changed, maybe your
problem is just the first line?
[r...@bobtail ~]# find /etc/udev/ -type f -exec grep -Hiw disk {} \;
/etc/udev/rules.d/50-udev.rules:SUBSYSTEM=="block",
GROUP="disk", MODE="0640"
/etc/udev/rules.d/50-udev.rules:KERNEL=="root",
GROUP="disk", MODE="0640"
/etc/udev/rules.d/50-udev.rules:KERNEL=="ht*",
GROUP="disk", MODE="0660"
--
Cheers
John
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