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RE: [Xen-users] RAID10 Array

  • To: "Adi Kriegisch" <kriegisch@xxxxxxxx>, <Xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Jonathan Tripathy" <jonnyt@xxxxxxxxxxx>
  • Date: Thu, 17 Jun 2010 11:57:00 +0100
  • Cc:
  • Delivery-date: Thu, 17 Jun 2010 04:01:04 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcsOC3xWPP7cwXaVS1ilECBdSgexYwAAFPJX
  • Thread-topic: [Xen-users] RAID10 Array


From: Adi Kriegisch [mailto:kriegisch@xxxxxxxx]
Sent: Thu 17/06/2010 11:54
To: Jonathan Tripathy
Cc: Adi Kriegisch; Xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] RAID10 Array


> Ok so I was reading http://www.howtoforge.com/ata_over_ethernet_debian_etch

> and they "export" a partition via

> vbladed 0 1 eth0 /dev/sdd5

> If i wanted to use link agregation, what interface would I put in? Also, would
> I need to set up my switch with 802.3ad/LACP "trunks".
Ok, if you insist on LACP, then you'd start it like this:
vbladed 0 1 bond0 /dev/sdd5

Without bonding you'd start several vblades with all the interfaces, like
vbladed 0 1 eth0 /dev/sdd5
vbladed 0 1 eth1 /dev/sdd5
vbladed 0 1 eth2 /dev/sdd5

But I'd suggest to use some other AoE initiator implementations like
qaoed[1] or ggaoed[2]. Coraid speaks of vblade as a reference
implementation that works but lacks features and performance.

I hope this helps!

-- Adi

[1] http://code.google.com/p/qaoed/
[2] http://code.google.com/p/ggaoed/


So seriously, if I just wanted to keep it simple, and you vbladed, all I would need to do on the storage server is

vbladed 0 1 eth0 /dev/sdd5
vbladed 0 1 eth1 /dev/sdd5
vbladed 0 1 eth2 /dev/sdd5

and that's it? Nothing on the switch? What about the other end (Client)?

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