> > Do we think this is a Postgres problem, a Linux problem or a problem > > specific to my hardware setup? Was I wrong to think that I should be > > able to stream directly from pg_dump to /dev/st0? I would have > > thought it *should* work, but maybe I was wrong in the first place > > with that? > > If you can dd the file onto your tape drive, then it's some weird interaction between > pg_dump and your system I'd think. Could the be some maximum size that you can buffer > through pipes / redirects on your machine? > > I'd test to see if cat pgdumpfile.sql > /dev/st0 works or not. If it fails at the > same approximate size, then it's something to do with redirection. If > tar works but > redirects fail, then the problem isn't with postgresql. i.e. do something similar to > what you're doing with pgsql and see which things fail and which ones don't. It appears to be me :( [postgres@stirling ~]$ cat /tmp/dbname080225.sql > /dev/st0 cat: write error: Invalid argument It ran for a good 30 minutes, then died with that. THINK BEFORE YOU PRINT - Save paper if you don't really need to print this *******************Confidentiality and Privilege Notice******************* The material contained in this message is privileged and confidential to the addressee. If you are not the addressee indicated in this message or responsible for delivery of the message to such person, you may not copy or deliver this message to anyone, and you should destroy it and kindly notify the sender by reply email. Information in this message that does not relate to the official business of Weatherbeeta must be treated as neither given nor endorsed by Weatherbeeta. Weatherbeeta, its employees, contractors or associates shall not be liable for direct, indirect or consequential loss arising from transmission of this message or any attachments e-mail. ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org