Anaconda chooses wrong partition when using 4k block size

Solution In Progress - Updated -

Issue

  • After installing to a large multipathed device using 4K block sizes, the system will fail to find its root volume and drop to a dracut shell. The dmesg output will contain an error similar to the following:
[23571.754070] device-mapper: table: 253:6: dm-3 too small for target: start=31459328, len=7676551168, dev_size=3518033920

Environment

  • Red Hat Enterprise Linux(RHEL) 7.2

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