Oracle VM 3.1.1 and VLAN problem.

Hi There
We got two vlans, 10 and 11. 10 is used for our "Server Management" and 11 is used for "Cluster heartbeat" and "Live Migrate".
So, when I added ovs1(the fist server), it discover the following:
192.168.1.0 - 192.168.1.0-vpg
Then I add the second vlan 11 and my "networks" look like this:
192.168.1.0 - 192.168.1.0-vpg
10.0.0.0 - 10.0.0.0-vpg
Everything is still fine, I added the second server (ovs2) last night to the pool. I did some live migrations and test on the pool.
This morning when I wanted to do a live migration OVMM complained that it is not in the same network group.
So this is what I found under "vlan groups:
192.168.1.0 - 192.168.1.0-vpg
10.0.0.0 - 10.0.0.0-vpg
0004fb00002500005ea963abcbaf0a1d
So it seems that OVMM does not add it to the 192.168.1.0-vpg group ? And when I do a "rediscover" on ovs2, OVMM just create a new random number with that IP in.
Any ideas... Do I need to log an SR ?
Regards
Nardus

Hi There
I don't know if this is the right way but it did solve the issue for me.
I have compared files in the /etc/sysconfig/network-scripts directory and discovered that there was some files missing. The files that you need to look for is meta-bond0 and meta-vlan11. It seems that this files is been created when a server is installed or added to a pool and for some reason the meta-vlan* file is not created. This was on the server that wasn't adding the correct network. I made sure the meta-* files was the same on all my server, this might be different for your setup. After adding the missing meta-* file, I did need to remove the server from the pool and rediscover it.
Hope it helps.
Nardusg

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Edited by: useruseruser on Jun 20, 2011 9:49 PM

