Date: Tue, 04 Oct 2011 23:27:03 +0200 From: Miroslav Lachman <000.fbsd@quip.cz> To: lev@FreeBSD.org Cc: Alexander Motin <mav@FreeBSD.org>, current@freebsd.org, freebsd-geom@FreeBSD.org Subject: Re: RFC: Project geom-events Message-ID: <4E8B7A27.5070908@quip.cz> In-Reply-To: <1927112464.20111004220507@serebryakov.spb.ru> References: <1927112464.20111004220507@serebryakov.spb.ru>
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Lev Serebryakov wrote: [...] > One thing is missed from software RAIDs is spare drives and state > monitoring (yes, I know, that geom_raid supports spare drivers for > metadata formats which supports them, but it not universal solution). I am still missing one thing - dropped provider is not marked as failed RAID provider and is accessible for anything like normal disk device. So in some edge cases, the system can boot from failed RAID component instead of degraded RAID. This can cause data loss or demage. Is it possible to fix it by something like your geom-events, or should it be done in each GEOM RAID class separately? But after all, I realy appreciate your work in this area! I hope I will have time to test it soon. Thank you! Miroslav Lachman
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