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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
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If you are using PERC, it is simply not compatible with Linux, and should never be. It is a terrible piece of hardware. I would recommend using dmraid.