Comment 9 for bug 1565969

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In , Peter (peter-redhat-bugs) wrote :

This rule may be problematic:

SUBSYSTEM=="block", KERNEL!="ram*", ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}=="1", ENV{SYSTEMD_READY}="0"

The "SYSTEMD_READY=0" will cause automatic unmount of mountpoint that is on top of such DM device. It's even more problematic if this is used with multipath which sets DM_UDEV_DISABLE_OTHER_RULES_FLAG in case we have a CHANGE event that comes after DM multipath device reload when one of the paths is down or up (see also bug #1310022).