Date: Mon, 16 Mar 2009 14:41:10 +0800 From: kevin <kevinxlinuz@163.com> To: Michael David Crawford <mdc@prgmr.com> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: ZFS data error without reasons Message-ID: <49BDF486.4070403@163.com> In-Reply-To: <49BD36C1.6040107@prgmr.com> References: <49BD117B.2080706@163.com> <49BD36C1.6040107@prgmr.com>
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Michael David Crawford wrote: > kevin wrote: >> Will any changes cause zfs data error?I find my disk data error >> without any reasons(shutdown or reboot normally).disk was bought >> yesterday. > > If it's really a brand-new disk, I suggest running the manufacturer's > disk testing utility to see if the drive could actually be defective. > > Don't just depend on Open Source tools - the proprietary utilities can > often access proprietary, undocumented drive firmware features that > are put there specifically for diagnostic purposes, and so do a better > job of testing the drive than any Open Source tool could. > > The problem might just be some bad sectors on your media. If that's > the case, the diagnostic utility will remap the bad sectors. If the > utility does report bad sector remapping, do a full scan again, and > keep repeating until no more bad sectors are found. > > If you scan more than a couple times and bad sectors are still turning > up, your drive is probably beyond repair, and should be RMAed. > > All the drive manufacturers provide these utilities; go to the > manufacturer's website and look either in the Support link, or the > Drivers and Downloads link. > > Hope That Helps, > > Mike I checked the disk with Seatools and no error was detected.No one reported the disk firmware's problem.Now the kernel with latest patch from www.FreeBSD.org/~jhb/patches/zfs_ea.patch , the problem go away now,except the panic. My error history: #zpool status pool: tank state: ONLINE status: One or more devices has experienced an error resulting in data corruption. Applications may be affected. action: Restore the file in question if possible. Otherwise restore the entire pool from backup. see: http://www.sun.com/msg/ZFS-8000-8A scrub: scrub in progress for 0h4m, 29.21% done, 0h10m to go config: NAME STATE READ WRITE CKSUM tank ONLINE 0 0 8.98K ad4s3d ONLINE 0 0 18.6K 852K repaired errors: 9182 data errors, use '-v' for a list #zpool status pool: tank state: ONLINE status: One or more devices has experienced an error resulting in data corruption. Applications may be affected. action: Restore the file in question if possible. Otherwise restore the entire pool from backup. see: http://www.sun.com/msg/ZFS-8000-8A scrub: scrub in progress for 0h4m, 29.83% done, 0h10m to go config: NAME STATE READ WRITE CKSUM tank ONLINE 0 0 9.38K ad4s3d ONLINE 0 0 19.4K 852K repaired errors: 9598 data errors, use '-v' for a list Thanks, kevin
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