On 3 Mar 2014, at 8:18am, Markus Schaber <m.scha...@codesys.com> wrote:
> Another way to bust your data is to rely on RAID 5 or 6 or similar, at least > if the software does not take special care. > > When those mechanisms, updating a block always results in at least 2 disk > writes: The data block and the checksum block. There's a small time window > where only one of those blocks physically reached the disk. Now, when the > power fails during said time window, and the third disk fails, it's content > will be restored using the new data block and the old checksum (or vice > versa), leaving your data garbled. What the heck ? Is this a particular implementation of RAID or a conceptual problem with how RAID is designed to work ? It sounds like a bug in one particular model rather than a general problem with how RAID works. Simon. _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
