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Re: [Xen-users] Xen clients and RAID
| To: | David Stockwell <dstockwell@xxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] Xen clients and RAID |
| From: | Javier Guerra <javier@xxxxxxxxxxx> |
| Date: | Fri, 27 Feb 2009 10:00:08 -0500 |
| Cc: | xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Fri, 27 Feb 2009 07:02:32 -0800 |
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| In-reply-to: | <8702DB7223D34B1A9C185F4186DC7EED@freqonedev> |
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On Fri, Feb 27, 2009 at 9:51 AM, David Stockwell <dstockwell@xxxxxxxxxxxxxxxxx> wrote: > either Linux software > RAID, or Fake RAID (which is the same thing). nope, they're not the same. FakeRAID is the name given to cards advertised as RAID cards, but in fact are only multiport controllers, and hidden in the drivers is a software RAID. the difference is that with FakeRAID you're stuck with a proprietary nonmaintained RAID. if you lose the card, you lose the RAID and all data; while Linux software RAID is usable no matter how you connect the drives. even if you lose your only 24-port SATA controller, you could get 6 mainboards, plug 4 drives on each, share each disk via GNBD, access all 24 from another host.... and you'll see your RAID and all data. -- Javier _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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