Date: Wed, 14 Feb 2007 12:12:59 +0100 From: Ulf Lilleengen <lulf@stud.ntnu.no> To: freebsd-geom@freebsd.org Subject: Re: The right way to remove disk drive Message-ID: <20070214111259.GB60265@twoflower.idi.ntnu.no> In-Reply-To: <45D2E85B.9020507@quip.cz> References: <45D2E85B.9020507@quip.cz>
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On ons, feb 14, 2007 at 11:45:47am +0100, Miroslav Lachman wrote: > Hi all, > > what is the right way to remove disk drive from running system without > reboot? > > I have Sun Fire X2100 with 2 identical drives in gmirror. One drive is > failing, so I want to replace this drive by another. Drive is no more > 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. > > I had some worse problem with disk drive few month ago and if drive > disappeared completely from system (not visible by gmirror nor > atacontrol), I pulled out failed drive and system was running fine. Then > I replace the drive, system detected the new drive successfuly, then I > start gmirror synchronization... all in few minutes without reboot. > > So what is wrong with manual removing drive? > http://lists.freebsd.org/pipermail/freebsd-geom/2006-November/001701.html -- Ulf Lilleengen
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