Team servers connected to a css11501S

I have 2 CSS11501S connected to an stateful active/standby pair on port e8. And servers with one nic in each CSS. So CSS01 e1 has NIC1 of serverA and CSS02 e1 has NIC2 of serverA. I had some issues where the VIPs would not work because VRRP wouldnt work (each CSS couldnt see eachother) I resolved that by making e7 a trunk and got the VRRP working in a active standby(stateful) setup between the CSS. PRoblem is now that the Teamed servers crap out when more than one nic is turned on. If i put on both nics then they dont work they just die. If i turn off a nic then it works. I'm a bit confused since the trunk should be able to allow the nics to communicate with eachother.
Any insight would be helpful

ahh found the answer.. seems that the content switch behaves a bit erratically with an active/active teaming. When they are on active/standby there are no issues.

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How do the application servers connect the new database after failing over from primary DB to standby DB

How do the application servers connect the new database after failing over from primary DB to standby DB?
We have setup a DR environment with a standalone Primary server and a standalone Physical Standby server on RHEL Linux 6.4. Now our application team would like to know:
When the primary DB server is crashed, the standy DB server will takeover the role of primary DB through the DataGuard fast failover. As the applications are connected by the primary DB IP before,currently the physical DB is used as a different IP or listener. If this is happened, they need to stop their application servers and re-configure their connection so the they coonect the new DB server, they cannot tolerate these workaround.
Whether does oracle have the better solution for this so that the application can automatically know the role's transition and change to the new IP without re-confige any connection and shutdown their application?
Oracle support provides us the answer as following:
==================================================================
Applications connected to a primary database can transparently failover to the new primary database upon an Oracle Data Guard role transition. Integration with Fast Application Notification (FAN) provides fast failover for integrated clients.
After a failover, the broker publishes Fast Application Notification (FAN) events. These FAN events can be used in the following ways:
Applications can use FAN without programmatic changes if they use one of these Oracle integrated database clients: Oracle Database JDBC, Oracle Database Oracle Call Interface (OCI), and Oracle Data Provider for .NET ( ODP.NET). These clients can be configured for Fast Connection Failover (FCF) to automatically connect to a new primary database after a failover.
JAVA applications can use FAN programmatically by using the JDBC FAN application programming interface to subscribe to FAN events and to execute event handling actions upon the receipt of an event.
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=======================================================================================
Who has the experience and the related documentation or other solutions? we don't have the concept of about FAN.
Thank very much in advance.

Hi mesbeg,
Thanks alot.
For example, there is an application JBOSS server connecting the DB, we just added another datasource and put the standby IP into the configuration file except adding a service on DB side like this following:
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                        <min-pool-size>2</min-pool-size>
                        <max-pool-size>10</max-pool-size>
                        <prefill>true</prefill>
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                    <security>
                        <user-name>TEST_USER</user-name>
                        <password>Password1</password>
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                        <valid-connection-checker class-name="org.jboss.jca.adapters.jdbc.extensions.oracle.OracleValidConnectionChecker"/>
                        <validate-on-match>false</validate-on-match>
                        <background-validation>false</background-validation>
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                </drivers>
            </datasources>
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If the failover is occurred, the JBOSS will automatically be pointed to the standby DB. Additional actions are not needed.

Servers connected to Nexus 5548 only getting 200 Mbps of throughput

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Hi Adam,
I think we probably need a little more information to go on. Can you answer the following?
What type of servers and NICs?
What OS are you running on the servers?
What cables do you have from the servers to the switch?
Are the two servers in the same subnet or is the traffic between them routed?
If routed, is that in the Nexus 5548 or some other router?
How are you testing throughput?
Presumably you're not seeing any errors on the switch ports that the servers are connected to?
Regards

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Hello
Issue with the Actiance Vantage server.
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After adding 3rd vantage servers and made two vantage servers as active , we are seeing the following behaviours:
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Hi,
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Best Regards,
Eason Huang
Eason Huang
TechNet Community Support

Weblogic managed servers connecting to the servers in different cluster

          Hi All,
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          Venkat,
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          "venkat" <[email protected]> wrote:
          >
          >Udit,
          > You can check the sub net, multicast address and the cluster name.
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          >and prod servers are in the same sub net with same multicast address,
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          >
          >Venkat
          >"venkat" <[email protected]> wrote:
          >>
          >>Udit,
          >>
          >>
          >>"Udit Singh" <[email protected]> wrote:
          >>>
          >>>Kumar,
          >>>Thanks for the reply.
          >>>The situation is that managed server in DEV try to replicate the session
          >>>to a
          >>>managed server in PROD and TEST and vice versa.
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          >>>Udit
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          >>>>
          >>>>--
          >>>>Kumar
          >>>>
          >>>>Udit Singh wrote:
          >>>>> Hi All,
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          >>>>>
          >>>>> Thanks in adavnce for your input.
          >>>>> Udit
          >>>>
          >>>
          >>
          >

Teaming servers to multiple switches

I am looking for a configuration guide / example that shows how to connect a Server with multiple NIC's to 2 different switches for failover. The servers could be Window's or Unix based. Thank you.

Actually, on the 3750s if stacked at least, I believe this is now possible to channel those ports.
I'm not sure if that carries over to the 2970s or not.
The "other company" called this "Split Multi Link Trunking". I'm not sure if Cisco calls it Split Etherchannel or not, but I'm 99% sure that that was one of the benefits of the stacked 3750s for uplinks, and there's no reason that it wouldn't apply to servers too, so long as they are capable of etherchannels.
...N

Connecting to the db is taking too long with Shared Servers connection

Hi all
OS: Solaris 11 SPARC 64 bits
DB: 2-node RAC Oracle 11.2.0.3.5
After doing a migration of a 40GBs database from a 9i database to a 11g database, it's takin too long to connect to the db, which is using shared server. In the moment, there aren't any applications using the db, just myself. Doing some tests, i saw that when i use a dedicated connection, i can connect almost instantly, but using the shared connection, it takes almost 4 seconds to connect, via sqlplus. Here are some shared server parameters:
shared_server_sessions               integer
shared_servers                          integer     1
max_shared_servers                   integer     20
dispatchers                               string      (protocol=TCP)(disp=5)
max_dispatchers                        integer     5
lsnrctl service
Instance "INSTANCE", status READY, has 6 handler(s) for this service...
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         LOCAL SERVER
      "D004" established:93 refused:0 current:0 max:1022 state:ready
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         (ADDRESS=(PROTOCOL=tcp)(HOST=hostname)(PORT=65402))
      "D003" established:85 refused:0 current:0 max:1022 state:ready
         DISPATCHER <machine: orahml01, pid: 4070>
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      "D002" established:90 refused:0 current:2 max:1022 state:ready
         DISPATCHER <machine: orahml01, pid: 4066>
         (ADDRESS=(PROTOCOL=tcp)(HOST=hostname)(PORT=41277))
      "D001" established:89 refused:0 current:1 max:1022 state:ready
         DISPATCHER <machine: orahml01, pid: 4062>
         (ADDRESS=(PROTOCOL=tcp)(HOST=hostname)(PORT=61887))
      "D000" established:91 refused:0 current:0 max:1022 state:ready
         DISPATCHER <machine: orahml01, pid: 4060>
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INSTANCE =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = hostname-scan)(PORT = 1521))
      (CONNECT_DATA =
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        (SERVICE_NAME = INSTANCE)
INSTANCE1 =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = hostname-vip)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = INSTANCE)
      (INSTANCE_NAME = INSTANCE1)
INSTANCE2 =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = hostname-vip)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = INSTANCE)
      (INSTANCE_NAME = INSTANCE2)
) The alert.log doesn't show anything wrong.
What can be causing this issue with shared servers?
Thanks in advance.
Edited by: Fabricio_Jorge on 27/03/2013 06:14

Hello,
Refer to the documentation is a great help.Please have a look at the below link:
http://docs.oracle.com/cd/B10501_01/server.920/a96533/features.htmLook at the part :
Performance of certain database features can improve when a shared server architecture is used, and performance of certain database features can degrade slightly when a shared server architecture is used. For example, a session can be prevented from migrating to another shared server while parallel execution is active.i know that this maynot be the case here but please read this document and apply it as it will help you understand what is going on.
BR
Mohamed ELAzab
http://mohamedelazab.blogspot.com

B1 servers connection tools

Hi
Our client have 5 branches. Instead of using RDC or VPN we want to install B1 server at each branch and transfer the data to the Head Office B1 server.
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I have no experience with Cisco content switches and I need help with this implementation:
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Team servers connected to a css11501S

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