On Sat, Jul 16, 2005 at 01:12:27AM -0700, Jeffrey W. Baker wrote:
Another frequent suggestion is to put the xlog on a separate device.  I
tried this, and, for a given number of disks, it appears to be
counter-productive.  A RAID5 of 5 disks holding both logs and data is
about 15% faster than a RAID5 of 3 disks with the data, and a mirror of
two disks holding the xlog.

Try simply a seperate partition on the same device with a different
filesystem (ext2).
Mike Stone

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