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On Wed, Sep 25, 2002 at 09:56:12AM -0400, Kent Borg wrote: > So here I am a big fan of software raid and then I discover I am > missing a BIG aspect: how to survive a dead disk. (A.k.a., I don't > understand how PCs boot.) > > Here is the scenario. A bootable software raid 1 Red Hat 7.3 install. > One disk is /dev/hda and one is /dev/hdc. Each is a copy of the > other. I am using lilo because the Red Hat installed knew how to do > that--or at least kinda. > > Now imagine the disk on /dev/hda dies. The disk on /dev/hdc should > keep running, or at least be bootable. To simulate this I powered > down and pulled the IDE cable on the /dev/hda disk. And it won't > boot. > > What is the right way to do this? Are you running lilo or grub? Likely you only had an MBR written to /dev/hda. You should be able to recover by booting from, say, a RH installation CD in rescue mode. Try the opposite - pull /dev/hdc instead of /dev/hda. -- Ron Peterson -o) 87 Taylor Street /\\ Granby, MA 01033 _\_v https://www.yellowbank.com/ ----
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