Load Balancing Two Different Waas Models

Is it possible to deploy two waas devices having different models? Specifically WAVE-694-K9 and
WAVE-7541-K9? Thanks

Hi,
I guess you questions is about having different WAAS models part of the same WCCP farm.
If that is the case, it shouldn't be an issue at all.
The only problem I would see with this is that if you have even load balancing, the less powerful device will be overloaded while there is still capacity on the other device
If you run into this, you might try to play with the WCCP mask to achieve uneven load balancing based on the devices processing powers.
Regards,
Nicolas

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One target table is loading from two different source but same columns but one source is in a database and other is in a flat file.

Hope you all are doing good.
I have a business issue to be implemented in ODI 11G. Here it is. I am trying to load a target table from two sources having same coulmn names. But one source is in file format and other is in Oracle Database.
This is what i think i will create two mappings in the same interface using Union between the sources. But i am not sure how the interface would connect to different logical architecture to connect to two different sources.
Thanks,
SM

You are on the right track, this can all be done in a single interface. Do the following
1) Pull your file data model into the source designer and and your target table model to the target pane.
2) Map all the relevant columns
3) In the source designer create a new dataset and choose the UNION join type (this will create a separate tab in the source designer pane)
4) Select the new dataset tab in the source designer pane and pull your source oracle table data model into the source designer. Map all the relevant columns to the target
5) Make sure that your staging location is defined on a relational technology i.e. in this case the target would be an ideal candidate as that is where ODI will stage the data from both file and oracle source and perform the UNION before loading to the target
If you want to look at some pretty screenshots showing the steps above take a look at http://odiexperts.com/11g-oracle-data-integrator-part-611g-union-minus-intersect/

Load Balancing Two Servers

i have two Solaris servers running 9iAS R2 OC4j.
current patch level is 9.0.2.3
i'm trying to load balance the instances according
to the instructions in this document:
Oracle9i Application Server: mod_oc4j Technical Overview
all i should need to do is run the command:
dcmctl addOPMNLink <IP>:<PORT>
but when i do this i get this error:
ADMN-906026
i could not find any info on this error with searches of:
Google, Google Groups, Oracle MetaLink, Oracle OTN.
ideas? suggestions? anything?
thanks,
.rich

Rich -- if you have installed the Oracle9iAS instances and associated them with the infrastructure, then you don't need to perform the manual clustering operations which are contained in the doc you reference.
By associating with the infrastructure (as the error message indicates you have done), the components should all be associated with one another and you'll be working in what we call a managed cluster mode.
If you do have the instances associated with the infrastructure, then what you need to do is use the management console (or dcmctl) to create a cluster and then add the two instances to the cluster. This will then mean that the same applications get deployed to the two instances, and will add an Oc4jMount point to OHS that will allow the incoming requests to be dispatched to the two backend instances.
There should be a guide on OTN (HA Guide, Concepts Guide) which explains the concepts behind these terms if you need.
Here's the dcmctl commands to create a cluster then add the instances to the cluster (this is from my 904 instance, I don't have a 902 instance installed)
[oracle@peterman ~]$ dcmctl -help createcluster
createCluster
Creates a managed Oracle Application Server cluster.
Note
Oracle recommends that Oracle Application Server Clusters using a file based repository contain four (4) or less than four instances.
Type
Configuration Management
Syntax
createCluster -cl cluster_name
Description
A managed cluster is created.
Notes for using createCluster:
You must issue this command in the Oracle home of an instance that
belongs to a farm (that is, is associated with a metadata repository).
The cluster will be created in that farm.
The cluster has no members when created. You can add members using
joinCluster.
You can create an unlimited number of clusters.
Example
dcmctl createCluster -cl cluster1
[oracle@peterman ~]$ dcmctl -help joincluster
joinCluster
Adds an Oracle Application Server instance to the named managed cluster.
Notes for using Oracle Application Server clusters:
Oracle Application Server supports heterogeneous instances as part of the same farm. For example, an instance running on Solaris Operating System, an instance running on a Linux system, and an instance running on an HP-UX system can reside in the same farm.
Oracle Application Server instances that you want to be part of a cluster must be installed on identical operating systems
Oracle recommends that Oracle Application Server Clusters using a file based repository contain four (4) or less than four instances.
If you are using Oracle Enterprise Manager Application Server Control, then, after issuing the dcmctl joinCluster command, you must stop and then start Oracle Enterprise Manager Application Server Control using the commands:
%emctl stop iasconsole
%emctl start iasconsole
Type
Configuration Management
Syntax
joinCluster -cl cluster_name [-i instance_name]
Description
Adds an application server instance to the managed Oracle Application Server cluster specified with the -cl option. By default, this command uses the local instance. You can specify a different instance with the -i option. The instance must be a member of the same farm as the
cluster. There is no limit to the number of instances you can add to a cluster. An instance is stopped after being added to a cluster, so you must manually start it.
Example
To add the local application server instance to cluster1 and restart
it:
dcmctl joinCluster -cl cluster1
dcmctl start
To add instance1 to cluster1 and restart it:
dcmctl joinCluster -cl cluster1 -i instance1
dcmctl start -i instance1
cheers
-steve-

