> A number that I've been quoting, albeit without a good reference, comes > from Jim Gray, who has been around the data-management industry for > longer than I have (and I've been in this business since 1970); he's > currently at Microsoft. Jim says that the controller/drive subsystem > writes data to the wrong sector of the drive without notice about once > per drive per year. In a 400-drive array, that's once a day. ZFS will > detect this error when the file is read (one of the blocks' checksum > will not match). But it can only correct the error if it manages the > redundancy.
So now with ZFS, can anyone with a 400 drive array confirm that a "scrub" has to fix roughly one problem a day? (Or modify appropriately for whatever amount of drives.) -- / Peter Schuller PGP userID: 0xE9758B7D or 'Peter Schuller <[EMAIL PROTECTED]>' Key retrieval: Send an E-Mail to [EMAIL PROTECTED] E-Mail: [EMAIL PROTECTED] Web: http://www.scode.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
