Date: Wed, 14 Feb 2007 23:54:13 +0100 From: Miroslav Lachman <000.fbsd@quip.cz> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: freebsd-geom@freebsd.org Subject: Re: The right way to remove disk drive Message-ID: <45D39315.80801@quip.cz> In-Reply-To: <1612.1171453602@critter.freebsd.dk> References: <1612.1171453602@critter.freebsd.dk>
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Poul-Henning Kamp wrote: > In message <20070214111259.GB60265@twoflower.idi.ntnu.no>, Ulf Lilleengen write > s: > >>On ons, feb 14, 2007 at 11:45:47am +0100, Miroslav Lachman wrote: > > >>>used by gmirror (gmirror status shows DEGRADED and running on one drive >>>only), atacontrol lists the drive attached to channel ata3, so I run >>>command `atacontrol detach ata3`. As stated in manpage "Devices on the >>>channel are removed from the kernel". Everything goes fine, system is >>>running.... but if I pull out the drive tray, system hangs and must be >>>power cycled. > > > Not all ata controller chips actually support hot-plug. OK, I understand it may not be supported, but why it works with totaly failed drive (where I expect system freeze) and hangs with manual remove? Insertion of a new drive works well in both cases. Miroslav Lachman
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