[CentOS] Re: Rebuilding Raid 1

Scott Silva ssilva at sgvwater.com
Mon May 1 19:39:41 UTC 2006


Mace Eliason spake the following on 5/1/2006 1:19 PM:
> Trying a different approch.
> 
> Senario
> 
> Raid 1 setup
> Bootable raid drive failed
> Mirror has been working for almost a month and then rebooted
> Now can't boot mirror drive grub not mirrored from other drive.
> 
> I Fixed bootable drive.
> Question?
> 
> Can I hook up both drives and boot fixed drive then rebuilt mirror from
> nonbootable drive to bootable drive?
> 
> Does the raid automatically rebuilt when I boot with both drives?
> Can I run a command to rebuilt from one drive to the other and visa versa
> 
> I want to try it but I am worried that if I hook them up and it boots
> that because the bootable drive has older info it might over write the
> other drive.
> Thanks
> 
> Can't seem to figure out how to get the other drive bootable.
You only want to fix the mirror from the "working" drive to the broken drive.
It does not matter if a drive is booting or not, you want to fix from good
drive to bad drive.

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