Software raid VS hardware raid
Artem Kuchin
matrix at itlegion.ru
Tue Jan 29 16:44:12 UTC 2013
29.01.2013 18:57, Warren Block:
> On Tue, 29 Jan 2013, Artem Kuchin wrote:
>
> The Handbook chapter on gmirror talks about the problems with GPT and
> GEOM metadata. In short: right now, they conflict. It's possible to
> mirror GPT partitions, but be aware that if you mirror more than one
> partition on a drive, a rebuild after replacing a drive could thrash
> the heads as mirrors are rebuilt simultaneously.
>
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/geom-mirror.html
>
>
>
So,
gmirror+GPT=conflict on last sector
GPT+gmirror = hardrive head kill
nice...
So, for no more than 2TB disks the best way to go is GMIRROR of the
drive +PARTITION on top of it?
Or maybe there is a way to instruct gmirror do rebuild only what i say
(manual rebuild) ?
Artem
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