"Subbiah, Stalin" <SSubbiah@xxxxxxxxxxx> writes: > We are in process of upgrading one of our postgres database from 7.2.1 > to 8.0.1. The dump was taken in copy format from 721 and imported the > same into 801, but for some reason it fails in the middle of import with > below error.=20 > ERROR: index "tkt_cust_pkey" is not a btree > CONTEXT: COPY tkt_cust, line 1: "264363 Monika ..." > ERROR: index "pg_toast_1308103_index" is not a btree > CONTEXT: COPY tkt_acty, line 14318: "265337 6 conversation_chat_host > Any ideas why this happens ? Either you have a hardware problem (flaky disk drive, perhaps) or a very seriously broken build of Postgres. regards, tom lane