On Friday 17 October 2008 15:49:54 Xin LI wrote: > JoaoBR wrote: > > Hi > > > > constantly I find data corruption on ZFS volums, ever from rrdtool, this > > corrupt data happens on SATA disks, never seem on SCSI > > > > scrub is not able to repair, when comes to touch this files machines > > reboots, deleting and restorin also is not possíble, seems I need to > > delete the files, umount, scrub and mount again to clear it > > > > # zpool status -v os > > pool: os > > 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: none requested > > config: > > > > NAME STATE READ WRITE CKSUM > > os ONLINE 0 0 0 > > ad4s1d ONLINE 0 0 0 > > > > errors: Permanent errors have been detected in the following files: > > > > /usr/local/www/data-dist/monitor/wip_diskio.rrd > > /usr/local/www/data-dist/monitor/200.152.90.12mon.rrd > > > > some idea? > > For ZFS: I think you need to remove these file. ZFS scrub does not > recover file if you don't have redundant, e.g. copies=2 or raid-z, etc. >
ok I see, I discovered this but should the machine crash when scrub reach the damaged file? > For the data corruption itself: I think this is highly critical issue > if you are sure that the hardware is good. What controller and disk are > you using? disks are most seagate or maxtor sata-2 250G new, max 6 month old the Sata controller are mostly Nvidia as MCP51, MCP61, CK804 thank's -- João A mensagem foi scaneada pelo sistema de e-mail e pode ser considerada segura. Service fornecido pelo Datacenter Matik https://datacenter.matik.com.br _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
