Re: Reading the same block via partition and non-partitioned device gives different content

On Tue, Jan 05 2016, Andrei Borzenkov wrote: > [Please Cc me on reply; thank you] > > QEMU KVM virtual machine with openSUSE Tumbleweed (kernel > 4.3.3-3-default); MD RAID1 with 1.2 metadata on /dev/vdb1 and /dev/vdc1. > > If I do > > mdadm /dev/mdX --fail /dev/vdb1 > mdadm /dev/mdX --add /dev/vdd

Reading the same block via partition and non-partitioned device gives different content

[Please Cc me on reply; thank you] QEMU KVM virtual machine with openSUSE Tumbleweed (kernel 4.3.3-3-default); MD RAID1 with 1.2 metadata on /dev/vdb1 and /dev/vdc1. If I do mdadm /dev/mdX --fail /dev/vdb1 mdadm /dev/mdX --add /dev/vdd1 and wait for synchronization to finish and then look direc