On Aug 21, 2010, at 9:22 PM, devsk wrote: > If dedup is ON and the pool develops a corruption in a file, I can never fix > it because when I try to copy the correct file on top of the corrupt file, > the block hash will match with the existing blocks and only reference count > will be updated. The only way to fix it is to delete all > snapshots (to remove all references) and then delete the file and then copy > the valid file. This is a pretty high cost if it is so (empirical > evidence so far, I don't know internal details). > > Has anyone else experienced this?
zfs set dedup=on,verify dataset IMNSHO, verify should be the default. -- richard -- OpenStorage Summit, October 25-27, San Fransisco http://nexenta-summit2010.eventbrite.comZFS and performance consulting http://www.RichardElling.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss