Re: mdadm and whole disk array members

From	Gary Dale <gary@extremeground.com>
Newsgroups	linux.debian.user
Subject	Re: mdadm and whole disk array members
Date	2021-03-26 02:30 +0100
Message-ID	<BWJsu-2Zs-3@gated-at.bofh.it> (permalink)
References	(1 earlier) <BVBGH-nf-7@gated-at.bofh.it> <BVCt4-Sz-5@gated-at.bofh.it> <BVOud-8tM-1@gated-at.bofh.it> <BVODU-5D-7@gated-at.bofh.it> <BWJiN-2RC-5@gated-at.bofh.it>
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On 2021-03-25 21:14, Gary Dale wrote:
> On 2021-03-23 08:44, deloptes wrote:
>> deloptes wrote:
>>
>>> A friend told me that he found out it is a problem in some BIOSes with
>>> UEFI that can not handle a boot of md UEFI partition.
>>> Perhaps it also depends how they handle the raid of a whole disk.
>>> Are you trying to boot from that raid?
>> Forgot to ask what is in your /etc/mdadm/mdadm.conf and the IDs of 
>> the disks
>>
>> IMO the problem is that if it is not a partition the mdadm can not 
>> assemble
>> as it is looking for a partition, but not sure how grub or whatever 
>> handle
>> it when you boot off the drive.
>>
>>
> The drives use normal /dev/sd* ids. They are not being booted from. I 
> had updated /etc/mdadm/mdadm/conf with the new information for the 
> array after creating it.
>
> When I did exactly the same thing after creating a single FD00 
> partition on the drives, everything worked.
>
When I say "the same thing", I mean creating the array from the 
partitions instead of the whole drives.

Thread

mdadm and whole disk array members Gary Dale <gary@extremeground.com> - 2021-03-22 23:30 +0100
  Re: mdadm and whole disk array members Andy Smith <andy@strugglers.net> - 2021-03-23 00:00 +0100
    Re: mdadm and whole disk array members Gary Dale <gary@extremeground.com> - 2021-03-23 00:50 +0100
      Re: mdadm and whole disk array members deloptes <deloptes@gmail.com> - 2021-03-23 13:40 +0100
        Re: mdadm and whole disk array members deloptes <deloptes@gmail.com> - 2021-03-23 13:50 +0100
          Re: mdadm and whole disk array members Reco <recoverym4n@enotuniq.net> - 2021-03-23 16:50 +0100
            Re: mdadm and whole disk array members Gary Dale <gary@extremeground.com> - 2021-03-26 02:30 +0100
              Re: mdadm and whole disk array members Felix Miata <mrmazda@earthlink.net> - 2021-03-26 05:10 +0100
                Re: mdadm and whole disk array members Gary Dale <gary@extremeground.com> - 2021-03-26 19:10 +0100
              Re: mdadm and whole disk array members deloptes <deloptes@gmail.com> - 2021-03-26 08:00 +0100
                Re: mdadm and whole disk array members Gary Dale <gary@extremeground.com> - 2021-03-26 19:20 +0100
          Re: mdadm and whole disk array members Gary Dale <gary@extremeground.com> - 2021-03-26 02:20 +0100
            Re: mdadm and whole disk array members Gary Dale <gary@extremeground.com> - 2021-03-26 02:30 +0100
        Re: mdadm and whole disk array members Gary Dale <gary@extremeground.com> - 2021-03-26 02:20 +0100
  Re: mdadm and whole disk array members Andy Smith <andy@strugglers.net> - 2021-03-26 17:30 +0100
    Re: mdadm and whole disk array members Gary Dale <gary@extremeground.com> - 2021-03-26 19:40 +0100
      Re: mdadm and whole disk array members Andy Smith <andy@strugglers.net> - 2021-03-26 22:00 +0100

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