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Re: Raidframe again (label queries)
der Mouse writes:
> Is there any part of raidframe that will answer the question "given
> this disk device, is there a raidframe component label on it, and, if
> so, what does it say?".
rf_netbsdkintf.c:raidread_component_label() in the kernel will read
the componet label, but it doesn't attempt to validate anything.
This isn't a userland-visible function though...
> The manpages I've found don't indicate any
> such thing, but I certainly could have missed something.
There's no tool to retrieve that information from a 'random disk
partition' (that I'm aware of)...
> Or should I be asking on tech-userlevel, because it's a userlevel thing
> rather than a kernel thing? Seems to me it'd be better to have at
> least part of that in-kernel, so as to keep all the component label
> reading code together.
The component label structure is described in:
Reading it is currently a matter of reading in the single 512-byte
block from the correct location and parsing it...
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