Re: SAN vs Internal Disks

From: Michael Stone <mstone+postgres(at)mathom(dot)us>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: SAN vs Internal Disks
Date: 2007-09-11 21:09:00
Message-ID: 20070911210857.GQ1795@mathom.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

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

In response to

Responses

Browse pgsql-performance by date

  From Date Subject
Next Message Decibel! 2007-09-11 21:12:33 Re: DRBD and Postgres: how to improve the perfomance?
Previous Message Decibel! 2007-09-11 20:55:51 Re: SAN vs Internal Disks