Udo wrote:
Hi Gordon,
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-Udo
>Hi Gordon,
what kind of error do you receive? And did you receive any error when building the cocoon.war with the 64bit Java? And which JDK are you using anyway?
-Udo
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Java full stacktrace[show]
org.apache.cocoon.ProcessingException: Unable to get transformer handler for cocoon://fop_post/xsl
 at <map:serialize type="fo2pdf"> - file:///home/nadrog/glassfish/domains/domain1/applications/j2ee-modules/cocoon/fop_post/sitemap.xmap:38:37
 at <map:transform> - file:///home/nadrog/glassfish/domains/domain1/applications/j2ee-modules/cocoon/fop_post/sitemap.xmap:31:39
 at <map:generate> - file:///home/nadrog/glassfish/domains/domain1/applications/j2ee-modules/cocoon/fop_post/sitemap.xmap:30:38
 at <map:mount> - file:///home/nadrog/glassfish/domains/domain1/applications/j2ee-modules/cocoon/sitemap.xmap:1055:92
 at org.apache.cocoon.transformation.TraxTransformer.setup(TraxTransformer.java:339)
 at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:398)
 at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:718)
 at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:501)
 at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:453)
 at org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:144)
 at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
 at org.apache.cocoon.components.treeprocessor.sitemap.SwitchSelectNode.invoke(SwitchSelectNode.java:104)
 at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
 at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
 at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
 at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
 at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
 at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
 at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:235)
 at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:177)
 at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254)
 at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:118)
 at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
 at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
 at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
 at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
 at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
 at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
 at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:235)
 at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:177)
 at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254)
 at org.apache.cocoon.Cocoon.process(Cocoon.java:699)
 at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1154)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
 at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:427)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:315)
 at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:287)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:218)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
 at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)
 at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:98)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:222)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1093)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:166)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1093)
 at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:291)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:666)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:597)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:872)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)
 at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:264)
 at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)
Caused by: org.apache.excalibur.xml.xslt.XSLTProcessorException: Exception when creating Transformer from cocoon://fop_post/xsl
 at org.apache.cocoon.components.xslt.TraxProcessor.getTransformerHandlerAndValidity(TraxProcessor.java:300)
 at org.apache.cocoon.transformation.TraxTransformer.setup(TraxTransformer.java:331)
 ... 56 more
Caused by: org.apache.cocoon.ProcessingException: Exception in StreamGenerator.generate()
 at <map:serialize type="xml"> - file:///home/nadrog/glassfish/domains/domain1/applications/j2ee-modules/cocoon/fop_post/sitemap.xmap:17:32
 at <map:generate type="stream"> - file:///home/nadrog/glassfish/domains/domain1/applications/j2ee-modules/cocoon/fop_post/sitemap.xmap:13:33
 at org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:424)
 at org.apache.cocoon.components.xslt.TraxProcessor.sourceToSAX(TraxProcessor.java:306)
 at org.apache.cocoon.components.xslt.TraxProcessor.getTransformerHandlerAndValidity(TraxProcessor.java:241)
 ... 57 more
Caused by: org.apache.cocoon.ProcessingException: Exception in StreamGenerator.generate()
 at <map:serialize type="xml"> - file:///home/nadrog/glassfish/domains/domain1/applications/j2ee-modules/cocoon/fop_post/sitemap.xmap:17:32
 at <map:generate type="stream"> - file:///home/nadrog/glassfish/domains/domain1/applications/j2ee-modules/cocoon/fop_post/sitemap.xmap:13:33
 at org.apache.cocoon.generation.StreamGenerator.generate(StreamGenerator.java:163)
 at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:579)
 at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:280)
 at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:780)
 at org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:414)
 ... 59 more
Caused by: org.apache.cocoon.ProcessingException: Unknown request object encountered named template : null
 at org.apache.cocoon.generation.StreamGenerator.generate(StreamGenerator.java:122)
 ... 63 more
The Apache Cocoon Project
and other error from CentOS 64 byte same cocoon/fop_post >
Resource not found
org.apache.cocoon.ResourceNotFoundException: No pipeline matched request: fop_post/
<map:mount> - context://sitemap.xmap - 1055:92
Cocoon stacktrace[hide]
No pipeline matched request: fop_post/
context://sitemap.xmap - 1055:92 <map:mount>
Java stacktrace[show]
org.apache.cocoon.ResourceNotFoundException: No pipeline matched request: fop_post/
 at <map:mount> - file:///home/nadrog/glassfish/domains/domain1/applications/j2ee-modules/cocoon/sitemap.xmap:1055:92
 at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:149)
 at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
 at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
 at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:235)
 at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:177)
 at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254)
 at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:118)
 at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
 at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
 at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
 at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
 at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
 at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
 at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:235)
 at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:177)
 at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254)
 at org.apache.cocoon.Cocoon.process(Cocoon.java:699)
 at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1154)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
 at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:427)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:315)
 at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:287)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:218)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
 at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)
 at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:98)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:222)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1093)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:166)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1093)
 at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:291)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:666)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:597)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:872)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)
 at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:264)
 at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)
The Apache Cocoon Project
All this steps above, I was making with open suse 32 byte, with oracle 32 byte 10g with
apex listener, cocoon and glassfish and apex and pdf export working good.
is there any idea, whats solution for 64 byte cocoon, apex listener oracle express pdf export?
regards
Gordan
Edited by: useruseruser on Jun 23, 2011 9:09 AM

Problems with Oracle Database 10g Express Edition and JBoss

Hi all,
I try to use Oracle Database 10g Express Edition and JBoss, but sometimes i have a connection problems.
Sometimes i have starnge warning:
WARN [JBossManagedConnectionPool] Unable to fill pool
org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLException: Listener refused the connection with the following error:
ORA-12519, TNS:no appropriate service handler found
and:
org.jboss.util.NestedSQLException: Could not create connection; - nested throwable: (java.sql.SQLException: Listener refused the connection with the following error:
ORA-12519, TNS:no appropriate service handler found
Oracle Database 10g Express Edition support Distributed Transaction Processing (DTP) XA interface or not?
Some ideas?
Thanks in advance!
Stoyan

Hi,
yes, it will work, but only with the Western European Edition, not the Unicode release.
See this thread for details:
Re: Connection error from SqlPlus 8.0 to Oracle XE in the same computer
Regards,
~Dietmar.

