Hi all, I noticed that vacuum didnot run correctly, I got following message: VACUUM NOTICE: BlowawayRelationBuffers(invoices, 26): block 27 is referenced (private 0, last 0, global 1) FATAL 1: VACUUM (vc_rpfheap): BlowawayRelationBuffers returned -2 Next time I start vacuum, I see this: ERROR: can't create lock file -- another vacuum cleaner running? Should I get worried and keep my backup close at hand? Rob den Boer-HRS