Load balancing two or more Web Provider instaces

Is it possible to balance the load between
two or more Web Provider instaces?
I think that HTTPSession exists between
Parallel Page Engine (PPE) and
the Web Provider instance.
Is it correct?
If so, how can I achive load balancing of
Web Providers?

Ok, we tested successfully in our environment and here are the details:
Scenario:
1) One Management Server and two Publishing Servers
2) Publishing Servers are load balanced in F5 (VIP Address)
3) Publishing Servers use Custom App pool identity (Application Pools-->AppVPublishing)
4) App-V 5 Clients use the VIP address in the registry for Publishing Server name and URL
Steps on SQL Side:
1) Obtain the Object SID of the Custom App Pool Identity (ADSI Edit)
2) Login to SQL Server as Admin and launch SQL Mgmt Studio
3) Select App-V 5 DB and expand tables and select 'dbo.PublishingServers'
4) Right click the above table-->edit top 200 Rows'
5) Replace 'Sid' with the one obtained in Step 1
6) File-->Save All
App-V Mgmt Console and Clients
1) Add new packages
2) From any App-V client-->Sync Publishing Server
3) From any browser-->http://<VIP address>:889
4) Make sure all changes on Mgmt Console are reflecting on the Clients
Thanks to Greg who put us in right direction even though scenario is bit different. Also thanks to Chuck Timon from MS App-V team for testing with me.
Now going back to see if we can test this using DSR method on F5 which we tested successfully with App-V 4.6 SP1 earlier. If anyone tested DSR (F5) in App-V 5, please let me know.
Thanks
Raj Yarlagadda
I have - 2 publishing servers listed under this "edit top 200 rows" you want to modify the SID of the publishing
servers computer accounts to the Custom App Pool Identity's SID ? you can't have the same SID
listed for both?

Error while load balancing two servers

i have two Solaris servers running 9iAS R2 OC4j.
current patch level is 9.0.2.3
i'm trying to load balance the instances according
to the instructions in this document:
Oracle9i Application Server: mod_oc4j Technical Overview
all i should need to do is run the command:
dcmctl addOPMNLink <IP>:<PORT>
but when i do this i get this error:
ADMN-906026
i could not find any info on this error with searches of:
Google, Google Groups, Oracle MetaLink, Oracle OTN.
ideas? suggestions? anything?
thanks,
.rich

i just tried running a "dcmctl getError", and got this:
ADMN-906026
This Oracle9iAS instance is currently using a database repository to store configuration information. The OPMN link functionality is not supported when a database repository is being used. An Oracle9iAS cluster should be created to associate Oracle9iAS instances when using a repository.
the two OC4J instances in question are associated with an Infrastructure instance on their respective servers. do i need to de-couple the OC4J instances? or create a "cluster of one" instance?
.rich

How to load balance two link (resilient link)

How to load balance (if can) or failover two Fiber channel like as below?
interface GigabitEthernet0/1
switchport mode trunk
channel-group 1 mode active
channel-protocol lacp
interface GigabitEthernet0/2
switchport mode trunk
channel-group 1 mode active
channel-protocol lacp

Hi
You can use this "port-channel load-balance src-dst-ip", this will do a XOR on source & destination IP addresses and choose the interface G0/1 if the first bit of the result is 0 or the interface G0/2 if the first bit of the result is 1.
But you can check the path used with that command: "sh etherchannel 1 port-channel"
You can load balance with the mac-addresses too (it is the default mode I think)
http://www.cisco.com/warp/public/473/4.html
Rate if it helps.
MB

2950 load balancing two Windows 2003 servers

We just purchased two Windows 2003 servers that connect directly to a 2950. They have setup network load balancing on the servers. With this setup both of the servers have the same MAC address cloned to their NICS. This is obviously causing a problem with the ARP table on the 2950. I opened a TAC case, and they said it was a Microsoft problem. The vendor that installed the servers says it the switch. Has anybody ever done this?
Thanks

