Re: RAID 5 array with journal device does not automatically assemble at boot

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Larkin Lowrey wrote:
> The "spares=1" is for the journal device. The "mdadm --examine --scan" command produced that for me as well but since it seemed odd I deleted that part. Since there isn't actually a spare it seems incorrect. I've never tried to boot with "spares=1" so I don't know if removing it will make any difference.
Yes, I tried that, seemed odd to me too, I also tried just:
ARRAY /dev/md/test UUID=d59de5cc:02f560ed:ebcb9400:491955d7

Rudy Zijlstra wrote:
> Did you update the initrd after creating the array?

Yes.

> Tobx wrote:

>> I tried this with Debian Stretch (4.9.0-4), Debian Stretch (4.13.0-0) and Ubuntu 17.10 (4.13.0-16).

> Tobx wrote:
>> I compiled mdadm from source and tried again with:
>> 
>> # mdadm --version
>> mdadm - v4.0 - 2017-01-09

Song Liu wrote:
> Your mdadm is a little old. Could you please try rebuild it from
> latest source code?

Do you have something newer?

It always works without the journal option (except I set something very wrong of course) and also with the option, but then it never assembles automatically after reboot.

I am testing everything in VMware mostly on a clean Debian installation. Might VMware be the problem? I have no other test system in place.

Cheers,
Tobi--
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