TMS 14.5 and redundancy with F5 load balancing

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• Integration of 11g OAM with Kerberos on cluster with virtualhost load balancing

  Hello!
  I need to make an integration of Kerberos with OAM.
  I find the rest of OAM 11 g notes: Configuration Ondaaah HA Clusters [1365888.1 ID] (https://support.oracle.com/epmos/faces/ui/km/SearchDocDisplay.jspx?_afrLoop=223640518878014 & type = DOCUMENT & id = 1365888.1 & displayIndex = 1 & _afrWindowMode = 0 & _adf.ctrl - State = 14ehvbh4z2_61).
  
  "In environment clustered OAM, OAM Principal for Ondaaah must be the same on all levels, i.e. balancing virtualhost to the OAM cluster."
  That's why each managed server OAM will reference the same keytab file generated for main HTTP / < virtualhost.domain >, and the keytab file will be in the same location on all OAM servers managed.
  For example: ${DOMAIN_HOME} /domains/$ {DomainName} / config/fmwconfig/oam / < the keytab file name >.
  
  After copying the file keytab to the same directory on all OAM manages the server machines, proceed to configuring the Kerberos authentication module in the Console of Administration of OAM (/ oamconsole).
  The AdminServer ensure that the config.xml file - oam on all levels of OAM managed server in the cluster is updated with this configuration."
  
  The question is; When I create oam.keytab with the following command, what is the name of the server I'll have to order? Node1 and Node2 (balanced) VirtualHost?
  
  Ktpass - princ HTTP / < servername > @domaine - pass XXXXXXX mapuser domain\user - on oam.keytab.
  
  Thanks in advance and best regards!
  
  PS: Sorry if my English is not clear.

  David,

  Your main name must match the URL of SSO LB. (ie: sso.mycomany.com)

  Ktpass - princ HTTP/sso.mycomany.com@DOMAIN-passer XXXXXXX mapuser domain\user - on oam.keytab.

  Also make sure that sso.mycomany.com has a reverse DNS configured correctly.
  You can check using the dig command

  Ping sso.mycomany.com
  Regardless of the ip address
  dig - x

  Check in the reverse DNS it takes 1 form.

  ;; SECTION OF THE ANSWER:
  1.1.1.1.in - addr.arpa. 3600 IN PTR sso.mycomany.com.

  Let me know if you have any other questions.

  Thank you
  Saurabh

• Redundancy with double WLC

  Hi, I implémenterai a WLAN with AP1130AG and WLC 2125. If I understand correctly all the traffic to and from the points of access (data + management) will first of all be encapsulated in a tunnel from the WLC LWAPP? Then, the WLC will pass different traffic VLAN via an 802. 1 q trunk in the network. Is this right? If so, the WLC is a true single point of failure! What happens if the WLC get out-of-service? What is the impact on the existing and new client sessions? How a redundant 2125 WLC will work with the primary (active / standby with HSRP, load balancing)? What are the best practices in such a network?

  Thank you

  Hi Jean-Pascal,

  This is not correct, no connection LWAPP (no traffic). A client session will not survive the re-registration due to a failover of WLC :(

  I hope this helps!

  Rob

• Problem with load balancing

  Hello

  I have a model SAN SUN 7117 and ESXi server in a HP DL120G6. The SAN has 4 of the NIC for iSCSI traffic and the ESX has 4 NIC, but only 2 NIC's for iSCSI. In the SAN, I configured an LACP aggregation with 4 NIC problem is that, in the ESXi, I see that only one NETWORK adapter works.

  What is the problem?

  There are some screenshots of setting anchors.

  

  SAN CONFIGURATION

  

  If you need any screenshoot credit information ask for me.

  How can I test and check that the load balancing is working correctly?

  Thank you!

  As previous authors have written, so that the load with a vSwitch policies balancing offers you need more targets and virtual machines more (which is not the case that you use iSCSI).

  Hash IP needs more targets to spread the load.

  Check KB 1011340 and this article: http://vmetc.com/2009/08/12/vswitch-with-multiple-vkernel-portgroups-for-vsphere-iscsi-round-robin-mpio/

  You will find a section he describe different storage vendors have different configurations on the LB on iSCSI, but it's the same with all providers:

  AWo

  VCP 3 & 4

  \[:o]===\[o:]

  = You want to have this ad as a ringtone on your mobile phone? =

  = Send 'Assignment' to 911 for only $999999,99! =

• Monitoring of Tuxedo 9.1 and RAC load balancing?

  Hi all
  
  I wrote this question in the old forum that BEA [http://forums.bea.com/thread.jspa?threadID=300006084] and now I have more question about monitoring in a tuxedo with RAC load balancing:
  
  How can I control in a tuxedo with RAC load balancing?
  How can I verify that the tuxedo load balancing is running correctly?
  How can I know that this group using my requests?
  
  We need to know if the query uses the instance ORARAC1 (groups of GRP_A1 and GRP_A2) or
  use failure ORARAC2 (groups of GRP_B1 and GRP_B2).
  
  There is a tool (same txrpt) that displays this information in a Tuxedo 9.1?
  
  Thanks in advance
  
  P.D.: Excuse my English

  Hello

  How can I control in a tuxedo with RAC load balancing?

  You can use the tmadmin pq and ESP see work queue of orders and the work done by each server.

  How can I verify that the tuxedo load balancing is running correctly?

  What do you mean by properly? This is an area where many clients think that Tuxedo isn't the load balancing, but in fact it is. In general, Tuxedo will select the first server offering a service that does all work queued to it. If all servers have jobs queued, then Tuxedo will select the server with the least amount of work waiting in line. Specifically, this means that if the system is not enough charge, the first server in the list of servers offering service will receive all applications. Note that this is what happens in a single machine and no data dependent routing and routing CARS in the picture. With data dependent routing or TUXRACGROUPS defined, the algorithm is similar, but the possible servers to consider are limited according to the setting of data dependent routing or TUXRACGROUPS as explained in the note on the other.

  How can I know that this group using my requests?

  Without TSAM (Tuxedo system) and Application Monitor, it will be nearly impossible to tell which groups and servers a particular request was sent to. What you trying to accomplish?

  We need to know if the query uses the instance ORARAC1 (groups of GRP_A1 and GRP_A2) or
  use failure ORARAC2 (groups of GRP_B1 and GRP_B2).

  Without changes to the application or using TSAM, it's going to be very hard to say. Why is it important for your application?

  Kind regards
  Todd little
  Chief Architect of Oracle Tuxedo

• How to configure das MD3200i load balancing

  I would like to connect a MD3200i (with two raid controllers) to one of our Windows 2003 R2 servers without the aid of a switch.

  After most of the documentation, some things remain pretty obscure to me. I'm new to MPIO/balancing and cannot figure how to set up.

  Is it possible to connect 1 nic host to RAID 0 and another host nic to RAID 1 and then combine the bandwidth? Thus having 2Gbs instead of 1Gbs? Or is it only a redundant path sollution, happening the other controller in case of failure of the first line. How can I configure this regarding the IP addresses, subnets. And where is the configuered to load balancing. This is explained in the documentation? I can't find it. I found a few examples that include the use of a switch, but none with das sollutions.

  What I have is 4 the MD3200i UTP cables to connect to the host. 2 the high raid controller and 2 on the lower raid controller. And use that I have 4x1Gbs, resulting a connection 4Gbs to a single partition on the MD3200i of load balancing.

  Thanks for any help.

  Multiple paths and in windows 2003 load balancing is managed by the driver MPIO is installed when you install the 'host' or 'full' version install MD Storage Manager. There is no need to separately aggregated network adapters to get the aggregate bandwidth. The pilot, by default, uses repetition alternated on all ports connected to a single controller.

  Also, for a single virtual disk, all i/o through a single controller and the second controller acts as a redundant path. So, if you have 2 x 1 Gbps connections to each controller, you will have, at most, 2 Gbps for each partition. Now, each controller can have virtual disks, so the second controller may have a second partition that will also have a separate between 2 x 1 Gbps connection.

  You can set IP addresses and subnets that are similar to the way that you would with a switch as long as you can test the connection port. It would be wise for each NETWORK card on the host on a different subnet and each port on the MD3200i on the corresponding subnet. This will make it easier when you set up your iSCSI.

  You can use the configuration utility to MD in place your iSCSI sessions too

  -Mohan

• ISE behind the load balancer

  I have a question about ISE profiling of the servers that are placed behind a load balancer:

  If you have an ISE environment where computers and users are be authenticated and restricted access Machine (MAR) is enabled (so that users can authenticate only on a machine already authenticated), the ISE servers up-to-date with all authentications of succesfull computer manipulated by other servers in the ISE?

  For example:

  There are 2 aircraft of ISE (ISE01 and ISE02) behind a load balancer.

  A user starts the computer and the computer authentication is managed by ISE01 (and the authentication is successful). For the moment, that the user logs on to this computer, the load balancer selects ISE02 to authenticate the user.

  ISE02 will be aware that the computer has been already properly authenticated on ISE01, so that users are able to connect? Or she refuses authentication of the user, because he thinks that the computer is not (yet) authenticated and Machine Access Restrictions is enabled?

  Kind regards

  Bert

  ISE servers are aware of all authentications of succesfull computer manipulated by other servers in the ISE?

