Well, the issue is that creating an array differs from machine to
machine, from controller card to controller card.
steps to reproduce:
1. install 3 or more identical drives into the machine
2. Go into controller setup menu. This usually involves pressing a key
combination when prompted by the
The way you could be more verbose is by detailing more precise steps on
how to reproduce it. I, for example, don't know how to configure
hardware fakeraid with RAID 5. Steps on doing that, with an expected
result, should be in the bug report.
Thanks.
** Description changed:
[Impact]
- Users
I'm not sure how I could be more verbose. It is as simple as install
Ubuntu on a computer that has a hardware fakeraid configured for raid5.
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https://bugs.launchpad.net/bugs/1683105
Sorry for the delay here.
Artful is EOL so that can't be fixed any longer.
Could you please be more verbose in the SRU bug description,
specifically the test case?
When that's done, resubscribe ~ubuntu-sponsors and I'll be happy to
review.
Thanks.
** Changed in: dmraid (Ubuntu Artful)
** Changed in: dmraid (Ubuntu Artful)
Importance: Undecided => Medium
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Title:
Installation of DMRaid should automatically add necessary
** Also affects: dmraid (Ubuntu Artful)
Importance: Undecided
Status: New
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Title:
Installation of DMRaid should automatically add
** Description changed:
- This is related to bug 1313169, I have had a sudden bout of clarity on
- the cause of the issue.
+ [Impact]
+ Users of rake raid using raid 5 can not boot their systems because the
required kernel module is not loaded by the initramfs. The hook script simply
needs to
Attaching debdiff for bionic
** Patch added: "artful.debdiff"
https://bugs.launchpad.net/ubuntu/+source/dmraid/+bug/1683105/+attachment/5018846/+files/artful.debdiff
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Oops, that was artful. This is bionic.
** Patch added: "bionic.debdiff"
https://bugs.launchpad.net/ubuntu/+source/dmraid/+bug/1683105/+attachment/5018847/+files/bionic.debdiff
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I took a look and yes, it appears to fix the issue.
Thanks for fixing it.
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Title:
Installation of DMRaid should automatically add necessary
I have uploaded a patched dmraid to my ppa, could you please test it and
verify that it works and then I will have someone upload it to the main
archive:
https://launchpad.net/~psusi/+archive/ubuntu/ppa
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Well, tbh, I am having similar issues on another machine running RAID-0
(striped), so I do think that dm-raid is required on that too. Maybe
it's RAID-1 (mirror) that doesn't need it but instead needs the dm-
mirror module?
In any case, I understand the risks. I'm trying this out as research
Yes, for raid5 you need the dm-raid module, but iirc, not for a raid0.
FYI, unless you are dual booting with Windows you should use
conventional linux md raid rather than fake/dmraid, as md is far better
supported and properly handles failures and reshapes, which fakeraid
does not.
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You
Well, I did more tests and I guess it's okay if we just add the dm-raid
module load to the dmraid hook. I just did some more testing and it
works out. I withdraw my two patches and upload a new patch that will
just add dm-raid force load to the dmraid hook.
** Patch added: "Adds dm-raid module to
Well, I'm running RAID5 on my media storage build and RAID0 on my gaming
build.
Noted however. But we have already observed that the behavior is caused
by the dm-raid module not getting added to the init ramdisk. Either way
it can be solved by adding the module to the hooks of either dmsetup or
Hrm... actually dm-mod is the core device mapper support itself and is
still needed. You just don't see the module anymore because Ubuntu
started building it into the kernel instead of as a module, but if you
are running a kernel where it is built as a module, it still needs
loaded. Are you
Well, if that's the case, then I propose patching both. After all, dm-
mod.ko has been renamed to dm-raid.ko and dmsetup's hook is improper for
calling it.
I'm attaching the patch for dmraid as well.
** Patch added: "Makes dmraid's hook load dm-raid.ko instead of nonexistent
module dm-mod.ko"
That's part of the dmsetup package; you want the one from the dmraid
package, but I suppose I can apply it to the right place.
** Changed in: dmraid (Ubuntu)
Status: New => Triaged
** Changed in: dmraid (Ubuntu)
Importance: Undecided => Medium
** Changed in: dmraid (Ubuntu)
Additional notes:
- I removed all the modules pertaining to raid from
/etc/initramfs-tools/modules before patching the dmsetup hook and rebuilding
the initramfs image. The system boots, so that means the additional modules are
added automatically when dm_raid was added.
- There are two
The attachment "Patch to fix issue (change dm_mod to dm_raid)" seems to
be a patch. If it isn't, please remove the "patch" flag from the
attachment, remove the "patch" tag, and if you are a member of the
~ubuntu-reviewers, unsubscribe the team.
[This is an automated message performed by a
PS: I am aware that dmsetup is a separate package, however I cannot find
it on launchpad. I'd be grateful if someone can please redirect this to
the correct package.
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I have confirmed the bug is indeed caused by the hooks calling a module
that no longer exists.
The hook involved was /usr/share/initramfs-tools/hooks/dmsetup, not
/usr/share/initramfs-tools/hooks/dmraid .
I have attached a patch made to quickly fix the problem. It's not really
needed since the
Phillip Susi I will give it a look tonight. I suspect you may be right-
I have never seen the dm-mod module even since when I started using
RAID, nor has it ever shown up when I do a 'lsmod' on my RAID-enabled
systems. I will investigate tonight, and if it is indeed the case, I
will try to submit
The modules file is for the user to manually add modules. Packages add
them via their hook script. The dmraid hook script currently adds dm-
mod and dm-mirror, but I believe the kernel has changed and now the
correct modules are dm-raid and dm-mirror. Can you try editing your
dmraid hook script
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