17.06.2010, 13:31, "H.E. Weenink | Eliveld Networks B.V." <h.e.weenink@xxxxxxxxxxxxxxxxxx>: > Hello Denis, short part below. Regards, Eef > > The following queries failed: > > ALTER TABLE IPv4Network ENGINE=InnoDB -- Error on rename of > './racktables_data/#sql-616_ebc0' to './racktables_data/IPv4Network' (errno: > 121) According to "perror", 121 is either a duplicate key error or remote I/O error. Hence this is seen even for such simple query, I would first check if mysqld tries to work with read-only or full filesystem. -- Denis Ovsienko