Date: Thu, 30 Aug 2018 20:04:06 -0700 From: "M. Casper Lewis" <mclewis@genomecenter.ucdavis.edu> To: Grant Gray <grant@gray.id.au> Cc: freebsd-fs@freebsd.org Subject: Re: Failing ZFS log devices/panic Message-ID: <20180831030405.GZ1473@genomecenter.ucdavis.edu> In-Reply-To: <20180831025805.GY1473@genomecenter.ucdavis.edu> References: <20180831003436.GW1473@genomecenter.ucdavis.edu> <707525919.257415.1535675999891.JavaMail.zimbra@grantgray.id.au> <20180831011607.GX1473@genomecenter.ucdavis.edu> <1121631966.257797.1535679312447.JavaMail.zimbra@grantgray.id.au> <20180831025805.GY1473@genomecenter.ucdavis.edu>
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On Thu, Aug 30, 2018 at 07:58:05PM -0700, M. Casper Lewis wrote: > On Fri, Aug 31, 2018 at 11:35:12AM +1000, Grant Gray wrote: > > I've currently got an issue between some HGST SATA disks and a SAS3008 HBA > > where mixing SAS and SATA disks on the same port results in intermittent > > I/O errors on the HGST SATA disks, but not other SAS devices. > > This sounds like what we are seeing, but we're not mixing SAS and SATA. I forgot to add: Why are the log devices showing problems and not the cache devices? Same drives, same bus. Different access pattern, sure. -- M. Casper Lewis | mclewis@ucdavis.edu Systems Administrator | Voice: (530) 754-7978 Genome Center | University of California, Davis |
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