Re: Database Down: Chunk Failed Sanity Check, Bad Pfget
Posted in 1998
In article <6k438m$kpj$1@nnrp1.dejanews.com>, ishay_friedman@pch.gc.ca
writes
>Hello,
>
>
>We are running SAP using Informix on Unix. The database was fine. Then, a
>level '0' archive failed. The database stopped.
>
>The first message in the online log indicating failure is:
>
>I/O error, Primary Chunk 'informix/M01/sapdata/physdev3/data1 offline (sanity)
>chunk failed sanity check
>
>
>The SAP utility to start the database failed with the following error:
>
>Assert Failed: WARNING! pthdrpage:ptalloc: bad bfget
>Who: Session(10, informix@SAPMAR,0, -947420584)
> Thread(43, xchg_1.6, c785a8b0, 1)>Resuts: Cannot use TBLSpace page for TBLSpace 4194305
>Action: RUn 'oncheck -pt 4194305'.
>
the table is corrupt.
>Then I tried bringing up the database using 'oninit' (No other options). No
>error was indicated on the prompt, but, once again, the online log had
>indicated the following problems:
>
>'I/O error, Primary check '/informix/M01/sapdata/physdev3/data1' line(sanity).
>chunk failed sanity check.
That chunk is corrupt, I/O error implies a bad spot on the disk.
>Then, the message '/informix/M01/sapdata/physdev6/data1' line (sanity)
>chunk failed sanity check
>
>The 'Asset Failed' error message previously mentioned then appeared.
>
>Any ideas or help would be greatly appreciated. Does the 'bad pfget' imply a
>problem with an index?
>
it does implies corruption...and occurs in the xchg_1.6 thread which
implies problems during Fast Recovery...
Run the oncheck as it tells you to!!
>
>
>Thanks,
>
>Ishay Friedman
>(819) 994-3043
>
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