Christian,
> Should PostgreSQL maybe provide its own file-copy utility for Windows that > meets the requirements for safe WAL archiving? > > Microsoft does provide an enterprise-ready webscale copy program ... it is called robocopy and part of the Windows Server Resource Kit Tools. Would you mind trying that utility for copying WAL-files? http://www.microsoft.com/downloadS/en/details.aspx?familyid=9d467a69-57ff-4ae7-96ee-b18c4790cffd&displaylang=en (Microsoft URLs are like a leaf in the wind of change, so better google for robocopy site:microsoft.com) best wishes, Harald -- Harald Armin Massa www.2ndQuadrant.com PostgreSQL Training, Services and Support 2ndQuadrant Deutschland GmbH i.Gr. GF: Harald Armin Massa