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Monday, October 22, 2018

Exadata X7 -- Diagnostics iso, M.2 SSD Flash devices and the Secure Erase utility

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After a while, I m here to write about Exadata. As we are doing lots of migration projects, we are dealing with Exadata most of time and a...

RDBMS -- XTTS (+incremental rman backups) -- how to do it when the source tablespaces are read only?

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In my previous post, I mentioned that the method explained in MOS document " 11G - Reduce Transportable Tablespace Downtime using Cross...
Thursday, September 27, 2018

RDBMS -- XTTS (+incremental backups) from Active Dataguard / not supported! /not working! & how does XTTS scripts do these endian conversions of incremental backups?

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Hi all, I just want to highlight something important. That is; If we want to use XTTS (Cross Platform Transportable Tablespace) method...
Sunday, September 16, 2018

EBS R12 (12.1) -- interesting behaviour of adpatch -- HOTPATCH Error -> "You must be in Maintenance Mode to apply patches"

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There is an interesting behaviour of adpatch, that I wanted to share with you. This behaviour of adpatch was observed in an EBS 12.1 enviro...
1 comment:
Tuesday, August 14, 2018

EBS R12 -- REQAPPRV ORA-24033 error after 12C DB upgrade /rulesets & queues

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Encountered ORA-24033 in an EBS 12.1.3 environment. Actually, this error started to be produced in workflow , just after upgrading the data...
Monday, August 13, 2018

EBS -- MIGRATION // 2 interesting problems & 2 facts -- autoconfig rule (2n-1) & APPL_SERVER_ID in the plan.xml of ebsauth

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Recently migrated a production EBS from an Exadata to another Exadata. That was an advanced operation, as it involved Oracle Access Manager(...
Saturday, August 4, 2018

Oracle VM Server -- Guest VM in blocked state, VM console connection(VNC), Linux boot (init=/bin/bash)

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This is an interesting one.. It involves an interesting way of booting Linux, dealing with Oracle Vm Server and its Hypervisor. Last week,...
Thursday, July 26, 2018

Exadata -- Image & GRID 12.2 upgrade

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You may remember my article on upgrading Exadata software versions. -> Exadata Patching-- Upgrading Exadata Software versions / Image u...
Friday, July 20, 2018

Exadata Cloud Machine -- first look, quick info and important facts

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Recently started an ECM (Exadata Cloud Machine) migration project, or maybe I should say an ECC (Exadata Cloud at Customer) migration projec...
Monday, July 16, 2018

RDBMS -- Be careful while activating a standby database (especially in cascaded configurations)

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Recently, a customer reported an issue about a standby database, which was out-of-sync with the primary. This standby database was the endpo...