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11g: handling error ORA-00752 – lost write of a data block in the PRIMARY database
With the recent (11gR1) addition of lost write detection techniques, Oracle has one more tool to help avoid data losses. Prerequisites to it are having a physical standby database applying logs and the parameters enabled in both the primary and … Continue reading
Posted in Availability, Oracle, Troubleshoot
Tagged 11g, corruption, dataguard, error, lostwrite, storage
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ASM MEMBER disks showing as CANDIDATE
Some time ago I spent a few hours troubleshooting an issue where some 20 ASM member disks went all to either CANDIDATE or PROVISIONED status after the servers were rebooted. That’s odd because if the disks were really removed from … Continue reading
Notes from an Oracle 8 DBA 