  => N°

  they are independent servers that replicate that configuration.

  If a user must always authenticate with the same ISE.

  In addition, a load balancer kills profiling since profiling requires you to cover a portion of the traffic at the ISE

• Client based in 12 G load balancing

  We have a JDBC configuration against an address scan with client load balancing enabled.

  Example:

  JDBC:Oracle:Thin:@(Description=(LOAD_BALANCE=on)(Address=(Protocol=TCP)(Host=xxxxxxxxxxxx.de)(port=xxxx))(CONNECT_DATA=(service_name=XXXXXX)))

  What I understand of Diference between Client-side and Server Load Balancing If you do not use the server load balancing, you can bypass by connecting the service that identifies a particular node of RAC name.

  
  

  My question is, if you have a connection pool object this configuration and if the name service maps node to goes down, what happens to the connection connection pool?

  
  

  Issue 1) Don't scan address switches to the available according to the name of the service node, then the JDBC driver on the client must file all embusked connections and reconnect the available node? or is all the agnostic client failure of node on and all the old connections available in the pool are available for use?

  
  

  
  

  The client side or server balancing side basically works for the same purpose. The difference is that you do not have all the customers to reconfigure then change something in the environment, such as adding or removing a node such as the side server.

  Answer your question...

  If you mean the shared server architecture by connection pool, the shared server session connected to node 1 will die and everyone shares this session should log. Failover is not automatic, you must specify the failover clause in the JDBC or TNS connect string:

  TEST_TAF =

  (DESCRIPTION =

  (ADDRESS = (PROTOCOL = TCP)

  (HOST = rac - scan.example.com) (PORT = 1525))

  (CONNECT_DATA =

  (SERVICE_NAME = test)

  (FAILOVER_MODE = (TYPE = SESSION) (METHOD = Basic))

  ) )

  Or if you use failover and load balancing services you set failover described below:

  for 12 c: srvctl $ add orcl db-test - oel6vm1 favorite-available oel6vm2 - tafpolicy BASE - failovermethod SESSION service service - failoverretry 5 - failoverdelay 60

  for 11g: $ srvctl add service d orcl if test - r oel6vm1 - oel6vm2 BASIC EI SESSION m - z 5 AW 60

  Was what you mean?

• Hyperic HA does support load balancing?

  Hello
  
  We try to implement architecture Hyperic high availability based on JBoss HA and distributed cache EHCache. Our version is 3.2.3 EE.
  The cluster configuration is quite simple with the HQ High Availability Guide.
  Thanks for this guide and the esayness of the configuration of the feature!
  
  My first question was, the agent, what server IP should I use? I put with node 1 and other agents with node 2
  = > the synchronization between nodes works very well.
  
  Therefore, I have some additional questions.
  
  1 / can I have a single point of entry for agents with some load balancing and failover capability?
  For example, if an agent is sending information with the Node1 and this node breaks down or the server is restarted for maintenance purposes, the agent information will be lost.
  
  2 / same question for the application, can I have a single point of entry URL with some load balancing and failover capability?
  
  Thanks for your help.
  
  Nicolas.
  
  Post edited by: njmn

  HQ Enterprise HA for failover, but do not support for load balancing.  You will need before your HQ multiple servers with a load (software/hardware) balancer which will relay agent to a live server.  The load balancer must be staged all agents in a single node of 'master '.  If this server is unavailable, another server will automatically become the master node and agents should be redirected to this node.

  Charles

• Load balancing across the NETWORK interface card

  Hello

  Our ESX Server's NIC six, two for SAN, one to the dedicated Service Console and three for the virtual computer LAN traffic. I noticed one thing look in the performance tab in VC, is that all LAN traffic seems to go on one of the three the NIC and the other two are practically inactive.

  If I look at the network configuration for the vSwitch those with three cards network, grouping of NETWORK cards is set for 'road based on the original virtual port code '.

  Can anyone advise how to get a more 'democratic' usage of the three NETWORK adapter?

  
  
  As seen on http://www.eqlforums.com !

  How many virtual machines you host? With the load balancing algorithm you have selected (default), traffic is balanced to the vNIC level (i.e. all traffic from a given vNIC always through the same bear). This is the case for all, but the IP hash algorithm, which requires you to 802.3ad static port aggregation on your pSwitch. In most cases, there is no need to worry about the use of bear - if it's a GbE NETWORK card, you're probably not close to push the limits.

  Ken Cline

  Technical Director, virtualization

  Wells Landers

  TVAR Solutions, a company of the Wells Landers group

  VMware communities user moderator

• The side load balancing test server

  Hello
  Can anyone tell me about any test cases for server side in a 11.1.0.7 RAC load balancing?
  
