Date: Wed, 11 Jan 2012 15:47:22 +0100 From: Gergely CZUCZY <phoemix@harmless.hu> To: freebsd-fs@freebsd.org Subject: Unplugging disk under ZFS yield panic Message-ID: <20120111154722.000036e4@unknown>
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Dear List, I'd like to ask, whether it is normal behaviour when we're unplugging a disk under a ZFS system then on the first write a kernel panic happened. The hardware is a supermicro X8DTH-i/6/iF/6F board with 2x LSI 2008 fusion MPT SAS-2 controllers, over the mps(4) driver. The disks are accessed over gmultipath, and the multipath'd devices are added to a ZFS mirror: DB mirror-0 multipath/DB01 multipath/DB02 mirror-1 multipath/DB03 multipath/DB04 logs mirror/host1p5 cache multipath/SSD03p1 spares multipath/DB05 System is 9.0-RELEASE I've unplugged DB03 and on the first write we got a kernel panic. Should this be normal behaviour or we're missing something here? On a device removal we're expecting it to moving to the spare disk, or using the available redundant disks. Best regards, Gergely
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