[mythtv-users] External Drives on Firewire

[Michael T. Dean]

Anu Mathew wrote:

>This question is based on an earlier thread about usb vs nfs:
>
><snip>
>Ok, Let me start out by saying that I don't have any direct experience
>with this, but from what I've read I think you'll be better off with
>NFS. The USB bus tends to be unstable on many systems when dealing with
>large files (which I have experienced) and is more CPU intensive. USB
>uses your CPU more than other transfer methods. A quick search on usb
>v.s. firewire will give you some good articles if your interested.
><snip>
>
>I've an external drive (300GB) with both usb and firewire interfaces,
>and on account that usb2.0 can go upto 480mbps (in theory at least)
>I've the disk connected via the usb interface. Now this said post made
>me re-think that, perhaps I should put my firewire link back in place,
>and yank the usb cable.
>
>>From the above, I infer that iowait goes up for heavy use on usb2.0,
>and I wanted to have an opinion whether iowait would be reasonable for
>the same size i/o activities on firewire.
>  
>
Not specifically an answer to your questions, but you may find this 
interesting:

http://www.g4tv.com/freshgear/features/39129/USB_20_Versus_FireWire.html

Mike