[svlug] Software Raid 1 vs straight ext3 partition

Holt Sorenson hso at nosneros.net
Tue Jan 9 17:19:01 PST 2007


On Tue, Jan 09, 2007 at 05:05:29PM -0800, Mark wrote:
 > Shifting the focus a little - assuming we would just go change the type from fd to 83, take the snapshot, get everything except for
 > the md metadata at the end. Would there be a way to recreate the metadata? Or would that involve having to resync the two raid
 > partitions. If so, the last time I did that it took over 1 full day - in the background of the running system, but still. The box
 > was pretty slow. So at that point I might be better of just using dd...

Of the options your considering, dd is most likely to keep the data
intact.

However, dd isn't optimal when you have drives of different sizes (I'm
sure you're already aware of this).

-Holt





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