Date: Wed, 7 Sep 2011 13:29:08 +0930 From: Matt Thyer <matt.thyer@gmail.com> To: Tim Gustafson <tjg@soe.ucsc.edu> Cc: freebsd-current@freebsd.org Subject: Re: RELENG_8 / mpt / zpool Errors Message-ID: <CACM2%2B-7d8n77sr39hHkfRj%2BFCzXC9-4pD26oM-9jE0mN%2BYs0yQ@mail.gmail.com> In-Reply-To: <1922360058.114440.1315350266688.JavaMail.root@mail-01.cse.ucsc.edu> References: <2050180973.114414.1315349796607.JavaMail.root@mail-01.cse.ucsc.edu> <1922360058.114440.1315350266688.JavaMail.root@mail-01.cse.ucsc.edu>
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On Sep 7, 2011 8:53 AM, "Tim Gustafson" <tjg@soe.ucsc.edu> wrote: > > Hi all, > > I'm running RELENG_8: > > ---------- > root@bsd-03: uname -a > FreeBSD bsd-03 8.2-STABLE FreeBSD 8.2-STABLE #0: Mon Aug 22 14:58:58 PDT 2011 root@bsd-03:/usr/obj/usr/src/sys/GENERIC amd64 > ---------- > > We've got an MPT controller installed with 32 drives attached: > > ---------- > root@bsd-03: dmesg | grep mpt > mpt0: <LSILogic SAS/SATA Adapter> port 0xec00-0xecff mem 0xef3fc000-0xef3fffff,0xef3e0000-0xef3effff irq 32 at device 0.0 on pci3 > mpt0: [ITHREAD] > mpt0: MPI Version=1.5.19.0 > ses0 at mpt0 bus 0 scbus1 target 32 lun 0 > ses1 at mpt0 bus 0 scbus1 target 33 lun 0 > da5 at mpt0 bus 0 scbus1 target 0 lun 0 > .....SNIP..... > da36 at mpt0 bus 0 scbus1 target 31 lun 0 > ---------- > > We have a zpool on those drives configured into one large zfs file system: [snip] > We're seeing some occasional oddness. About every two weeks it seems the controller temporarily loses connectivity with the drives and the zpool goes a bit bonkers and reports a dozen or so corrupted files. A "zpool scrub" goes through and reports that everything's been fixed and everything seems OK again (although I have not 100% confirmed that there is no file corruption yet, but I'm giving ZFS's check-summing logic the benefit of the doubt here). [snip] > So, is this an OS/driver issue? Is it a bad controller? Bad cables? Bad disks? > > As always, any help is greatly appreciated. Thanks! > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > Tim Gustafson tjg@soe.ucsc.edu > Baskin School of Engineering 831-459-5354 > UC Santa Cruz Baskin Engineering 317B > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- What are the drives exactly? You may have issues like TLER or frequent head parking. Are these SATA, SCSI or SAS and are port multipliers in use?home | help
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