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Re: GRUB2, GPT, mdadm & LVM

From: Chris Murphy
Subject: Re: GRUB2, GPT, mdadm & LVM
Date: Fri, 19 Jul 2013 08:31:28 -0600

On Jul 19, 2013, at 3:25 AM, Sander Smeenk <address@hidden> wrote:

> Quoting Andrey Borzenkov (address@hidden):
>> Yes. MD array will appear in the list as soon as at least one member
>> was seen, but we need enough members so it becomes ready and can be
>> scanned for LVM. May be extending ls so it can show diskfilter volume
>> states would be useful.
>> So the first think to check is how many physical disks are visible at
>> grub prompt.
> Only the first 8 disk (on the first controller?) show up in grub:
> grub rescue> ls
> (md/0) (hd0) (hd0,gpt2) (hd0,gpt1) (hd1) (hd1,gpt2) (hd1,gpt1) (hd2)
> (hd2,gpt2) (hd2,gpt1) (hd3) (hd3,gpt2) (hd3,gpt1) (hd4) (hd4,gpt2)
> (hd4,gpt1) (hd5) (hd5,gpt2) (hd5,gpt1) (hd6) (hd6,gpt2) (hd6,gpt1) (hd7)
> (hd7,gpt2) (hd7,gpt1)
> There should be another 8 disks. 

Wait. Another 8? I'm counting 8 disks are found. The grub-install --debug lists 
11. So it seems only 3 are missing.

Chris Murphy

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