On Jan 15, 2008 11:08 -0800, Rei Lee wrote: > We are in the process of building a file system and > we are wondering whether we should get disk drivers > of 10K RPM or 15 RPM for the MDT? How is > the MDS performance affected by the performance > of the underlying disk drivers used by MDT? > Will solid-state disks provide a much better MDS > performance?
The MDT is mostly IOPS and CPU bound, so faster disks will definitely make a difference, as will having a lot of RAM for filesystem metadata cache. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. _______________________________________________ Lustre-discuss mailing list [email protected] https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
