P A G E S

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Thursday, May 21, 2015

EBS/RDBMS -- Preventing Discoverer Logons Using a After Logon Trigger

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Here is a after logon trigger that can be used to prevent the Discoverer clients logins. This might come in handy in a saturated environme...
Thursday, May 14, 2015

ODA X4-2 -- ODA 2.* , Virtualization -- How to add vdisk to a Virtual Machine

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If you are using ODA X4-2 , you are likely to be using ODA version 2.x.. Then you will have no command to add a vdisk to your Virtual Mach...

Linux -- Migrating a LVM Disk to a new Server

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You may need to migrate your applications or database a new server using storage method such as unmapping the disks from old server and ma...
Wednesday, May 13, 2015

Linux -- ISCSI, mounting ISCSI disks

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          ISCSI is a abbrevation for Internet Small Computer System Interface, and it is a transport layer protocol which works on top of ...
Friday, May 8, 2015

EBS/SSL-- support/certification for SHA2 and TLS 1.1,1.2 and above

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Regarding SHA2 EBS , even the latest version EBS 12.2 does not support SHA2 certificates. Oracle states this as follows; Ref : Oracle S...
10 comments:
Wednesday, May 6, 2015

Rdbms -- Generating output HTML reports using SQLPLUS

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Just a little reminder for the ones who already know, and a useful feature for the ones who has never used it before. We can generate Html...
Tuesday, May 5, 2015

Exadata/ACFS -- ASM Resilvering vs ASM Rebalance

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The term resilvering is actually a new thing for me.. I saw resilvering processes running in ODA X4-2 systems and wanted a shed some light...
1 comment:
Monday, May 4, 2015

Exadata X4-2 -- EBS Scan Listener Registration Problem

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When using EBS with Exadata, you may encounter a problem with the remote database listener registration.. That is scan listener registrati...

RDBMS -- PMON default listener registration , dynamic listener registration

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If there is a listener running on port 1521, by default Pmon registers the database service with that listener.. This is the default beha...
Friday, May 1, 2015

Exadata X4-2 -- Third party Backup Agent connectivity problem

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In an Exadata X4-2 migration project, a problem was escalated to me.. It was related with the Data Protector agent.. The agent, which was...