On Mon, 4 Jun 2007, Joshua D. Drake wrote:

Ben wrote:
I'm trying to move my WAL to another drive, but am having difficulties with this seemingly simple process. Every time I start up with pg_xlog symlinked to my other drive, I get this:

FATAL:  could not open file "pg_xlog/00000001.history": Permission denied

If I move pg_xlog back into its normal place then things work fine. The postgres user can certainly create files when using the symlink, so I really don't think it's a permission issue... but I'm at a loss as to what else it might be.

Is the parent directory of the place you are moving pg_xlog to a place that the postgres user can enter?

Sorry, yes, I neglected to mention that the postgres user can enter every directory along the path to the new pg_xlog directory. In addition, pg_xlog remains owned by postgres.postgres, as does its parent directory, and the new pg_xlog directory has permissions of 0700.

So I really can't see why it would be a permission issue.

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