Hey there, And why not use HW raid and use monitoring tools for it? What raid card are you using that cannot be monitored? Eliezer On 05/10/2014 07:36 PM, CS_DBA wrote: > Hi All; > > I have a new server we're setting up that supports EFI or Legacy in the bios > > I am a solid database guy but my SA skills are limited to what I need to > get by > > 1) I used EFI because I wanted to create a raid 10 array with 6 4TB > drives and apparently I cannot setup gpt partitions via parted in legacy > mode (at least that's what I've read - is this true?) > > 2) I installed the OS on 2 500GB drives, I used to do all my installs > with software RAID (mirrored) without LVM as follows: > - create 2 raid partitions (one on each drive) for swap, /boot and / > - create a raid1 device for each set of partitions above > > The installer would not let me proceed without a /boot/efi partition I > tried to create a raid partition on each drive for this and create a > /boot/efi raid disk but when I doit this way in the installer I no > longer see the "EFI SYSTEM Partition" as an option for the filesystem > type so this did not work either. > > I ended up doing hardware raid for the OS drives and software raid for > the 6 4TB data drives. It works but I prefer to do software raid for > everything so we ca have standard methods of monitoring for bad drives. > > Is there a way to setup software raid with EFI? > > Do I need to add a /boot/efi partition only to one of the 2 OS drives? > If so how do I recover if we loose the drive with the /boot/efi partition? > > Is it required to use LVM to do this? > > Thanks in advance > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >