On Fri, Oct 09, 2015 at 11:02:25AM -0400, Phil Susi wrote: > On 10/8/2015 5:49 PM, Brian C. Lane wrote: > > https://bugzilla.redhat.com/show_bug.cgi?id=1118065 has a pile of > > discussion on it. > > > > What it amounts to is that on msdos partitioned disks mdadm only wants > > 0xfd to be used for version 0.90 arrays which the kernel can > > autoassemble, for 1.x arrays some other type needs to be used. > > So use 0x80? That's what I always have done and it has never been a > problem. Likewise, 0xfd won't cause a problem either: it will trigger > kernel auto activation *if* you boot with no initramfs, *and* the > partition does contain 0.90 metadata. If it has 1.x, then it won't > trigger auto activation, but has no other negative consequence. > > I see from the discussion in that bug report that the mdadm man page > recommends this type code. Is there any reason for that recommendation? > Are there any consequences to not following it? Cc'ing mdadm list to > see if they can answer this. > I think their thinking is that 0x80 implies a filesystem. I really don't see any harm in adding it, if you don't want to use it, don't. -- Brian C. Lane | Anaconda Team | IRC: bcl #anaconda | Port Orchard, WA (PST8PDT) -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html