On Sat, Sep 7, 2013 at 12:48 AM, Rajagopal Swaminathan < raju.rajsand at gmail.com> wrote: > Greetings, > > I have a system x3100 m4 system with 64GB SSD for OS and 2x2tb for > data as MD device (software RAID). > > It had Fedora 17 with EFI/ > > I tried to install centos 6. deleting the existing partitions on the > SSD /dev/sdc. > > sda and sdb are the 2x2tb md device mounted on /home. > Did you previously use a md metadata version (in Fedora) that CentOS 6.x doesn't support? > > no joy. > So the system doesn't load CentOS at all? Or can't mount /home and has a fit? More details please in what you mean by "no joy". > > googling > Questions: > > 1. Where do I locate the boot loader? /dev/sdc? is MBR (the default > with Centos) enough > Does your system BIOS try to boot from /dev/sdc once it finds /dev/sda or /dev/sdb isn't bootable? You might just need to move cables so your SSD becomes /dev/sda. > 2. Is it necessary to have GPT label and EFI on /dev/sdc? > 3. Will it affect in anyway sda and sdb (I am not choosing to format them)? > > any pointers with information to wrap my head around > > FC17 was running fine after I fsck-ed the /dev/sdc4 which had vanished > when this box came in. > > To my knowlege, a root file system of size 64GB should be handled > peacefully by centos. > Yes, the drive size isn't an issue. > > GPT comes into picture only on > 2tb partitions for different mountpoints. > Yes, GPT is necessary when partitions are >2TB. > > or is it that any system mounting more than 2tb disk as non-root will > necessarily need a boot disk with a GPT label and EFI partition? > > Am I right or have I got it all wrong? > > Any reply and pointers appreciated. > > Thanks in advance, > > -- > Regards, > > Rajagopal > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -- ---~~.~~--- Mike // SilverTip257 //