Re: Feature request: true RAID-1 mode

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

 



On Wed, Jun 20, 2012 at 12:27 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> Yet another boot loader support request.
>
> Right now btrfs' definition of "RAID-1" with more than two devices is a
> bit unorthodox: it stores on any two drives.  "True RAID-1" would
> instead store N copies on each of N devices, the same way an actual
> RAID-1 would operate with an arbitrary number of devices.
>
> This means that a bootloader can consider a single device in isolation:
> if the firmware gives access only to a single device, it can be booted.
>  Since /boot is usually a very small amount of data, this is a very
> reasonable tradeoff.

+1

In fact, the current RAID-1 should not have been called RAID-1 at all,
it is confusing.
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Filesystem Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux