crsd.bin hangs on HP-UX results ASM hang and DB hang with ORA-240

I had a lot of project with Oracle RAC on HP-UX based on Intel Itanuim platform.

We started with version 10.1.0.4, but quickly moved to 10.2.0.2 when it became available.

There were clusters with 2, 4 and 8 nodes and there weren’t stability problems with 2 or 4 nodes cluster, but those one – with 8 nodes … was the real nightmare…

At some point in time there were about 28 databases and ASM… was hanging…  every 2 days!!!

To temporary resolve this hanging issue customer had to shutdown all ASM instances at once and than start them – so it required FULL CUSTER OUTAGEContinue reading

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Archiving HP-UX old /var/adm/syslog/OLDsyslog.log

It’s hard to troubleshoot constantly rebooting Oracle RAC nodes…

Especially if old system log are constantly overwritten.

To cope with this issue on HP-UX I wrote simple script that at system startup time archives old /var/adm/syslog/OLDsyslog.log file with compression. It makes possible to track back in time when issue appeared first.

To install this solution please create script /tmp/OLDsyslog.log.archiver with next contents and execute it as root:

. /tmp/OLDsyslog.log.archiver install Continue reading