Richard NAGY <[EMAIL PROTECTED]> writes:
> Recently, we have found that our databases (all of them) and their
> tables are not visible and not accessible!!!!
> We are using the version 7.0.2 of postgresql on a Linux Red Hat 6.2.
> What is the binary file pg_log ? It's very huge !
Is it exactly 1Gbyte in size? If so, that would suggest you have
suffered transaction ID wraparound. As of 7.1 there is no decent
recovery mechanism ... you just have to re-initdb and restore from
backup (I hope you had a recent one). 7.2 contains work to allow
the system to run for more than 4 billion transactions without initdb,
but it's not in any production release yet.
regards, tom lane
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