[CentOS] SATA vs. SAS

[Feizhou]

Bowie Bailey wrote:
> Feizhou wrote:
>>>> Option 1) 2 servers each having 2.0TB raid disk with SAS
>>>> drives, 2GB ram and standard other features.
>>> If going down this road, why not look into getting one of
>>> those fancy new storage enclosures where the RAID is built
>>> into the enclosure and can allow 2 servers to simultaneously
>>> access the arrays with full battery backed write-back cache?
>>>
>> What is available for Linux in this department?
> 
> http://www.coraid.com/
> 
> These are relatively inexpensive network storage boxes using SATA drives
> and AoE (ATA over Ethernet) connection to the server.  Drivers build
> easily on CentOS.

Very interesting.

> 
> Just make sure you get drives that are on their compatible list.  This
> may not be as much of an issue now, but I had some problems with drives
> being marked bad and dropped out of the array when I first set up mine a
> couple of years ago.  This was caused by firmware incompatibilities and
> fixed by upgrading the drive firmware.  Once this was fixed, everything
> has worked flawlessly since.
> 

Thank you for the link and the heads up!