On Tue, 2009-04-28 at 21:20 -0500, Gregory P. Ennis wrote: > On Mon, 2009-04-27 at 18:06 -0700, John R Pierce wrote: > > Gregory P. Ennis wrote: > > > Everyone, > > > > > > I was recently given a Dell raid 386 server that had drives that had > > > gone bad. I replaced the drives with a couple terrabyte sata Seagate > > > drives, and set up the bios for a mirrored raid configuration. > > > > > > I was able to install Centos 5.2 without difficulty, but when it was > > > time to perform the 1st boot it went to grub instead of booting off of > > > one of the mirrored drives. > > > > > > I could not figure out how to boot through grub, so I changed the bios > > > to look at both drives unmirrored. At that point I was able to boot to > > > one of the drives, and the second drive was not mounted. > > > > > > The raid logic is within the bios and mother board of the Dell machine. > > > Can any of you point me to some literature about making this system work > > > as a mirrored raid system. > > > > > > > What model Dell server is this? Surely, this isn't a 386 (16 to 40mhz > > from circa 1989?!?) What Dell RAID controller model does it have? > > They are pretty much all called PERC something, but there are many > > generations. Is this a true raid (controller based, with a battery > > backed write cache), or a bogus soft (fake) raid setup? if its the > > latter, I'd set it up with linux native raid, and not use the BIOS raid > > at all > > > > > Everyone, > > Thanks for everyone's comments. > > To make things as clear as I can this is a DELL XPS Gen 2 Series a 32 > bit machine using an i386 Centos OS 5.2 that was automatically upgraded > to 5.3 by yum. > > The RAID controller appears to be on the mother board to me. The CPU is > an Intel Pentium 4 3.00GHz. BIOS version of A02. > > In the bios I can turn on RAID on but when the system boots I get a grub > prompt. The only way to get the system to boot is to turn off the RAID > configuration and boot to one drive. > > I have not seen anything regarding PERC. The SATA drives are connected > directly to the motherboard. > > I have still not been able to make it work as RAID. > > Thanks to everyone for your help. This is my first RAID controller. > > Greg > _______________________________________________ Sorry forgot to add that this was identified in the RAID setup as : Intel RAID for Serial ATA - RAID BIOS v3.5.0.2568