Messages in this thread | | | Date | Wed, 5 Jan 2022 17:44:34 +0000 | Subject | Re: mdadm regression tests fail | From | Wols Lists <> |
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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. >
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