Oracle DB Can't Survive ZFS SA Controller Failover

We are running two new Sparc T4-1 servers against a ZFS SA with two heads and a single DE2-24P disk shelf. It is configured with a single pool for all the storage. Our servers are clustered with VCS as an active/passive pair, so only one server accesses storage at a time. The active server runs the Oracle Enterprise DB version 12c, using dNFS to connect to the shares. Before deployment, we are testing out various failure scenarios, and I was disheartened to see that the Oracle DB doesn't handle a controller failover very well. Here's how I tested:
My DBA kicked off a large DB import job to provide some load.
I logged in to the secondary head, and issued "takeover" on the "cluster" page.
My DBA monitored the DB alert log, and reported everything looking fine.
When the primary head was back online, I logged in to it, and issued "takeover" on the "cluster" page.
This time things didn't go so well. We logged the following:
Errors in file /u04/app/oracle/diag/rdbms/aasc/aasc/trace/aasc_arc2_1296.trc:
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ORA-17516: dNFS asynchronous I/O failure
ARCH: Archival stopped, error occurred. Will continue retrying
Tue Aug 12 14:25:14 2014
ORACLE Instance aasc - Archival Error
Tue Aug 12 14:25:14 2014
ORA-16038: log 15 sequence# 339 cannot be archived
ORA-19510: failed to set size of blocks for file "" (block size=)
12-AUG-14 14:32:03.424: ORA-02374: conversion error loading table "ARCHIVED"."CR_PHOTO"
12-AUG-14 14:32:03.424: ORA-00600: internal error code, arguments: [kpudpcs_ccs-1], [], [], [], [], [], [], [], [], [], [], []
12-AUG-14 14:32:03.424: ORA-02372: data for row: INVID : ''
12-AUG-14 14:32:03.513: ORA-31693: Table data object "ARCHIVED"."CR_PHOTO" failed to load/unload and is being skipped due to error:
ORA-02354: error in exporting/importing data
ORA-00600: internal error code, arguments: [kpudpcs_ccs-1], [], [], [], [], [], [], [], [], [], [], []
My DBA said that this was a very risky outcome, and that we certainly wouldn't want this to happen to a live production instance.
I would have hoped that the second controller failover would have been invisible to the Oracle instance. What am I missing?
Thanks.
Don

your FRA filed up.
you are getting ORA-16038: log 15 sequence# 339 cannot be archived
This means that there is no more space on FRA.
You need to clean up the FRA. Here are some steps:
SQL > alter system set db_recovery_file_dest_size=18G;
http://oraclenutsandbolts.net/knowledge-base/oracle-data-guard/65-oracle-dataguard-and-oracle-standby-errors

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        at com.tangosol.io.pof.ConfigurablePofContext.createPofConfig(ConfigurablePofContext.java:812)
        at com.tangosol.io.pof.ConfigurablePofContext.initialize(ConfigurablePofContext.java:762)
        at com.tangosol.io.pof.ConfigurablePofContext.setContextClassLoader(ConfigurablePofContext.java:325)
        at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.ensureSerializer(Service.CDB:45)
        ... 14 more
Caused by: java.io.IOException: Exception occurred during parsing: looking for id=9, found id=3((0,0,65) Character Dat
Literal {\rtf1\ansi\ansicpg1252\deff0\deflang4105{\fonttbl{\f0\fmodern\fcharset0 Courier;}{\f1\fmodern\fcharset0 Couri
-Bold;}{\f2\fswiss\fcharset0 Arial;}}....
{code}
The content of the contacts-cache-server.cmd file is shown here under:
(its location is C:\coherence\examples\java
{code}@echo off
setlocal
if (%COHERENCE_HOME%)==() (
set COHERENCE_HOME=c:\coherence
set CONFIG=C:\home\oracle\coherence\Contacts
set COH_OPTS=%COH_OPTS% -server -cp %COHERENCE_HOME%\lib\coherence.jar;C:\home\oracle\coherence\Contacts\classes
set COH_OPTS=%COH_OPTS% -Dtangosol.coherence.cacheconfig=%CONFIG%\contacts-cache-config.xml
java %COH_OPTS% -Xms1g -Xmx1g -Xloggc: com.tangosol.net.DefaultCacheServer %2 %3 %4 %5 %6 %7
:exit{code}
The contents of the contacts-cache-config.xml file is shown here under:
(its location is C:\home\oracle\coherence\Contacts
{code}<?xml version="1.0"?>
<!DOCTYPE cache-config SYSTEM "cache-config.dtd">
<cache-config>
<caching-scheme-mapping>
    <cache-mapping>
        <cache-name>*</cache-name>
        <scheme-name>ExamplesPartitionedPofScheme</scheme-name>
      </cache-mapping>
    </caching-scheme-mapping>
<caching-schemes>
    <distributed-scheme>
      <scheme-name>ExamplesPartitionedPofScheme</scheme-name>
      <service-name>PartitionedPofCache</service-name>
      <serializer>
        <class-name>com.tangosol.io.pof.ConfigurablePofContext</class-name>
          <init-params>
            <init-param>
              <param-type>String</param-type>
              <param-value>contacts-pof-config.xml</param-value>
            </init-param>
          </init-params>
       </serializer>
     <backing-map-scheme>
       <local-scheme>
         
