Am 28.01.2013 15:01, schrieb Manuel Arostegui: > 2013/1/28 walter harms <wha...@bfs.de> > >> hi list, >> >> i am using mysql 5.1.53. >> after a crash i have the follwing error in my log: >> >> 130128 10:45:25 InnoDB: Error: page 61 log sequence number 0 2871649158 >> InnoDB: is in the future! Current system log sequence number 0 2494349480. >> InnoDB: Your database may be corrupt or you may have copied the InnoDB >> InnoDB: tablespace but not the InnoDB log files. See >> InnoDB: http://dev.mysql.com/doc/refman/5.1/en/forcing-recovery.html >> InnoDB: for more information. >> >> according to the doc's at >> http://dev.mysql.com/doc/refman/5.1/en/forcing-innodb-recovery.html >> I need to restore the database from scratch (short version). What i do not >> understand is what >> exactly is broken ? Whole DBM ? One Instance ? (mysqlcheck says all >> tables are ok). >> >> Not all tables are INNODB. Is is possible to restore only immodb tables ? >> (Having fun with forgein keys) >> >> Or is there a better way to handle this ? >> >> >> > Hello, > > I reckon you really need to think of what caused your MySQL to crash. If > there's not a clear reason (HW problem) you might want to dig into that to > prevent this happening again. I am saying this because it is not the first > time I see someone fixing a corruption (re-building the database or fixing > corrupted tables) and then getting it corrupted again within some hours. > very simple: power outage Our Production server are on UPS but i was making tests on this one and to be fair power outages are very seldom
> The problem itself has a solution: increasing the log sequence counter. I > wouldn't do it if it's not totally necessary (ie: you don't have another > machine to copy the data from). If you can get the data copied again from > some other server, that is probably the safest solution here to make sure > your data isn't corrupted. If not, I would suggest to run pt-table-checksum > to make sure the data is okay. Once your DB is recovered from this crash. > pt-table-checksum means this tool ? [http://www.percona.com/doc/percona-toolkit/2.1/pt-table-checksum.html] I would need to run it once, from the description i had the impression it is intended for monitoring. Could you please explain ? re, wh > Cheers > Manuel. > -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql
