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[ILUG] Booting a broken raid array

[ILUG] Booting a broken raid array

Conor Wynne mariconor at gmail.com
Fri Jan 16 11:44:02 GMT 2009


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paul at clubi.ie wrote:
> On Thu, 15 Jan 2009, Kevin Philp wrote:
> 
>> My question is about booting after a disk failure, particularly the
>> primary disk. Where should I put the /boot partition, should it be
>> outside of the raid array? can it be part of the raid array or can it
>> even be part of the LVM groups?
> 
> /boot needs to be on an FS accessible to the bootloader.
> 
> RAID-1 arrays look like normal filesystems, as far as a bootloader is
> concerned anyway.
> 
> Not sure what the benefit is of having / on LVM personally. To resize /
> would require booting from a CD - you might as well just size /
> generously to begin with and put it on a normal partition (or RAID-1) so
> its easier to access in an emergency.

Nope, I've resized / on my machine many times, think about ten times
since the original install of RHEL5.0. Resize2fs supports online
filesystem growing these days. Add your free extents to / & then grow
it. Dead easy.

> 
> regards,

Conor.
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