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Re: Corrupted Data ?

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On Fri, Aug 12, 2016 at 3:09 PM, Ioana Danes <ioanadanes@xxxxxxxxx> wrote:
....
> drawid                  | 318220
...
> drawid                  | 318216

> Here are the facts I know:
>
> August 10 @ 11:10
>     - The record was created on db1 and replicated to db2 and db3
> August 11 @ 2:30
>     - db1, db2 and db3 are in sync (I have a script that compares the data
> for all 3 dbs every night @ 2:30 am)
> August 12 @ 2:30
>     - db3 is out of sync because of this field (drawid)
>     - drdb (which is PITRed from db3) is in sync with db1 and db2?????

given 318220 and 318216 are just a bit away ( 4db08/4db0c ), and it
repeats sporadically, have you ruled out ( by having page checksums or
other mechanism ) a potential disk read/write error ?

> Also the index is correct on db3 as the record in case (with drawid =
> 318216) is retrieved if I filter by drawid = 318220

Specially if this happens, you may have some slightly bad disks/ram/
leading to this kind of problems.

Francisco Olarte.


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