Hello, Alexander.
You wrote 5 октября 2011 г., 13:18:34:
> geom_raid addresses this problem in own way. As soon as RAID BIOSes
> expect RAIDs to be built on raw physical devices and probe order is not
> discussed, geom_raid exclusively opens underlying providers immediately
> after detecting supported metadata. So even if volume is broken or
But it could be not first, who taste component of mirror, am I
right? If geom_part will be first, will it "take away" component from
geom_raid? Or it could not?
If it works in any case (exclusive open spoils geom_part), it could
be used in all other classes without any metadata infrastructure, but
it seems, that geom_mirror, for example, could pickup metadtata from
last parition instead of raw device...
I'm not sure here.
But, in any case, maybe standard first 16 bytes of metadata in
pure-GEOM classes and filter in GEOM infrastructure itself ("not pass
provider for tasting to anything but class, written in first 16 bytes
of last sector") looks good idea, IMHO.
--
// Black Lion AKA Lev Serebryakov <l...@freebsd.org>
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