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Posts tagged 11gR2

11gR2 install fails with “Hard Limit: maximum user processes” error

Just finished dealing with “Hard Limit: maximum user processes” error on Open Solaris 10 while installing 11gR2:

Oracle Metalink was useless — total waste of time — I hate that site now, it’s gone completely into the crapper.
SOLUTION (thanks to David D’Acquisto advice):
1) edit /etc/system as follows:

set shmsys:shminfo_shmmax=12025908428
set shmsys:shminfo_shmmni=100
set shmsys:shminfo_shmseg=10
set semsys:seminfo_semmni=100
set semsys:seminfo_semmns=1024
set shmsys:shminfo_shmmin=1
set max_nprocs=30000
set maxuprc=16384

2) [...]

11gR2 clients connect to the database using SCANs

If you’ve extended your RAC cluster on a set of new nodes you already know how painful it can be to have to go through the list of your clients and make sure their SQL*Net configuration is up to date. 11gR2 solves this problem using Single Client Access Name (SCAN).
The single client access name [...]

11gR2 – raw and block devices – no longer supported

I was just reading up on the 11gR2 documentation for Grid Infrastructure Installation and finally we have a closure on the topic of RAW and BLOCK devices for OCR and VOTING disks:
With this release, OUI no longer supports installation of Oracle Clusterware files on block or raw devices. Install Oracle Clusterware files either on Automatic [...]

11gR2 is here!

In case you didn’t get this via oracle.com news updates — 11gR2 is out and available for download from here ….
And as I have predicted, the first distro is Linux x86 and Linux x86-64. So if you are a die-hard Solaris fan it should now be obvious (if it wasn’t already) that Linux is [...]

Data Guard — it’s real it’s Oracle, you know what you’ve got!

“Data Guard — it’s real it’s Oracle, you know what you’ve got!” said Joe Meeks (Director of High Availability Product Management at Oracle) in his closing statement during the Live Webcast presentation titled “Maximize Availability with Oracle Database 11g” held today.
The focus of this presentation was on “Active Data Guard Option” of Oracle 11g. [...]


My name is Vitaliy Mogilevskiy -- I started working with ORACLE Products in 1996 (Oracle v7, 7.3.4 was pretty good).

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Recent Comments

  • Hans Forbrich: Douglas – your comment about ASM after Clusterware was true for 11gR1 and older. With 11g...
  • gurpreet: thanks…..
  • MVE: According to the 11gR2 documentation — “OCR and voting disk files can be placed either on ASM, or on...
  • Douglas: Dude, You can’t put the OCR and vote/quorum devices in ASM… Clusterware must be up before ASM,...
  • Craig: Easy to understand -as an Oracle newbie it was very usefull.Thx I followed your tutorial and I’m...

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