Re: postgresql random io test with 2 SSD Kingston V+100 500GB in (software) Raid1

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> -----Original Message-----
> From: pgsql-performance-owner@xxxxxxxxxxxxxx [mailto:pgsql-performance-
> owner@xxxxxxxxxxxxxx] On Behalf Of Laurent Laborde
> Sent: Tuesday, April 19, 2011 8:37 AM
> To: pgsql-performance@xxxxxxxxxxxxxx
> Subject: Re:  postgresql random io test with 2 SSD Kingston
> V+100 500GB in (software) Raid1
> 
> If we use them (unlikely), recovery in case of power outage isn't a
> problem, as we will use it on slave database (using Slony-I) that can
> be created/destroyed at will.
> And, anyway, our slave have fsync=off so the battery won't change
> anything in case of power outage :)

Are these on the same UPS?  If so, you have a failure case that could cause you to lose everything.

Brad.


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