[blivet:master 00/16] RAID handling

Anne Mulhern amulhern at redhat.com
Tue May 6 18:16:54 UTC 2014





----- Original Message -----
> From: "David Lehman" <dlehman at redhat.com>
> To: anaconda-patches at lists.fedorahosted.org
> Sent: Tuesday, May 6, 2014 1:05:03 PM
> Subject: Re: [blivet:master 00/16] RAID handling
> 
> 
> 
> On 05/06/2014 11:42 AM, mulhern wrote:
> > I'm planning on a follow-up patch set that will move
> > get_supported_raid_levels
> > into blivet as previously suggested and other things as well.
> >
> > This patch set requires a corresponding anaconda patch set, coming soon.
> >
> > LinearRAID class has few methods, because right now all it needs to do
> > is supply a value for min_members. It can be extended as appropriate.
> 
> The main thing I envisioned for LinearRAID was to make it so that all
> devices that can have a raid level always do. That makes it possible for
> each device type to use the same calls to convert between disk space and
> usable space regardless of whether raid is used (since it is optional
> for lvm and btrfs). It also means that LVMLogicalVolumeDevice code to
> convert between disk space and usable space will look the same as
> MDRaidArrayDevice code that does the same thing.
> 
> David
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> 

I believe that my patches are correct in light of my understanding
of what is required except _possibly_ in some cases where I should have
interpreted a value of None as a request for LinearRAID. So the patch set
is still definitely worth reviewing as is and I do not want to
proceed too much farther without feedback on these patches.

- mulhern


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