Re: Soft RAID and EFI systems

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 02/03/2014 10:56 AM, David Brown wrote:
> On 31/01/14 18:02, Francis Moreau wrote:
>> Hello,
>>
>> On EFI systems I'd like to RAID mirror /boot partition.
>>
>> For HW RAID there's no issue since access to the disk or any
>> partitions should be totally transparent to the bios.
>>
>> For Fake RAID, I'm not sure but I would say that the bios is able to
>> read the RAID metadata as well.
>>
>> For (md) Soft RAID, I don't know. I would say that the bios is
>> unlikely to understand the md metadata stored in the /boot partition
>> so it won't work.
>> Is that correct ?
>> If so does that mean I can't mirror /boot partition on EFI systems ?
>> Maybe creating a RAID device using the whole disk (not the partition
>> device) would work ?
>>
>> Thanks for your enlightments.
>>
> 
> I can't answer your question as such, but in case you don't know
> VirtualBox virtual machines can be configured with an EFI instead of a
> normal bios.  I don't know how complete the emulation of EFI is, but
> that might give you a quick and easy way to test out the different ideas.
> 

Yes but I'll give some testing on qemu first, it seems that it's
possible to find and use a EFI bios for qemu.

thanks.
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux