[CentOS] CentOS 6.2 software raid 10 with LVM - Need help with degraded drive and only one MBR
Les Mikesell
lesmikesell at gmail.comWed Mar 7 13:43:59 UTC 2012
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On Fri, Mar 2, 2012 at 8:27 AM, Jonathan Vomacka <juvix88 at gmail.com> wrote: > Essentially I guess the short question is, How do I make a non bootable > drive bootable if the original MBR is no longer available? If you haven't gotten this to work yet, it is probably as simple as booting the Centos install disk in rescue mode and installing grub on the disk that is now the boot disk after the primary has failed. That is, you likely do have a raid1 /boot but either no grub on it or a misconfigured copy - or the bios isn't automatically failing to it. But, you'll also need to replace the failed disk, partition it to match, resync the raids and re-install grub on the new disk. You might want to practice that on a non-critical machine or a VM before trying it where you might lose data. -- Les Mikesell lesmikesell at gmail.com
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