On Dec 17, 4:04*pm, ruediger.pa...@t-online.de wrote:
> Hi,
> we have a strange HDR-Problem:
> OS AIX 5.2 ml 4.0
> IDS 9.40.FC5
>
> The system has been working without big problems for a long time.
> For synchronisation we have a fast *cross -link-connection seperated
> from user connections.
>
> Normal Checkpoint duration is some seconds. Sometimes the system is
> very busy and then checkpoint duration can be 30 - 60 seconds.
>
> Last weeks we had two situations, where checkpoint duration was more
> than 7000 seconds.
> after that onstat -g dri showed:
> on *for secondary
> off *for primary.
>
> I dont know, if the long CheckPoint is the reason or the result of the
> (unknown) problem.
>
> The necessary logs were available on primary but there was no
> resynchronisation after that checkpoint and out of sync.
> After Stopping and Starting the secondary the systems were synchron
> after a while.
>
> The primary has to be high available and we are not able to do some
> experiments.
>
> First time when the servers were out of sync, we tried to resync with
> an L0-archive on file on primary versus remote device from secondary
> (over fast cross link connection , filesize approx. 90 GB) .
>
> After a while we could not start any ps or other process on the
> primary (folk failed) and we had wait I/O ~99,99% . WE killed the
> restore via remote device. *After approx. 30 min the wait I/O was
> normal. Then we made an archive on tape, transported the tape to the
> secondary, restored and synchronised.
>
> Are there any known problems with remote devices on this *OS/IDS
> combination.
> Are there known bugs in IDS940.FC5 related to HDR ?
> I known, that the current 9.40 version is XC9, but there is no chance
> for an upgrade without justification in relation to fixed HDR bugs.
>
> Thanks in advance
> Rüdiger Papke
>
> is made

Can you post your ONCONFIG from Primary Server and also Online log
(between the days you had 2 Long Checkpoints) ?

Thanks
prasad