| From: | Robert Bernier <robert(dot)bernier5(at)sympatico(dot)ca> |
|---|---|
| To: | "Marc G(dot) Fournier" <scrappy(at)postgresql(dot)org> |
| Cc: | Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>, Jussi Mikkola <jussi(dot)mikkola(at)bonware(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-advocacy(at)postgresql(dot)org |
| Subject: | knoppix was -> A cohesive sales message |
| Date: | 2004-01-09 21:45:27 |
| Message-ID: | 3FFF20F7.9080707@sympatico.ca |
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| Lists: | pgsql-advocacy |
Marc G. Fournier wrote:
>On Fri, 9 Jan 2004, Alvaro Herrera wrote
>
>>Does it actually run? I thought Postgres was not prepared to run on
>>read-only media. It needs a separate PGDATA area, doesn't it?
>>
>>
>
>In theory, you *should* be able to build memory file systems for those
>parts that require r/w ... ie. xlog stuff ... but even then, if you don't
>do any update/insert/deletes, and just use the database read only, not
>sure how "required" that is ... but, all you'd need to do is:
>
>mount_mfs a memory file system
>cp the xlog directory to the memory file system
>mount_union (or equivalent) back to the xlog directory
>
>
The distribution that will come with the No Starch Press book will
allow for full-blown read/write abilities and can be adopted to work
with a database cluster of 'any' size.
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