On 8/11/07 4:53 PM, "Oleg Drokin" <[EMAIL PROTECTED]> wrote:
> Hello! > > On Fri, Aug 10, 2007 at 02:57:40PM -0600, Robert LeBlanc wrote: >> I can't seem to get MySQL to run with the database on Lustre. I get an error >> 38 'Function on implemented' and I also get a 'unable to lock file >> ./ibdata1' error. The file is created by mysql, but the service won't start >> up. >> I have not disabled locking on our Lustre file systems, so I'm not sure what >> the problem can be. > > It is disabled by default these days. You can mount with -o flock to > get full cluster-wide locking support or -o localflock to just have > local-node consistent locking. > I wonder what is the point of running mysql off cluster filesystem? Do you > plan to access same database files from several nodes by running local copy > of mysql on every on those of nodes? > > Bye, > Oleg > We need to have MySQL fail over and since we already have a low traffic LUN set-up with Lustre that is shared and fault-tolerant we want to put the database files on it instead of carving out another LUN for the low traffic database. We are only going to access the files from one node at a time. Any pitfalls I should know about if I enable locking on two nodes like large performance degradation? I take it that the localflock is a client option and the flock is an OST mount option? Thanks, Robert LeBlanc College of Life Sciences Computer Support Brigham Young University [EMAIL PROTECTED] (801)422-1882 _______________________________________________ Lustre-discuss mailing list [email protected] https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
