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Date:      Wed, 08 Dec 2010 10:29:57 +0100
From:      Miroslav Lachman <>
To:        Charles Sprickman <>
Subject:   Re: "sharing" hot spares?
Message-ID:  <>
In-Reply-To: <alpine.OSX.2.00.1012072110160.43483@hotlap.local>
References:  <alpine.OSX.2.00.1012072110160.43483@hotlap.local>

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Charles Sprickman wrote:
> All,
> This is probably an odd question... We're extensively using ZFS on a
> bunch of 1U boxes and packing all the drive bays full. This is all SATA,
> so I would like to have hot spares available, but without migrating
> everything to new enclosures, I'm not seeing an easy way to deal with this.


Did you test if ZFS on FreeBSD can handle hot spares? The list time i 
tried this, ZFS cann't use spares, because in the [Open]Solaris world, 
there is some background daemon controling the spares, but there is none 
in the FreeBSD. So ZFS on FreeBSD was not using spares even if it is 
local drive.

Miroslav Lachman

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