My point is that many of the tests fail. It's not that someone should use the
superblock v0.9. That's only an example. The test should be removed or marked
"Expected FAIL" or similar. Our users run the tests as a confidence check that the
build is successful. They are generally not trying to debug the package.
I can certainly say that the tests are broken and leave it at that. If it were only
a couple of tests that fail, we generally say something like testA and testG are
known to fail, but in this case fully half of the tests fail.
I would like to know what the maintainers think of the regression tests. Are they
maintained? Should they all pass? For our users there are far too many tests to run
them individually.
-- Bruce
On 1/5/22 11:44 AM, Wols Lists wrote:
Bear in mind raid superblock v0.9 is deprecated as in "if it breaks it won't be fixed
for you".
So I would skip this test, and if you're mentioning raid in the handbook, tell people
they need to use one of the v1.x formats.
(NB - you can always point them at the linux raid wiki.)
Cheers,
Wol
On 05/01/2022 17:12, Randy Dunlap wrote:
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.
