Re: Move md raid5 from intel to sparc?

[Paul Clements <Paul.Clements@SteelEye.com>]

Mike Tran wrote:
> 
> On Wed, 2003-06-11 at 14:31, 3tcdgwg3 wrote:
> > I am doing a sparc thingin. I have to build
> > the disk images on a x86 system, and move the
> > disk to my sparc, for debug/test.  Everhting works
> > fine, except the MD's SB.  I tweaked a bit on MD
> > driver, then everything is good.  I would think that
> > MD should take care the SB format in next release.
> >
> 
> This work should start from the MD kernel driver.  That is the MD driver
> has to write the SB in one known format and converts the SB to the
> native cpu after reading it from disk.  Next, the MD tools (mdadm,
> mdreconf, etc.) will need to follow.
> 
> Neil B, Do you have this work item in mind?

Neil's new version 1 superblock, which is present in the 2.5 kernel,
addresses the byte ordering issues that are a problem in the current
0.90 superblock of the 2.4 md driver.
The new superblock code stores all numeric values in little endian
on-disk and converts them to CPU endianness before use.

--
Paul