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Re: [K12OSN] Two SATA mirrors

roger wrote:
On Tue, Sep 8, 2009 at 12:43 PM, Henry Hartley<henryhartley westat com> wrote:
Since funds are a little tight I’m tempted to go with your second option –
Linux based software RAID. Am I right in assuming that as long as I have
enough SATA connecters I should have all the hardware I need for that? I
think I need to do a bit more research before I move forward. Do you know of
good (and relatively recent) resources explaining how software RAID is done?

I went a slightly different approach for my home box.  I went with 2
500G sata, use one for storage, then rsync it in the middle of the
night.  I was paranoid how easy it would be to take the disks out of
that box and throw them in something else if this system dies.  At
worst, I lose something that's not synced yet.   Of course, I could
cron the sync job to be every 5 minutes or so.

Software raid is just as easy to move as a single drive - in fact if you move a single drive both copies will still work. The rsync copy does have the advantage of possibly surviving some types of disasters that would crash the system before being copied, though.

  Les Mikesell
   lesmikesell gmail com

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