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

[Robert LeBlanc]

Do you want this with or without my patch?
----------------
Robert LeBlanc
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On Fri, Nov 18, 2016 at 11:15 AM, Andrei Borzenkov <address@hidden> wrote:
> 18.11.2016 21:06, Robert LeBlanc пишет:
>> On Fri, Nov 18, 2016 at 10:31 AM, Andrei Borzenkov <address@hidden> 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.
>
>