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Re: [Xen-users] xen and SAN.

To: John Madden <jmadden@xxxxxxxxxxx>
Subject: Re: [Xen-users] xen and SAN.
From: Florian Manschwetus <florianmanschwetus@xxxxxx>
Date: Mon, 21 Sep 2009 20:28:41 +0200
Cc: William <xen-mailinglist@xxxxxxxxxx>, xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>, Mauro <mrsanna1@xxxxxxxxx>
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Am 21.09.2009 20:16, schrieb John Madden:
>> In my case, I want to use 3 physical servers and 1 SAN to manage 10-15
>> virtual servers.
>> What is the best solution : ISCSI (1Gb/s) or Fibre Channel (4Gb/s)?
> That depends on your needs.  I'm personally skittish about passing disk
> blocks over ethernet and prefer FC, but it's expensive and if you
> believe [some of] the pundits, everything is going to ethernet
> eventually anyway.  I think it's still safe to say though that at this
> time, if you need really reliable disk at theoretically-higher
> performance and you can afford it, go with FC.
>> What kind of device are you using ?
> 4Gb/s FC to EMC DMX-3 and IBM DS-4700 through Brocade fabrics.
>> For the moment,  I'm interesting  about HP technologies with
>> bladesystem c3000 and msa2324.
> FWIW, our experience with HP's blades has been less than thrilling,
> wouldn't recommend them.  We have a few (5) of IBM's BladeCenters though
> and we've been extremely happy with them.  I think they're more
> expensive up-front (?) but well worth it.
> John
FC is dead, go for 10 GB/s iSCSI (based on 10 GB/s Ethernet) its also


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