Category Archive: Databases

Aug 31

ORA-02396: exceeded maximum idle time, please connect again

I was doing a schema import last night, over a database link. Lack of sleep had set in and I was getting the following error

Now if you aren’t tired this should be a pretty obvious fix, the idle_time value on the remote server was set to 60 and was disconnecting me during the index …

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Aug 07

RMAN-20036: invalid record order

Trying to register a database with my rman catalog I was getting the following error

Poking around metalink I found note 113325.1 Basicly it says there is a mismatch in the number of standby redo logs, but this database does not have a standby. However it was cloned from a database that had a standby, …

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Feb 20

Targets.xml was rejected: loaded with a wrong agent token

I noticed an agent on one of my database servers was down this morning. Agents crash from time to time, no big deal. I will just restart it

Well that sucks. Something is out of sync. Usually this will happen when your file system is filled up and a change cannot be written to …

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Feb 03

Oracle OEM 13c LDAP error

My new OEM 13c system has been having lots of issues, I have multiple bugs registered with oracle. This one is particularly odd, trying to create a new user I get an LDAP error The user actually does get created, but when I try to assign additional privileges to the user I get the error …

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Jan 06

ohasd permissions

I was working kind of late last night, trying to get a new install working. I ran into a bug where the permissions on the ohasd were incorrect after patching GI. I went out to a working server to see what the permissions should be, build my chown and chmod statements and pasted them into my …

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Sep 30

myMYSQL Nightmare Continues

My fight this week with mySQL continues. I started getting really strange errors in the error log, and users couldn’t connect, not even root@localhost. The error log showed

Followed by logins failing

What I think had happened, mySQL was upgraded on the OS by the linux admins. It doesn’t look like anything inside …

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Sep 28

Open Source Rant

%98 of my time I spend as an Oracle DBA. I am not limited just to Oracle though. I have used mySQL and SQL server extensively. Something that always drives me crazy about mySQL is the documentation. It is horrible. The fact that it is done as an open forum where people post and try …

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Jun 17

Mind your spaces

I am trying to export a database, everything except for a single table. I need to send a copy of the database to the vendor, but they don’t need a table that takes up %90 of the space in the database due to it storing a massive number of BLOBs and CLOBs This should be …

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Jun 08

Rushing = Stupid Mistakes

I am currently being asked to refresh a database. The end users are pissed because they asked for the database to be refreshed at noon yesterday, this was the first they had asked for it, and they were doing “really important things” and by 3pm were pissed that I hadn’t responded to them, let alone …

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Mar 29

ASM du -s

one of my biggest complaints about ASM is the lack of the ability to do the equivalent of “du -hs *” to view the size of all the directories. I found a little piece of shell script that does just this. It is extremely slow but it is very helpful!

Just change the first …

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