| From: | Rod Taylor <rbt(at)zort(dot)ca> |
|---|---|
| To: | Tyler Mitchell <TMitchell(at)lignum(dot)com> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, nicolasb(at)maich(dot)gr |
| Subject: | Re: Running postgres on a read-only file system |
| Date: | 2002-08-30 21:43:29 |
| Message-ID: | 1030743810.8617.2.camel@jester |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
> One more idea, is it possible to "fake" a read-write file system. I.e.
> supply the files that postgresql will be looking for? (I know it's a
> stretch, but hey, this IS the "hackers" list) :)
One of the tricks I use for diskless systems is to mount a ramdrive in a
union mount with a read only nfs mount. This allows filewrites (to the
ram drive) but old originals are retrieved from the ramdrive.
This is done on FreeBSD, but is effective enough for getting a fully
functioning system (yes, Postgresql included). Takes quite a bit of ram
though.
Perhaps there is a toolkit for windows that can do similar union mounts?
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