Albe Laurenz <laurenz.albe@xxxxxxxxxx> wrote: > Shuwn Yuan Tee wrote: > >> We recently experienced crash on out postgres production server. >> Here's our server environment: >> - in OpenVZ container >> ERROR: could not read block 356121 in file "base/33134/33598.2": Bad address >> >> LOG: server process (PID 21119) was terminated by signal 7: Bus error > Unless my math is off, a PostgreSQL disk file should not contain > more than 131072 blocks (1GB / 8KB), so something is whacky > there. Not at all; the block number is the logical block number within the relation; it determines both the segment to read from (in this case ".2") and the offset into that segment. That all looks fine. > I am no hardware guy, but I believe that a bus error would > indicate a hardware problem. Or a VM problem. Personally I have never seen this except in a VM, and the cause always turned out to be a VM bug. Be sure you are up-to-date on bug fixes for the software. -- Kevin Grittner EDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general