/lib/udev/rules.d/40-open-vm-tools.rules is in open-vm-tools 2:9.4.0-1280544-5ubuntu6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | # VMware SCSI devices Timeout adjustment
#
# Modify the timeout value for VMware SCSI devices so that
# in the event of a failover, we don't time out.
# See Bug 271286 for more information.
ACTION=="add", SUBSYSTEMS=="scsi", ATTRS{vendor}=="VMware " , ATTRS{model}=="Virtual disk ", RUN+="/bin/sh -c 'echo 180 >/sys$DEVPATH/device/timeout'"
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