Date: Wed, 14 Dec 2011 10:52:13 +0100 From: "Patrick M. Hausen" <hausen@punkt.de> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: Hot-changing a failed HDD with ahci.ko Message-ID: <FB9E3C15-6B6B-4D0A-8411-F374FF351EA4@punkt.de> In-Reply-To: <20111214092624.GA96153@icarus.home.lan> References: <B0A139EC-F6A3-48DA-A347-21A5ED0507BF@punkt.de> <20111214092624.GA96153@icarus.home.lan>
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Hi! Am 14.12.2011 um 10:26 schrieb Jeremy Chadwick: >> What is the proper equivalent for ahci, ada0 and camcontrol? >=20 > None is needed: yank the disk, reinsert, wait a few seconds, done. > Validation, with full output, hardware, etc: >=20 > = http://koitsu.wordpress.com/2010/07/22/freebsd-and-zfs-hot-swapping-sata-d= isks-with-ahci/ Yank the disk: (ada0:ahcich0:0:0:0): lost device Reinsert - nothing happens. >> shutdown -r now >> -> system panics, eventually reboots >=20 > Before you yanked the disk, were any non-ZFS filesystems mounted? Yes - my fault. I had an active swap partition on the disk which = perfectly explains the panic. > You might try booting RELENG_9 (which has ahci.ko as the default, so = no > need to mess about) on a LiveCD or equivalent and attempt the same > thing. I'm left wondering if there's some stuff in RELENG_8 (not a = typo > compared to the above RELENG_9 reference) that you do not have in > RELENG_8_2. I'll try upgrading to RELENG_8 first and report the results. Side note: ada0: 150.000MB/s transfers (SATA 1.x, UDMA6, PIO 8192bytes) I noticed that while preparing the last mail and removed those little = jumpers limiting my hard drives ;-) Thanks, Patrick --=20 punkt.de GmbH * Kaiserallee 13a * 76133 Karlsruhe Tel. 0721 9109 0 * Fax 0721 9109 100 info@punkt.de http://www.punkt.de Gf: J=FCrgen Egeling AG Mannheim 108285
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