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Re: linux standard layout

From: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
To: Kenneth Marshall <ktm(at)rice(dot)edu>
Cc: Ben Kim <bkim(at)tamu(dot)edu>, pgsql-admin(at)postgresql(dot)org
Subject: Re: linux standard layout
Date: 2010-03-09 14:35:25
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-admin
On Tue, Mar 9, 2010 at 7:34 AM, Kenneth Marshall <ktm(at)rice(dot)edu> wrote:
> Hi Ben,
> If you must use a VMware server for your databases, please run
> some "pull-the-power-plug" tests on your system to ensure that
> your data integrity is maintained. Virtual machines can sometimes
> cache filesystem updates in the name of performance with disasterous
> consequences to your filesystems and databases.

s/can sometimes/quite often/

Also, if OP cannot get a VM that reliably passes the power plug pull
test then OP should submit in writing why he thinks VM is a bad idea
as an ass covering move for the future date when the database WILL
become corrupted and probably lose data.  You need to get the point
across that you can't be held responsible for the safety of the data
placed into a non-reliable system.

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