jao@xxxxxxxxxxxx writes:
> 2005-04-16 00:00:53 ERROR: could not read block 52 of
> relation "idx_ef_hash": Input/output error
> Googling didn't turn up useful information on this problem. Can anyone
> tell me whether this error indicates a disk problem, OS problem, known
> postgres bug, or something else? We've only seen this occur once.
Hardware problem ... probably the disk, but could be disk interface.
regards, tom lane
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
