Date: Tue, 11 Jan 2011 14:23:59 +0100 From: Miroslav Lachman <000.fbsd@quip.cz> To: Dan Langille <dan@langille.org> Cc: freebsd-stable <freebsd-stable@freebsd.org>, John Hawkes-Reed <hirez@libeljournal.com> Subject: Re: ZFS - hot spares : automatic or not? Message-ID: <4D2C59EF.7050107@quip.cz> In-Reply-To: <4D2BD0A7.9060003@langille.org> References: <4D228F41.7040403@langille.org> <4D23504D.8060103@libeljournal.com> <4D2BD0A7.9060003@langille.org>
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Dan Langille wrote: > On 1/4/2011 11:52 AM, John Hawkes-Reed wrote: [...] >> As far as our testing could discover, it's not automatic. >> >> I wrote some Ugly Perl that's called by devd when it spots a drive-fail >> event, which seemed to DTRT when simulating a failure by pulling a drive. > > Without such a script, what is the value in creating hot spares? IMHO hot spares are totally useless in the current state (in FreeBSD). I think there should be some strong warning somewhere (in man zpool?). Some users can be misleaded otherwise. Miroslav Lachman
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