Re: SAN vs Internal Disks

[Michael Stone <mstone+postgres(at)mathom(dot)us>]

On Tue, Sep 11, 2007 at 03:55:51PM -0500, Decibel! wrote:
> Also, to reply to someone else's email... there is one big reason to use
> a SAN over direct storage: you can do HA that results in 0 data loss.
> Good SANs are engineered to be highly redundant, with multiple
> controllers, PSUs, etc, so that the odds of losing the SAN itself are
> very, very low. The same isn't true with DAS.

You can get DAS arrays with multiple controllers, PSUs, etc.  DAS != 
single disk.

Mike Stone