Re: Sanity check requested

From: Rod Taylor <rbt(at)rbt(dot)ca>
To: nickf(at)ontko(dot)com
Cc: Postgresql Performance <pgsql-performance(at)postgresql(dot)org>, angch(at)bytecraft(dot)com(dot)my, Vincent van Leeuwen <pgsql(dot)spam(at)vinz(dot)nl>
Subject: Re: Sanity check requested
Date: 2003-07-18 19:12:47
Message-ID: 1058555567.31093.22.camel@jester
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> ...About one year ago I considered moving to a journaling file system, but
> opted not to because it seems like that's what WAL does for us already. How
> does putting a journaling file system under it add more reliability?

WAL only works if the WAL files are actually written to disk and can be
read off it again. Ext2 has a number of deficiencies which can cause
problems with this basic operation (inode corruptions, etc). Journaling
does not directly help.

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