Re: Partitioning criteria revision proposal (and btrfs)

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Adding in btrfs to the convo as it relates to partitioning, raid, lvm and this bug:
https://bugzilla.redhat.com/show_bug.cgi?id=866101

 If anaconda UI offers a redundancy (mirror/raid1) option, then two things should be true as it relates to the criteria:
	a.) the feature should work (i.e. cause mkfs.btrfs to create the volume with the correct command)
	b.) then btrfs-progs should create and use such a volume

raid is so tightly integrated in btrfs that raid0 is the default for data, and raid1 is the default for metadata, for multiple disk btrfs volumes. So I don't see a problem with the release criteria covering btrfs raid. It's way simpler than md raid.

That said, since newui and btrfs are new, I don't have a problem with a reduced expectation for btrfs raid for Fedora 18 beta. For Fedora 18 final, and Fedora 19 alpha/beta/final, I think the feature should have parity with md so long as that raid level is offered in the UI. If some unforeseen weirdness pops up, I think the feature should be removed from the UI.

Ergo, if offered, it should work. If it doesn't work, don't offer it.

Chris Murphy
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