iSCSI, twin-tailed disk, cheap-cheap fibre channel, ???

[William Park]

On Sat, Jan 21, 2006 at 10:57:40PM -0500, Fraser Campbell wrote:
> William Park wrote:
> 
> >>More useful?  They are essential, my shared disk (SAN or not) is useless 
> >>without them.
> >
> >
> >How is SAN different from just a file server?
> 
> Main difference is how a client system accesses the disks
> 
> * a file server serves filesystems over the network, typically using NFS
>   or SMB protocol
> * a SAN serves block devices, typically over fibre channel
> 
> A client system mounting SAN disks can partition up those disks and 
> format them however it sees fit, just like local disks effectively.

- Is that what Network Block Devices supposed to do?  
- Looking at kernel options, I also see 'ATA over Ethernet' option
  Not sure how you would use them, though.

> 
> The advantage of SANs are mostly from a data management perspective 
> (backup, failover, redundancy, etc.).

-- 
William Park <opengeometry-FFYn/CNdgSA at public.gmane.org>, Toronto, Canada
ThinFlash: Linux thin-client on USB key (flash) drive
	   http://home.eol.ca/~parkw/thinflash.html
BashDiff: Super Bash shell
	  http://freshmeat.net/projects/bashdiff/
--
The Toronto Linux Users Group.      Meetings: http://tlug.ss.org
TLUG requests: Linux topics, No HTML, wrap text below 80 columns
How to UNSUBSCRIBE: http://tlug.ss.org/subscribe.shtml