Oracle VM 3.1.1, Oracle VM Server, PeopleSoft Templates and networking

I have installed Oracle VM Manager on an Oracle Linux x86_64 system, all freshly installed, and two Oracle VM Server 6 systems also freshly installed. These three servers are each connected to two networks. One is a 192.168.15.0/24 ("net-A"), and the other is 10.8.15.0/24 ("net-B"). net-B also has the fileserver for the repositories et al directly attached. "net-A" is connected to the outside world. This is all working great; all servers can intercommunicate, can be reached from other devices on each network, et cetera. I can ssh from any machine on the network to these machines, and vice versa. All servers correctly use the internal and the external DNS, and can communicate with Google, et cetera. Excellent!
Now, I have downloaded the templates for PeopleSoft HCM9.1, and PeopleSoft PeopleTools 8.52, and have successfully created Virtual Machines from these. The VMs start up and run successfully, and I have gone through the startup configuration prompts using the Oracle VM "Launch Console" feature.
My problem is that I have not yet figured out how Oracle VM Networking is supposed to work, and so I cannot get these machines to talk to each other nor to the outside world. And I cannot ping them from other devices on the network, either. Obviously, there's no advantage to having a PeopleSoft server running when one cannot attach to it. I've read through the documentation numerous times, and I've pored through http://itnewscast.com/chapter-7-oracle-vm-networking-8021q document over and over, but I get lost in the virtual-upon-virtual-upon-virtual world. Maybe (probably) it's me, but I am not getting how this fits together, and where/how the virtual-ness of the network ends. Plus, all of the configurations in that itnewscast.com Chapter 7 article involve at least one switch (virtual maybe? not clear!) between the VMM and the VMS, and I don't have a switch invoved in this network... it's flat, with everything on the same wire.
My Oracle VM network is super simple at present: There is exactly one network ("ps-net"), and it runs all five network channels (server management, live migrate, storage, etc.). Both servers are on this network, and the NIC used is the "net-B" NIC. There is no VLAN, and the IP addresses are set by DHCP. Bonding, the configuration display says, is Not applicable. Since these devices are on the same NIC as "net-B," I provided the 10.8.15.x network information when prompted, and assigned them fixed IP addresses on that network. For "gateway," I specified the address of the VMM, not knowing what else to use. And, as I said, these VM don't talk to anything, not even to each other.
My needs are very simple. The shame is I've built all this up for the express purpose of running those two templates, and it's been a battle, to say the least, to get this far. Who can point me to the error of my ways, or a better way to accomplish this end?
Thanks for your time, and for reading this far!

OK. Out of desire to resolve this, I have completely removed the 192.* network from this configuration, by disconnecting the eth0 networks, and changing the ifcfg-eth0 to ONBOOT=no (yes, I know either action should suffice).
So there is exactly one network involved now. (Greg King said that's OK, if scalability is not an issue, and if he said it, I believe it. I'll complicate it later, after I get simple working.) And one VMS is out of the configuration for now. So I have ora-vmm at 10.8.15.49 ora-vms1 at 10.8.15.47, and the fileserver at 10.8.15.50. ora-vms2 is at 10.8.15.48, but is down for now. The server pool address is set to 10.8.15.1. The network looks like this:
ID: 10.8.15.0
Name: ps-net1
Channels: all
Servers: ora-vms1, ora-vms2
Selected paths: ora-vms1 Port (2) (eth1), ora-vms2 Port (2) (eth1)
VLAN Group: None
VLAN Segment: None
Configure IP Address: ora-vms1 Port (2) (eth1) Use DHCP 10.8.15.47 255.255.255.0 Bonding: N/A
Configure IP Address: ora-vms2 Port (2) (eth1) Use DHCP 10.8.15.48 255.255.255.0 Bonding: N/A
ifconfig from ora-vmm
eth1 Link encap:Ethernet HWaddr 00:0C:29:38:92:7E
inet addr:10.8.15.49 Bcast:10.8.15.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe38:927e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3516 errors:0 dropped:0 overruns:0 frame:0
TX packets:3186 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1520847 (1.4 MiB) TX bytes:383384 (374.3 KiB)
eth2 Link encap:Ethernet HWaddr 00:0C:29:38:92:88
inet addr:10.8.16.1 Bcast:10.8.16.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe38:9288/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:13 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:830 (830.0 b)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:136683 errors:0 dropped:0 overruns:0 frame:0
TX packets:136683 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:30853824 (29.4 MiB) TX bytes:30853824 (29.4 MiB)
ifconfig from ora-vms1
10.8.15.0 Link encap:Ethernet HWaddr 00:0C:29:D5:97:F1
inet addr:10.8.15.47 Bcast:10.8.15.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:21463 errors:0 dropped:1 overruns:0 frame:0
TX packets:23017 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:10033833 (9.5 MiB) TX bytes:12175262 (11.6 MiB)
10.8.15.0:0 Link encap:Ethernet HWaddr 00:0C:29:D5:97:F1
inet addr:10.8.15.1 Bcast:10.8.15.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
eth1 Link encap:Ethernet HWaddr 00:0C:29:D5:97:F1
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:47343 errors:0 dropped:0 overruns:0 frame:0
TX packets:48885 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:23261224 (22.1 MiB) TX bytes:22212168 (21.1 MiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:5858 errors:0 dropped:0 overruns:0 frame:0
TX packets:5858 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2749072 (2.6 MiB) TX bytes:2749072 (2.6 MiB)
I don't understand why, but the VMM has placed this entry into each server's /etc/sysconfig/network-scripts directory:
ifcfg-10.8.15.0
Contents are:
#This file was dynamically created by OVM manager. Please Do not edit
DEVICE=10.8.15.0
TYPE=Bridge
BOOTPROTO=dhcp
ONBOOT=yes
DELAY=0
I am able to start the guest with no issue. It has been configured with IP address 10.8.15.101, netmask 255.255.255.0. Its gateway is 10.8.15.50, the same network configuration as all the other servers.
The important parts of ifconfig output from the guest (which I must manually type since Launch Console provides no copy/paste functionality) are:
eth0 Ethernet, HW Addr: 00:21:f6:00:00:11
inet addr: 10.8.15.101 Bcast: 10.8.15.255 Mask: 255.255.255.0
inet6 ...
UP BROADCAST RUNNING MULTICAST ...
RX Packets: 11 errors:0 dropped:0 overruns:0 frame:0
TX Packets: 101 errors:0 dropped:0 overruns:0 carrier:0
RX bytes:620 (620.0 b) TX bytes:10592 (10.3 KiB)
Interrupt:14
Ping to 10.8.15.47 (the server on which this guest is running) is successful
All other ping attempts fail.
This is where I am, and why I'm confused. Can anyone help me understand why this guest can only talk to its "host?"
Thank you.

Oracle VM 3.2.1 test setup - problems with OVS node evictions

Hi all
I am building a small test environment for Oracle VM with the following configuration
4 boxes, each 1 x AMD 6 core cpu + 32GB RAM + 2 x 1GB ethernet (10.30.32.n, 192.168.20.n networks - I only have 1x16 port GB switch, so all cabling is through the one switch - that may be part of the problem)
3 boxes are diskless, running Oracle VM Server from 8GB USB flash drive
1 Box is EL6.3 and set up with:
1x750GB with (LVM) partitions for /, /u01 (Oracle 11gR2SE + OVM Manager), swap, and a partition for the OVS pool
4x2TB drives, set up with LVM striping, and 4 LVs - 1 750GB for virtualbox and VMWare VMs, and 3 others for OVS storage repositories (each a bit over 2TB) - all ext4.
The OVS Pool and OVS Storage file systems are exported via NFS
VM server and VM manager installs all went smoothly. Servers and storage are discovered OK in the manager.
I created 2 networks - one on the 10.30.32 subnet for Server Management, Cluster Heartbeat and Live Migrate (also the public network for accessing the machines). The other on the 192.168.20 subnet for Storage and Virtual Machine.
Created storage pools, and presented to all the servers.
In creating the Server Pool, just took the default 120 for the cluster timeout
Now when I try to import an assembly, or a VM template, it gets so far, then then the server doing the actual job reboots.
My initial thought is that for whatever reason the NFS traffic involved in importing and writing - either network, or I/O on the NFS server - is swamping the cluster heartbeat traffic, and the node just fences itself
Just wondering if anyone has any ideas or suggestions, or can advise what further diagnostics or troubleshooting I can do

I suspect it more to do with your storage than anything. Run your import again and sample your I/O performance from your NFS server during the import. Also, if you can... .create LACP bond on your NFS server. I don't know what kind of throughput you expect but remember. A single GB nic can only do a max of 125/MB a sec. That sounds rather good but take into consideration everything you're doing across your environment... its not a lot. I see well over 400 mb/sec network throughput at times on my storage. I run bonded 10GB nics.
Once you get your templates and such built you shouldn't experience that much NFS I/O. You should allocate enough memory to your guest as to avoid virtual disk paging on your NFS storage.

Oracle 11g R2, CREATE TABLE and QUOTAS

Hello everyone,
I need some insight about a strange behavior I found out in Oracle 11gR2. Don't know if I do miss something or if I just found out a security issue with Oracle.
Oracle Version : 11.2.0.1.0
The problem is related with the CREATE TABLE privilege and the QUOTA on specific tablespace.
Please, try this on your systems (if you have some spare time and care to confirm the "bug").
Create a user, grant only two privileges, CREATE SESSION and CREATE TABLE.
Grant NO quota on any tablespace.
Try to create table on any tablespace (except SYSTEM) and tell everyone if it worked or not.
The oracle documentation states the following :
To create a relational table in your own schema, you must have the CREATE TABLE system privilege. To create a table in another user's schema, you must have the CREATE ANY TABLE system privilege. Also, the owner of the schema to contain the table must have either space quota on the tablespace to contain the table or the UNLIMITED TABLESPACE system privilege.
[http://download.oracle.com/docs/cd/E11882_01/server.112/e17118/statements_7002.htm#SQLRF01402]
The fact is, so far, on two different instances of Oracle 11gR2, my users are not limited in creating tables only where they have quotas but wherever they want except SYSTEM.
The correct behavior would be to deny the table creation on tablespace where there is no quota but it does not.
My instance of Oracle 10g are behaving correctly and thus the table creation is denied on tablespace with no quota.
P.S1 Sorry if this a well known "bug/problem/issue". I've been ridicule on a well known forum for asking the same question. I am in no need to be "spoon filled" as stated on that famous website! I have read the documentation! I have googled a lot!
P.S2 Even though the table creation work on tablespace with no quota, you still can't insert data in it. So, big picture, the user can't filled the tablespace with irrelevant data but he can creates thousand of tables...!
Do I miss something?
Is there any "default" option I have to flag to prevent table creation where it should not?
?(?)

Hi. I'm planning on taking my OCP exam. If the exam ask a question realted to this topic, what is the correct answer?
create user barry identified barry
grant create session, create table to barry
1) barry cannot create a table since he has no quota
2) barry can create a table
According to the oracle document, the barry needs quota on the tablespace to create a table. however, according to the link you provided, in 11gR2, barry does not need quota to create a table. He only needs a quota to insert data.

Oracle performance, slow for larger and more complex results.

Hello Oracle forum,
At the moment i have a Oracle database running and i'm specifically interested in the efficiency spatial extension for webmaps and GIS.
I've been testing the database with large shape files (400mb - 1gigabyte) loaded them into the database with shp2sdo->sql*loader.
Using Benchmark factory i've test the speed of transactions an these drop relatively quickly. I've started with a simple query:
SELECT id FROM map WHERE id = 3 when I increase the amount of id's to 3-10000 the performance decreases drastically.
so :
SELECT id FROM map WHERE id >=3 and id <= 10000
The explain plan shows the second query , both query's use the index.
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 9828 | 49140 | 22 (0)| 00:00:01 |
|* 1 | INDEX RANGE SCAN| SYS_C009650 | 9828 | 49140 | 22 (0)| 00:00:01 |
Statistics
0 recursive calls
0 db block gets
675 consistent gets
0 physical reads
0 redo size
134248 bytes sent via SQL*Net to client
7599 bytes received via SQL*Net from client
655 SQL*Net roundtrips to/from client
0 sorts (memory)
0 sorts (disk)
9796 rows processed
The statistics does not show very weird stuff, but maybe i'm wrong. Nothing changed in the explain plan except for the range scan instead of a unique scan.
The query returns lots of results and this is I think the reason why my measured time of the query is large. The time it takes returning large amount of rows increases quickly for more rows.
. Can this be solved? The table has been analyzed before starting the query.
The parameters of the database are not really changed from standard, I increased the amount of memory used by Oracle 11g to 1+ gigabyte.
and let the database itself decide how it uses this memory.
The system specs are and db_parameters are:
Oracle 11G
Memory Processor # of CPUs OS OS Version OS B
1.99 gb Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz 2 Microsoft WindowsXP 5.2600
0=Oracle decides which value will be given
cursor_sharing EXACT
cursor_space_for_time FALSE
db_block_size 8192
db_recovery_file_dest_size 2147483648
diagnostic_dest C:\DBBENCHMARK\ORACLE
dispatchers (PROTOCOL=TCP) (SERVICE=gistestXDB)
hash_area_size 131072
log_buffer 5656576
memory_max_target 1115684864
memory_target 1048576000
open_cursors 300
parallel_max_servers 20
pga_aggregate_target 0
processes 150
resumable_timeout 2162688
sort_area_size 65536
Sga=632mb
PGA=368mb
javapool=16mb
largepool=8mb
other=8mb
So I indexed and analyzed the data what did i forget? I can speed it up with soft parsing, but the problem remains . Hopefully this enough information for some analysis, does anyone experienced the same problems ? I tested with SQLdeveloper the speed and is shows the same speed as Benchmark factory. What could be wrong with the parameters?
Thanks,
Jan Martijn
Edited by: user12227964 on 25-jan-2010 4:53
Edited by: user12227964 on 26-jan-2010 2:20

Sand wrote:
select count(id) , resulted in 3669015 counted id's.
The database counted 18,345,075 rows per second without binded variables , which is ten times slower as your result. This can be possible because of hardware but my question is specifically about the number of rows returned thus large amount of results. The idea was not to compare the speed of "+select count(*)+" statements - but to illustrate that even when dealing with a huge number of rows, one can decrease the amount of I/O that needs to be performed to deal with that number of rows.
Select id from map where id <= 1
4000 rows per second are selected, Rows/sec is a meaningless measurement - due to physical I/O (PIO) versus logical I/O (LIO). You can select a 100 rows and these require PIO. Resulting in an elapsed time of 1 sec. You can select a 1000 rows that require only LIO. With an an elapsed time of 0.5 sec.
Is the 2nd method better or faster? No. It simply needed less time to be spend on I/O as the data blocks were in the buffer cache (memory) and did not require very slow and expensive disk access.
Another database i testes returns 6 times 25425 rows back per second for the same query (100 ids). What could be a parameter that limits the output speed of multiple rows in a query?.Every single row that needs to be read/processed by a SQL statement has a cost associated with it. This cost is not consistent! It differs depending on how that row can reached - what I/O paths are available to find that rows? Does the full table need to be scanned? Does an index need to be scanned? Is there a unique index that can be used? Is the table partitioned and can partitioning pruning be applied and local partition indexes used? Are there are user functions that need to be applied to the row's data? Etc. Etc.
All these together determine how fast the client gets a row from the cursor executing that SQL.
The more rows you want to process, the bigger the increase in the cost/expense - specifically more I/O. As I/O is the biggest expense (slowest ito elapsed time).
So you want to do as little I/O as possible and read as little data as possible. For example, instead of a full table scan, a fast full index scan. For example, instead of reading the complete contents of a 10GB table, reading the complete contents of a 12MB index for that table.
I suggest that you read the Oracle Performance Guide to familiarise yourself with basic performance concepts. Use http://tahiti.oracle.com for finding the the guide for your applicable Oracle version.

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