[ale] AOE, it really works

[Jerald Sheets]

Yeah, there's a huge article about it in Linux Magazine this month...


Jerald M. Sheets jr.
Sr. UNIX Systems Administrator
McKesson, Inc.
404.293.8762


On Jun 11, 2005, at 12:44 PM, Randal Jarrett (K4RSJ) wrote:

> Hey, guess what!! Something that is not from /.
>
>
> Yesterday a friend brought over a AOE (ATA over Ethernet) eval  
> board that he bought from Coraid.
> http://www.coraid.com/
> We went to Fry's an he bought the 200GB Seagate drive that they  
> have on sale.
>
> After he connected everything up it only took me about 15-20  
> minutes to bring the drive on line.
> I'm running Suse 9.3 pro, with 2.6.11.4-21.7-default kernel.  It  
> already has the aoe module in the library.
> His home system is a Mandrake 10.1 with 2.6.8... kernel and it does  
> not have aoe.
>
> Formatting the drive appeared to take about the same amount of time  
> as if it was installed internally.
>
> Once formatted and mounted I ran a few tests to see what the  
> performance was like. My network in 10/100Mb fdx.
> I tried copying files of various sizes and directories with a mix  
> of files in them, noting the times.
> I then repeated the same to a local drive and then to a local drive  
> on a different controller.
>
> The copies to the aoe drive and to the internal drive on another  
> controller were within a few percent (~10) of each other.
> The copy to another drive on the same controller was about 20%  
> slower than the other two.
>
> I imagine that using their SATA board (available shortly) that  
> supports Gig-E connection will be much faster.
>
> If you get their shelf with multiple drive trays you can software  
> raid or LVM to configure the drives  however you would like.
>
> The eval units are expensive, $300 without drive, but for business  
> uses the shelf unit with multiple drives appears to be cost effective.
>
> There was an article in the June 2005 issue of Linux Journal that  
> does a very good job of describing how it works.
>
> Randy
>
>
>
>
> -- 
>
> Randal Jarrett  <rsj at radio.org>
> RSJ Consulting, Inc
> Lawrenceville, GA
> (770) 822-1096  home
> (770) 598-3251  cell
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