Re: to lvm or not to lvm?

Hi again,

What is purpose of update-initramfs step?

Andrew Sackville-West wrote:

> assuming you have two available identical partitions to use for the
> RAID setup, the way *I* would _attempt_ this is to...
>
> 1) make sure I have a grub disk available in case I blow it and can't
> boot...
>
> 2) create the RAID1 array using the two partitions.
>
> 3) migrate my /boot to that new array
>
> 4) fix up my /etc/fstab to point to it
>
> 5) fix-up my /boot/grub/menu.lst entries to point to the right devices
>
> 6) update-initramfs
>
> 7) reboot and pray.
>
> this procedure was tested by me several months ago, but I don't
> remember it exactly, so you are suitable warned...
>
> if you are already booting to a / on some combination of LVM and RAID,
> then that's really the hard part. Its pretty straightforward to get
> /boot onto its own RAID1. You can manually install grub onto each disk
> that holds the partitions in your /boot array so that if a disk fails,
> you can still boot...
>
> please study up on this before attempting as you don't want to blow
> it.
>
> A
>
> oh, an alternate procedure might be to go ahead and just make a fs on
> one of the partitions, migrate /boot and get that working, then make
> that partition into a degraded array (missing disks) and make sure it
> boots fromthere and then finally add the second (or more disks) to the
> degraded array and then it will mirror and be operational.
>
>

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