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Re: RAID support for Sun disktype [FIXEDPATCH]

From: Tom \"spot\" Callaway
Subject: Re: RAID support for Sun disktype [FIXEDPATCH]
Date: Sun, 21 Dec 2008 09:43:49 -0500

On Sun, 2008-12-21 at 09:33 +0100, Jim Meyering wrote:
> "Tom \"spot\" Callaway" <address@hidden> wrote:
> > Attached is a patch to enable RAID support for Sun disks. Aurora SPARC
> > Linux has been using this successfully for some time now.
> Thanks for the patch!
> Can you provide examples that we could massage into
> a test case or two that would exercise this new code
> and help prevent accidental regressions later on?
> I.e., can you give a quick recipe for creating an image that
> parted currently fails to recognize as sun-RAID-enabled,
> yet that _is_ recognized with your patch?  Also, since this
> copies from old-sun to new-sun formats, a stand-alone example
> showing how to exercise that code would be most welcome.
> Of course, we can figure out how to do all of this ourselves,
> but that takes more time...  With a clear/concise reproducer/demo
> I can usually manage to find time to write portable shell code
> that can serve as an addition to the test suite.

Hmm. Well, anaconda (Aurora's installer, taken from Fedora) won't even
attempt to do raid ops via parted without this patch present. It just
kicks back that there is a missing flag. With this patch applied, we're
able to create and use RAID1.

I'm not sure what sort of test case would apply here, as there really
isn't much "new" code. I'm not sure how Solaris handles software RAID,
so that might be an additional fly in the ointment.

Sorry, I know that's not much help.


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