>>>>> "m" == maccy <maccy@xxxxxxxxxxxxxx> writes: m> Just got a new 10TB file server with 2 3ware controllers giving me m> 2 x 5TB arrays. I've done many large arrays and have just recently been wrestling with a 12TB single-controller array. The bottom line is that unless you employ gross hacks, you will not be able to both partition and boot from an array larger than 2TB. The standard MS-DOS partition table maxes out at 2TB, so for larger devices you need to use the new style GPT (GUID Partition Table), but then you cannot boot from that device. (HP says they have a way to do so, and have conveniently patented it.) One option is to stick another drive in the machine and boot from that. Or put in two drives on the motherboard controller and set up a simple mirrored RAID so that you don't lose redundancy. You probably lose hot-swap, though, unless your machine has additional hot-swap bays you can use. Another option is to enable 2TB auto-carving in the 3ware BIOS and recreate your arrays. This will present the arrays as a number of 2TB drives to the OS; you can join them all via LVM and then create volumes out of that. The latter option is probably the simplest, but I haven't evaluated the performance aspect yet. There are some gross hacks which work to get grub installed on a >2TB volume as long as /boot is at the beginning of the drive (by supplying a fake geometry to GRUB) and a way to create an LVM partition that actually extends beyond the partitionable region of the disk, but it's not really something I'd recommend as you never know when something might decide to cut off the end of that volume and hose your data. I'm still experimenting with trying to get grub installed on the protective MBR of a GPT-partitioned disk, but this technically results in something that isn't GPT and will probably cause the partitioning tool to become rather upset. It probably also breaks recovery disks. Neither of those things are good for a machine with critical data. m> Have installed FC4 With just a few weeks until FC4 goes to Legacy, are you really sure you don't want to install FC5 or something like Centos? - J<
