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[dm-devel] Adding/removing multi-pathed disk partitions



Should one be using the multi-path device-mapper mapped device
name or one of the SCSI target device names for the whole disk
device when modifying a SCSI disk's partition table with fdisk(8)?

If the former, drivers/block/ioctl.c:blkdev_reread_part()
currently returns EINVAL since the mapped device is not
partitionable.  I can't imagine the recommendation is the
latter, since there is no mechanism in place to synchronize
the kernel's partition table handling amongst multiple target
devices.


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