  I have a 2 RAC nodes with either local_listener and remote_listener correctly (for load balancing server-side). For the test, I create a TNS to my side client that points to a single node of the PAP (a single ADDRESS entry pointing to node 1 of my CARS). So, this customer, whenever I log in, it always connects me node 1 I mentioned in the LMO. This means that server-side load balancing works jointly with the client side only load balancing and I would also add the address entered my TNS for the second node? If Yes, then how can I create a test case to check server load balancing?
  
  Thank you
  
  Salman

  Dear Salman Qureshi,

  There is a small video about load balancing server (http://www.dsvolk.ru/oracle/racdd4d/demos/video/loadbalance/server/serverloadbalance_viewlet_swf.html)

• Least loaded node load - balancing

  Hello

  Due to dynamic service registration, a listener is always aware of all instances and dispatchers regardless 
  of their locations. Depending on the load information, a listener decides which instance and, if shared server 
  is configured, which dispatcher to send the incoming client request to. In a shared server configuration, a 
  listener selects a dispatcher in the following order:
  
  1. Least-loaded node
  2. Least-loaded instance
  3. Least-loaded dispatcher for that instance
  
  In a dedicated server configuration, a listener selects an instance in the following order:
  
  1. Least loaded node
  2. Least loaded instance

  When we talk about connection (from 9i to Oracle RAC) load balancing it are two things main considered as least loaded node & least loaded instance.
  So what factor should be considered for an average of least loaded node CUP, memory, IO, network or even the number of process running(running,sleep,...) is oracle gather information from top, utility wink to get statistician.
  And when we say least loaded node this factor are considered by oracle is that, as the number of sessions (active, inactive...) "(or killed), using component CMS." Can we say load on node is proportional to the load on the Forum... How oracle identifies and what process does it for balancing.
  
  Any docs or paper?
  
  Thank you

  Hello

  10.1 and oracle 9i

  Less loaded node means less CPU load
  Least loaded instance means less number of connections that have been made to the instance

  'Process' and "instance charge" gives an indication of the number of connections that have been made to the instance.

  "Charge of node" gives an indication of the degree of activity of the machine is. By default, 'charge of node"is the main factor in determining where to go new connections.
  For example, if you have a 2 RAC cluster and instance 1 has a load of instance node and '25' 2 has a charge of '50' node, new connections will be routed to
  instance 1.

  Changes to Oracle 10.2
  In versions of Oracle 10.2 and later, the listener uses a local value "lbscore" to determine the charge of node and instance.
  Lbscore consists of two dynamic values 'kindness' and 'delta' which are continuously updated by pmon.
  When an instance is started PMON will communicate with the listener and provide departure for goodness and the delta values...

  Listener = goodness of PMON Lbscore
  Listener Delta = Delta PMON

  To account for changes in load between PMON updated, the listener will increment the lbscore after each new incoming connection...

  Lbscore listener = listener (previous) Lbscore + earpiece Delta

  With each periodic update load by PMON the Lbscore and Delta are updated with the current data.

  Lbscore = goodness (receipt of updated PMON)
  Delta = New Delta (receipt of updated PMON)

  This note explain everything:
  * Understand and troubleshoot the Instance Load Balancing [ID 263599.1] *.

  Kind regards
  Levi Pereira

• ACS load balancing

  If I have CSS and I want to load balance 2 ACS. what I need to do one of them is active and seoncde backup or I can load balance between the server of the sentence.

  If Yes is that it does not affect authentication, and the database.

  If there is any article it wile be more better

  Hello

  A more classic approach will result in a third 'master' server that is used for administrative tasks. This replica config on the two slaves load balancing.

  Mounira

• Loading Deskeop Palm on PC running Vista and synchronization with m130.

  No device

  I tried to install Palm Desktop 4.1.4 and 6.2 on my laptop under VISTA without success.  I can't open Destop or sync with my handheld M-130.  I installed palmhotsyncsetup.com Desktop 6.2 both Pimlico.  The Office seems to load OK but it will not synchronize with the m-130, nor it will open.  When I try to open the Palm Desktop on my laptop I get an error: module not found note pad.exe.

  Any idea.

  Tried to reinstall worm 4.1.4 as you suggested and using the procedure you referenced and found a tip for clk rt the PD icon during startup and select "Open as Administrator" and who did the trick.   PD is in place, running and sync with the m-130.  Thank you very much.

• I am trying to upgrade my XP to Windows 7. I bought a licensed copy of Windows 7 with SP1 dvd but it's a udf file and I can not load.

  I am trying to upgrade my XP to Windows 7.  I bought a licensed copy of Windows 7 with SP1 dvd but it's a udf file and I can not load.  What should I do?

  Boot you from the DVD first? Or have you tried to open it in Windows Xp?