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Thread: Re: [GENERAL] Storing database in WORM devices

Re: [GENERAL] Storing database in WORM devices

From
Date:
Why? Any specific reason that you are aware of ?
Are there any writes done to the database when read only SQL statements are issued?


-----Original Message-----
From: Douglas McNaught [mailto:doug@mcnaught.org]
Sent: Wednesday, May 11, 2005 2:51 PM
To: Goshen, Galit
Cc: pgsql-general@postgresql.org; pgsql-admin@postgresql.org
Subject: Re: [GENERAL] Storing database in WORM devices


<GGoshen@axsone.com> writes:

> I would like to store the complete database into a WORM device (Write Once
> Read Many). I would like to access this database directly from the WORM
> device and perform read only SQL statements against this device.
>
> Does anyone have such installation, or can determine if this is possible?

AFAIK Postgres will not currently run on a read-only filesystem.

-Doug

Re: [GENERAL] Storing database in WORM devices

From
Alex Turner
Date:
I think simply initialising the system causes writes in the system
tables and the WAL...

I'm sure someone more knowledgeable can chime in.

Alex. Turner
netEconomist

On 5/11/05, GGoshen@axsone.com <GGoshen@axsone.com> wrote:
> Why? Any specific reason that you are aware of ?
> Are there any writes done to the database when read only SQL statements are issued?
>
>
> -----Original Message-----
> From: Douglas McNaught [mailto:doug@mcnaught.org]
> Sent: Wednesday, May 11, 2005 2:51 PM
> To: Goshen, Galit
> Cc: pgsql-general@postgresql.org; pgsql-admin@postgresql.org
> Subject: Re: [GENERAL] Storing database in WORM devices
>
> <GGoshen@axsone.com> writes:
>
> > I would like to store the complete database into a WORM device (Write Once
> > Read Many). I would like to access this database directly from the WORM
> > device and perform read only SQL statements against this device.
> >
> > Does anyone have such installation, or can determine if this is possible?
>
> AFAIK Postgres will not currently run on a read-only filesystem.
>
> -Doug
>
> ---------------------------(end of broadcast)---------------------------
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Re: [GENERAL] Storing database in WORM devices

From
Richard_D_Levine@raytheon.com
Date:
Isn't there some way to trick PostgreSQL with a RAM disk, like for the WAL?

Rick

pgsql-admin-owner@postgresql.org wrote on 05/11/2005 02:31:55 PM:

> Why? Any specific reason that you are aware of ?
> Are there any writes done to the database when read only SQL
> statements are issued?
>
>
> -----Original Message-----
> From: Douglas McNaught [mailto:doug@mcnaught.org]
> Sent: Wednesday, May 11, 2005 2:51 PM
> To: Goshen, Galit
> Cc: pgsql-general@postgresql.org; pgsql-admin@postgresql.org
> Subject: Re: [GENERAL] Storing database in WORM devices
>
>
> <GGoshen@axsone.com> writes:
>
> > I would like to store the complete database into a WORM device (Write
Once
> > Read Many). I would like to access this database directly from the WORM
> > device and perform read only SQL statements against this device.
> >
> > Does anyone have such installation, or can determine if this is
possible?
>
> AFAIK Postgres will not currently run on a read-only filesystem.
>
> -Doug
>
> ---------------------------(end of broadcast)---------------------------
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