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I did the Soft RAID 1 installation with Centos 5.5 on my server with 2 SATA 1TB disks.

I followed this great guide here:

However, there is one bit difference, that my Grub is default installing to /dev/md0, not /dev/sda as mentioned in that guide. Just wondering if my Grub is installed in /dev/md0, do I still need to do the section 2 of the guide?

Thanks, tim

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up vote 1 down vote accepted

Yes, you need to install grub to the MBRs of /dev/sda and /dev/sdb, along with the grub files going to /dev/sda1 and /dev/sdb1, for grub to boot properly.

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Thanks Laebshade for your prompt answer! – starchx Jul 19 '11 at 3:23

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