[CentOS] how do export a block device via eSATA?

[Ross Walker]

On Feb 14, 2011, at 2:27 AM, Rudi Ahlers <Rudi at SoftDux.com> wrote:

> On Mon, Feb 14, 2011 at 4:44 AM, Ross Walker <rswwalker at gmail.com> wrote:
>> On Feb 13, 2011, at 4:59 PM, Rudi Ahlers <Rudi at SoftDux.com> wrote:
>> 
>>> On Sun, Feb 13, 2011 at 11:35 PM, John R Pierce <pierce at hogranch.com> wrote:
>>>> On 02/13/11 1:21 PM, Rudi Ahlers wrote:
>>>>> I'm trying to build a dense eSATA enclosure with say 16 or 24 drives :)
>>>> 
>>>> thats a stunningly bad way to go about it.
>>>> 
>>>> A) if you want JBOD, use a SAS/SATA enclosure with a SAS host card, as
>>>> SATA doesn't support multichannel multiplexing.
>>> 
>>> 
>>> mmm, I didn't think of this :)
>> 
>> Dell has the MD1120 which is a 24 bay 2.5" SAS/SATA enclosure. I think it goes for $3000 plus cost of disk drives.
>> 
>> If you want to go cheaper I believe Supermicro makes a 16 drive chassis that is meant for a server, but can be made into an external enclosure, or an iSCSI/NFS/CIFS storage server.
>> 
>> -Ross
>> 
> 
> 
> 
> Thanx Ross.
> 
> We got those 16 drive SuperMicro chassis, which is what I want to use,
> and they're already running FreeNAS which offers iSCSI & NFS.
> 
> I just had this idea of exploring eSATA since most machines already
> have an eSATA port. So if I don't get this working, it's not a big
> deal. But, I think it could be a cheap alternative to SAS / FC
> interconnect.

Then take the supermicro chassis without motherboard, get an eSATA to SATA connector, connect it to a port multiplier and then to the 16 drives and see if that works.

-Ross