Hi. [adding linux-raid mailing list] On 1/4/22 10:55, Bruce Dubbs wrote: > I am trying to document the mdadm-4.2 installation procedures for our book, > https://www.linuxfromscratch.org/blfs/view/svn/postlfs/mdadm.html > > For testing, I am doing a simple: > > make > sudo ./test --keep-going --logdir=test-logs --save-logs > > But I get failures for about half the tests. > > Digging in a bit I just ran: > > sudo ./test --tests=00raid0 --logdir=test-logs > > This is the first test that fails. With some hacking, it appears that the first portion of this test that fails is: > > mdadm -CR $md0 -e0.90 -l0 -n4 $dev0 $dev1 $dev2 $dev3 > > This resolves to > > mdadm -CR /dev/md0 -e0.90 -l0 -n4 /dev/loop0 /dev/loop1 /dev/loop2 /dev/loop3 > > There is not a lot of error output in the test, so I manually ran: > > dd if=/dev/zero of=/tmp/mdtest0 count=20000 bs=1K > losetup /dev/loop0 /tmp/mdtest0 > > For /dev/loop[0123] > > Then I ran > > mdadm -CR /dev/md0 -e0.90 -l0 -n4 /dev/loop0 /dev/loop1 /dev/loop2 /dev/loop3 > mdadm: 0.90 metadata does not support layouts for RAID0 > > My question is whether the regression tests in the tarball are valid for mdadm-4.2? > > -- Bruce Dubbs > linuxfromscratch.org > > Note: The kernel is version 5.15.12. -- ~Randy