Dear Dannon,
Thanks for your suggestion!
We did give it a try with the backup copy of 10 days back and that worked!
We keep the postgres log and the failed postgres backup (using pg_dump with
both custom and plain text format) for now and will look into what exactly
happened during those 10
The error ERROR: could not read block 326 in file base/257536/259291:
read only 0 of 8192 bytes line makes me wonder if your database may have
been corrupt prior to the upgrade/dump. Some brief googling suggests that
this could be hardware failure induced among other things. Can you check
the
