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Good News and Bad News concerning the missing posts
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<blockquote data-quote="Michael Morris" data-source="post: 2820202" data-attributes="member: 87"><p>Ok, first the good news - the binary log files which mysql uses to track transactional changes on the database seem to be intact. Theoretically these logs can be played back to restore *everything*</p><p></p><p>But there's a catch (and here's the bad news) - binary logging restoration is something I've never tried until tonight and I wasn't able to get it to even start due to duplicate entry keys. I need to find the point to start at and this will take time -- a considerable amount of time considering the log files are several times larger than the db itself.</p><p></p><p>Presuming I can find the correct point to start I can run a restore then, using a process similar to the one used to merge the posts of the ISRP board I can pull posts out of this database and into the restored one.</p><p></p><p>If this works though it will take time - a considerable amount of time I might add -- according to one website it took a server considerably beefier than ours 9 hours to playback the logs. Also, to be safe during the playback I'll need to shut down any and all external db processes - that means no circvs maximvs, no store, nothing. If I do this ENWorld goes dead to the world except for a pointer page for at least two days.</p><p></p><p>The reason I'm posting this here instead of the staff forum is I've never done this before and I know there are at least a couple of database techies on this board. I could use some help, cause at this point this little PHP jockey is over his head.</p></blockquote><p></p>
[QUOTE="Michael Morris, post: 2820202, member: 87"] Ok, first the good news - the binary log files which mysql uses to track transactional changes on the database seem to be intact. Theoretically these logs can be played back to restore *everything* But there's a catch (and here's the bad news) - binary logging restoration is something I've never tried until tonight and I wasn't able to get it to even start due to duplicate entry keys. I need to find the point to start at and this will take time -- a considerable amount of time considering the log files are several times larger than the db itself. Presuming I can find the correct point to start I can run a restore then, using a process similar to the one used to merge the posts of the ISRP board I can pull posts out of this database and into the restored one. If this works though it will take time - a considerable amount of time I might add -- according to one website it took a server considerably beefier than ours 9 hours to playback the logs. Also, to be safe during the playback I'll need to shut down any and all external db processes - that means no circvs maximvs, no store, nothing. If I do this ENWorld goes dead to the world except for a pointer page for at least two days. The reason I'm posting this here instead of the staff forum is I've never done this before and I know there are at least a couple of database techies on this board. I could use some help, cause at this point this little PHP jockey is over his head. [/QUOTE]
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