Re: mdadm regression tests fail
From: Randy Dunlap
Date: Wed Jan 05 2022 - 12:12:53 EST
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