hi, if you worry about, which hdd is primary or secondary? use block id (blkid) in fstab configuration for avoiding boot order in multiple drives in attached in your laptop or desktop. regards, Murad On Tue, May 6, 2014 at 12:13 AM, John R Pierce <pierce at hogranch.com> wrote: > On 5/5/2014 11:08 AM, H wrote: > > Being a Centos newbie, I am not sure why Centos calls the first SSD sdb > > and the second one in the Ultrabay sda? It would seem to me that the > > first one, the one replacing the original harddisk, should be the main > > one and be called sda but clearly there is something I don't understand. > > In the BIOS the SSD replacing the harddisk has a higher boot order > > priority then the SSD replacing the DVD-drive. > > the kernel pays zero attention to the things you've mentioned. it > enumerates the IO controllers in an arbitrary order, and assigns the > devices in the order it finds them > > > > Suggestions? > > mount your volumes with labels rather than device names. > > > > -- > john r pierce 37N 122W > somewhere on the middle of the left coast > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -- Asif Murad Khan Cell: +880-1713-114230