On Thu Feb 11, 2010 at 05:52:41PM -0800, Michael Evans wrote:
> On Thu, Feb 11, 2010 at 3:00 PM, Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote:
> > Hi,
> >
> > I may be converting a host to ext4 and was curious, is 0.90 still the only
> > superblock version for mdadm/raid-1 that you can boot from without having to
> > create an initrd/etc?
> >
> > Are there any benefits to using a superblock > 0.90 for a raid-1 boot volume
> > < 2TB?
> >
> > Justin.
>
> You need the superblock at the end of the partition: If you read the
> manual that is clearly either version 0.90 OR 1.0 (NOT 1.1 and also
> NOT 1.2; those use the same superblock layout but different
> locations).
>
You also need it to be auto-assembled by the kernel, which is only
version 0.90.
As for benefits, there's a number of benefits of 1.x over 0.90 - I don't
think any of them are terribly important for a small boot partition
though. There's also benefits to having an initrd anyway.
Cheers,
Robin
--
___
( ' } | Robin Hill <robin@xxxxxxxxxxxxxxx> |
/ / ) | Little Jim says .... |
// !! | "He fallen in de water !!" |
Attachment:
pgp8AGfnmaB0t.pgp
Description: PGP signature
