Re: looking for advice on raid drives upgrade

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On Wed, 30 Mar 2011, Vincent Schut wrote:

- offline the raid, dd(rescue) each 1TB drive onto a new 2TB one, replace drives, put raid online again

This works if you have a superblock version that stores its superblock in the beginning, not the end (or if you use a partition). This is the safest.

or:
- manually replace one drive at a time, and let the raid recover and thus write the data onto the new drive?

If you have a bad block anywhere on the degraded drives, you're going to lose data.

--
Mikael Abrahamsson    email: swmike@xxxxxxxxx
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