It looks like the catalog version has changed between 9.5alpha1 and 9.5alpha2:
FATAL: database files are incompatible with server DETAIL: The database cluster was initialized with CATALOG_VERSION_NO 201506282, but the server was compiled with CATALOG_VERSION_NO 201507281. HINT: It looks like you need to initdb. Normally, one would use pg_upgradecluster to do the upgrade, but pg_upgradecluster assumes that the old and new version are installed in parallel. Likewise, the low-level tool pg_upgrade needs the old bindir, if I read the man-page correctly, and of course, apt-get upgrade overwrites that, since it's just two versions of the same package (unlike a major upgrade which is a new package). So, what's the best way to do the upgrade? * Copy the bindir before the upgrade (or restore from backup) to a safe place and do pg_upgrade? * Initdb a new cluster and restore yesterdays backup? * Something else? hp -- _ | Peter J. Holzer | I want to forget all about both belts and |_|_) | | suspenders; instead, I want to buy pants | | | h...@hjp.at | that actually fit. __/ | http://www.hjp.at/ | -- http://noncombatant.org/
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