im getting a sybase error error 694(An attempt was made to
read logical page '%ld', virtpage '%ld' from virtual device '%d' for
object '%ld' in database '%d'. The page was not read successfully. You
may have a device problem or an operating system problem.).
The SYBASE write up talks about it being a hardware error but hardware
error logs don't show up any problem with the hardware.
So was wondering if i increase the rate of I/O polling count which
controls the maximum number of processes that Adaptive Server can run
before the scheduler checks for disk and/or network I/O completions.
has anyone encountered the error and how did they sort it out...
This is most certainly a hardware error - looks like a disk going bad.
How are you checking your hardware logs?
I would advise you to check your kernel logs - they will be able to tell you if the hardware is becoming flaky.
--
Best regards
Esther Wambugu
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