             <high-units>250M</high-units>
             <unit-calculator>binary</unit-calculator>
          </local-scheme>
       </backing-map-scheme>
       <autostart>true</autostart>
    </distributed-scheme>
</caching-schemes>
</cache-config>{code}
The contents of the contacts-pof-config.xml file is shown here under:
{code}
<?xml version="1.0"?>
<!DOCTYPE pof-config SYSTEM "pof-config.dtd">
<pof-config>
<user-type-list>
    
    <include>coherence-pof-config.xml</include>
    
    <user-type>
      <type-id>1002</type-id>
      <class-name>com.tangosol.examples.model.Contact</class-name>
    </user-type>
    <user-type>
      <type-id>1003</type-id>
      <class-name>com.tangosol.examples.model.Address</class-name>
    </user-type>
    <user-type>
        <type-id>1004</type-id>
      <class-name>com.tangosol.examples.model.Phone</class-name>
    </user-type>
</user-type-list>
<allow-interfaces>true</allow-interfaces>
<allow-subclasses>true</allow-subclasses>
</pof-config> {code}

I have saved it as a XML documetent. it this OK?
What the following error message shows us?
Caused by: (Wrapped: error configuring class "com.tangosol.io.pof.ConfigurablePofContext") java.lang.UnsupportedClassVer
sionError: Bad version number in .class file
        at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.ensureSerializer(Service.CDB:49)
        at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache.instantiateFromBina
ryConverter(DistributedCache.CDB:3)
        at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$BackingMapContext.s
etClassLoader(DistributedCache.CDB:6)
        at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$BackingMapContext.o
nInit(DistributedCache.CDB:2)
        at com.tangosol.coherence.Component._newChild(Component.CDB:41)
        ... 10 more
Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(Unknown Source)
        at java.security.SecureClassLoader.defineClass(Unknown Source)
        at java.net.URLClassLoader.defineClass(Unknown Source)
        at java.net.URLClassLoader.access$100(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at com.tangosol.util.ExternalizableHelper.loadClass(ExternalizableHelper.java:2969)
        at com.tangosol.io.pof.ConfigurablePofContext.loadClass(ConfigurablePofContext.java:1215)
        at com.tangosol.io.pof.ConfigurablePofContext.createPofConfig(ConfigurablePofContext.java:973)
        at com.tangosol.io.pof.ConfigurablePofContext.initialize(ConfigurablePofContext.java:762)
        at com.tangosol.io.pof.ConfigurablePofContext.setContextClassLoader(ConfigurablePofContext.java:325)
        at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.ensureSerializer(Service.CDB:45)
        ... 14 more
2009-10-22 17:24:14.995/2.922 Oracle Coherence GE 3.5.2/463 <D4> (thread=ShutdownHook, member=2): ShutdownHook: stopping
cluster nodeEdited by: junez on 22-Oct-2009 14:30

What time Oracle Spatial Can support text object

Hi:
I want know what time oracle spatial can support text object. it is very useful for
GIS and LBS customer.
null

Hi,
I think it is an interesting idea, but there are difficulties when implementing such objects in the database level. For one thing, the placement, orientation of text for a point geometry is often dependent on point geometries stored in other rows in order to acheive an optimal and non-overlapping placement. It also depends on the font and size of the text, as well as the scale and level of detail when visualizing the spatial data. Such contextual information is only available to an application. I hope I understood you correctly and if you have further comments I would like to hear them too.

Could you please tell me, which oracle commands can get below result?

Could you please tell me, which oracle commands can get below result?
1. Total size of archive generated
TotalArchive (GB) Date
24.415 28-02-2013
14.223 29-03-2013
12.133 30-02-2013
2. Total number of archive logs generated
COUNT(SEQUENCE#) TO_CHAR
123 28-03-13
234 29-03-13
124 30-03-13

997398 wrote:
Could you please tell me, which oracle commands can get below result?
1. Total size of archive generated
TotalArchive (GB) Date
24.415 28-02-2013
14.223 29-03-2013
12.133 30-02-2013
2. Total number of archive logs generated
COUNT(SEQUENCE#) TO_CHAR
123 28-03-13
234 29-03-13
124 30-03-13query V$LOG

Controller Failover Scenarios - 5508

I am putting a design together for a resilient wireless network.
I have 2 main data center sites
Site 1 I will have either:
1 x 5508
1 x 5508 + HA
2 x 5508 in N+1 failover
Site 2 will have just one 5508 controller.
What failover models are available to me?
Can I have an option of N+1 with also a failover to Site 2 if Site 1 is down
From my initial research I think I can can only configure AP's to have a primary and secondary controller configured.
So think the best model is an HA pair in Site 1 and the 5508 in Site 2
What I don't understand yet is the controller to controller failover?
I will be running a guest network out of Site 1 and require the controllers there to be the anchor
Any advice is appreciated.
Thanks
Roger

You can have various designs:
Option 1:
You can have AP's on both WLC's to off load traffic
Site 1:
5508 with license
Site 2:
5508 with license
Option 2:
You have AP's on one WLC and the other is backup
Site 1:
5508 with license
Site 2:
5508 HA sku
Option 3:
You run N+1
Site 1:
5508 with license
5508 HA sku N+1 (Secondary)
Site 2:
5508 HA sku N+1 (Tertiary)
Option 4:
You run AP and Client SSO
Site 1:
5508 license
5508 HA sku AP SSO
Site 2:
5508 HA sku N+1
Option 5:
Run both sites with AP SSO
Site 1:
5508 license (Primary)
5508 HA sku AP SSO
Site 2:
5508 license (Secondary)
5508 HA sku AP SSO
Scott

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