I know that the issue with writing custom priority callouts is that they need to be running in RAM so that if the disk is lost, it can be called again. My question is, if I write a custom binary file, and statically compile it so it doesn't link against any libraries, does multipath automatically load it into RAM because it mentioned in the config file, or is their other code that has to be modified to load it. Thanks. --- Jim Lester | Linux Product Specialist Jim.Lester@xxxxxxxxxxxxxx (o) 952.294.2802 (c) 763.218.6012 Compellent Technologies | www.compellent.com -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel