Date: Sun, 21 Jun 2015 16:01:55 -0500 (CDT) From: Bob Friesenhahn <bfriesen@simple.dallas.tx.us> To: Steve Wills <swills@freebsd.org> Cc: Willem Jan Withagen <wjw@digiware.nl>, fs@freebsd.org Subject: Re: This diskfailure should not panic a system, but just disconnect disk from ZFS Message-ID: <alpine.GSO.2.01.1506211558510.4186@freddy.simplesystems.org> In-Reply-To: <20150620221431.GB26416@mouf.net> References: <5585767B.4000206@digiware.nl> <20150620221431.GB26416@mouf.net>
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On Sat, 20 Jun 2015, Steve Wills wrote: >> rev=0x00 hdr=0x00 >> vendor = 'Areca Technology Corp.' >> device = 'ARC-1120 8-Port PCI-X to SATA RAID Controller' >> class = mass storage >> subclass = RAID > > You may be hitting the zfs deadman panic, which is triggered when the > controller hangs. This can in some cases be caused by disks that die in unusual > ways. Notice that the RAID controller is a PCI-X device (shared parallel, not dedicated serial like PCIe). The whole PCI backplane could have hung. Bob -- Bob Friesenhahn bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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