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Date:      Tue, 15 Dec 2009 02:54:34 +0100
From:      Miroslav Lachman <000.fbsd@quip.cz>
To:        Zaphod Beeblebrox <zbeeble@gmail.com>
Cc:        freebsd-fs <freebsd-fs@freebsd.org>
Subject:   Re: ZFS sharing spares (does not work).
Message-ID:  <4B26EC5A.5000405@quip.cz>
In-Reply-To: <5f67a8c40912141711x6475032bg539c46753f8099da@mail.gmail.com>
References:  <5f67a8c40912141711x6475032bg539c46753f8099da@mail.gmail.com>

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Zaphod Beeblebrox wrote:
> According to http://docs.sun.com/app/docs/doc/819-5461/gcvcw?a=view ,
> different ZFS pools can share hot spare drives.  I've tried this with 7.2p4,
> and it doesn't work.  I've tried both adding the spares at create time and
> adding the spares after creating the pools.  This seems like a useful and
> (relatively) easy thing to fix?

AFAIK ZFS on FreeBSD dosen't support spares at all. Spare can be 
assigned, but is never used after fail of one member component.
(it is handled by some daemon on Solaris)

Miroslav Lachman



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