Re: [PATCH] disk/mdraid1x: Fix >2TB RAID detection with BIOS

[Andrei Borzenkov <arvidjaar@gmail.com>]

18.11.2016 21:19, Robert LeBlanc пишет:
> Do you want this with or without my patch?

It does not matter, I want to see what grub thinks about physical disks
and their partitions.

> ----------------
> Robert LeBlanc
> PGP Fingerprint 79A2 9CA4 6CC4 45DD A904  C70E E654 3BB2 FA62 B9F1
> 
> 
> On Fri, Nov 18, 2016 at 11:15 AM, Andrei Borzenkov <arvidjaar@gmail.com> wrote:
>> 18.11.2016 21:06, Robert LeBlanc пишет:
>>> On Fri, Nov 18, 2016 at 10:31 AM, Andrei Borzenkov <arvidjaar@gmail.com> wrote:
>>>> 18.11.2016 19:49, Robert LeBlanc пишет:
>>>>> Based on debug info, GRUB is requesting to read the end of the drive
>>>>> to read the mdadm 1.0 superblock and gets the following message:
>>>>>
>>>>> kern/disk.c:421: Read out of range: sector 0x27fffffc8 (attempt to
>>>>> read or write outside of disk 'hd0').
>>>>>
>>>>
>>>> Is MD RAID on whole disk or partition? What partition label - MBR or
>>>> GPT? Could you post fdisk -l from Linux (if your fdisk does not support
>>>> GPT, use "gdisk -l /dev/sdX")?
>>>
>>> # gdisk -l /dev/sda
>>> GPT fdisk (gdisk) version 1.0.1
>>>
>>> Partition table scan:
>>>  MBR: protective
>>>  BSD: not present
>>>  APM: not present
>>>  GPT: present
>>>
>>> Found valid GPT with protective MBR; using GPT.
>>> Disk /dev/sda: 10737418240 sectors, 5.0 TiB
>>> Logical sector size: 512 bytes
>>> Disk identifier (GUID): 939F7AAD-AADD-481D-8896-DA0B4033C70C
>>> Partition table holds up to 128 entries
>>> First usable sector is 2048, last usable sector is 10737418206
>>> Partitions will be aligned on 2048-sector boundaries
>>> Total free space is 0 sectors (0 bytes)
>>>
>>> Number  Start (sector)    End (sector)  Size       Code  Name
>>>   1            2048            4095   1024.0 KiB  EF02
>>>   2            4096     10737418206   5.0 TiB     FD00
>>>
>>> partition # is a mdadm RAID 1 member partitioned as follows...
>>>
>>> # sgdisk -l /dev/md123
>>> # parted /dev/md123 print free
>>> Model: Linux Software RAID Array (md)
>>> Disk /dev/md123: 5497GB
>>> Sector size (logical/physical): 512B/512B
>>> Partition Table: gpt
>>> Disk Flags:
>>>
>>> Number  Start   End     Size    File system     Name  Flags
>>>        17.4kB  1049kB  1031kB  Free Space
>>> 1      1049kB  2097kB  1049kB                        bios_grub
>>> 2      2097kB  5371MB  5369MB  linux-swap(v1)
>>> 3      5371MB  6371MB  1000MB  ext2
>>> 4      6371MB  5497GB  5491GB  ext4
>>>        5497GB  5497GB  966kB   Free Space
>>>
>>> /dev/sdb is partitioned identically to /dev/sda
>>>
>>
>> OK, could you please also show "ls -l" in grub CLI; if you cannot
>> capture serial console, attach screenshot(s). You may want to "set
>> pager=1" so output does not scroll off screen.
>>
>>