On 05/03/2018 01:26 PM, Austin S. Hemmelgarn wrote: >> My intention was to highlight that the parity-checksum is not related to the >> reliability and safety of raid5/6. > It may not be related to the safety, but it is arguably indirectly related to > the reliability, dependent on your definition of reliability. Spending less > time verifying the parity means you're spending less time in an indeterminate > state of usability, which arguably does improve the reliability of the > system. However, that does still have nothing to do with the write hole.
If you start a scrub once per week, the fact that grub requires 1 hr, or 1 day doesn't impact the reliability, because in any case you have 1 week of un-scrubbed data. BR G.Baroncelli -- gpg @keyserver.linux.it: Goffredo Baroncelli <kreijackATinwind.it> Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