Hello,
I think you would speak about "MAC address table" and not "ARP table" for your 2950 switch. It's typically a trouble known by Microsoft and describe here :
http://support.microsoft.com/default.aspx?scid=kb;en-us;193602
Regards
Yves

Using CSM to load-balance two sites

Hi there,
I currently use CSS11500's at two of my sites and I'm able to use source-groups to achieve site load-balancing behind a single VIP. So basically I have a VIP that has servers in both the local site and remote site. Is something like this possible with the CSM? I suppose there's the nat server or nat client commands, but I'd like to be able to maintain original client IP address if possible, or at least maintain the original client IP for connections that stay local to the site.
Thanks,
Brandon

Hello Brandon-
It is not directly possible to pick and choose what servers are natted on the CSM like the CSS and ACE can do.
In the CSM, you configure nat under the serverfarm specifically.
Ex.
serverfarm Client_Nat_Example
nat server
nat client REMOTENAT
real 10.10.10.1
inservice
natpool REMOTENAT 172.16.35.5 172.16.35.5 netmask 255.255.255.0
If you were to devide up the traffic prior to hitting a serverfarm (maybe use a policy that matches specific subnets for your clients), then you could nat to only certain servers.
Ex.
access-list 2 permit 5.5.0.0 0.0.255.255
serverfarm Client-Nat-Example
nat server
nat client REMOTENAT
real 10.10.10.1
inservice
serverfarm No_Nat
nat server
no nat client
real 20.20.20.1
inservice
natpool REMOTENAT 172.16.35.5 172.16.35.5 netmask 255.255.255.0
policy client_remote
serverfarm Client_Nat_Example
client-group 2
vserver HTTP
virtual 172.16.35.7 tcp www
slb-policy client_remote
serverfarm No_Nat
persistent rebalance
inservice
With this config, the CSM checks global access list 2, anything that matches a source of 5.5.x.x subnet would go to the serverfarm with the remote servers. Anything that does not match 5.5.x.x would use the default serverfarm under the vip (No_Nat serverfarm). This is not optimal, but there is no parity between CSM and CSS when it comes to per-server NAT.

ACE Load balancing with different source IP

Dear All ,
I am very much new to ACE . We are deploying it on our enterprise infrastructure (10.x.x.x/8) . I have a setup like this, we have 5 Proxy server which is supporting for our enteprise internet needs . Load balancing to this 5 blue coat proxy server is done via ACE module .
My customer is having special requirement based on specfic source subnet , ACE need to redirect the that specific source subnet to a particular proxy server . Is this possible in ACE ?? or we need to have separate Virtual server group for that specific source subnet range . kindly correct me if am worng on my understanding .
Thanks
Santhoshkumar Saravanan

Hi Saravanan,
Please refer the following link :
http://www.cisco.com/en/US/docs/interfaces_modules/services_modules/ace/vA4_2_0/configuration/slb/guide/sticky.pdf
Look at section :
IP Address Stickiness Configuration Quick Start
For example :
8. (Optional) Configure static IP address sticky entries up to a maximum of
65535 static entries per context.
host1/Admin(config-sticky-ip)# static client source 192.168.12.15
destination 172.16.27.3 rserver SERVER1 2000
The above may fulfill your requirement.
regards,
Ajay Kumar

How to combine sql queries of two different data models of a single RDF

Hi All,
Greetings.
I am on a task to get the sql query of a seeded report(Accounting Rules Report) with RDF named RAXARL.rdf
The RDF consists of 3 data models which consist of a sql query each and they are running fine individually.But I want all those three to be combined in a single SQL Query so that I can use it running a report in apex.
Can anyone help me do this? I am able to find a solution for this.
Thanks in advance,
Bhaskar.

Hi Bhaskar,
To get the SQL behind the report, run it with the Enable Trace option enabled (disable it after you get it).
Octavio

Server Load-balancing Across Two Data centers on Layer 3

Hi,
I have a customer who would like to load balance two Microsoft Exchange 2010 CAS Servers which are residing across two data centers.
Which is the best solution for this? Cisco ACE or Cisco ACE GSS or both?

I would go with source natting the clients ip addresses, so that return traffic from the servers is routed correctly.
It saves you the trouble with maintaining PBR as well.
Source NAT can be done on the ACE, by applying the configuration to either the load balancing policy, or adding the configuration to the class-map entries in the multi-match policy.
Cheers,
Søren
Sent from Cisco Technical Support iPad App

Two isp load balancing on ACE(load balancer)

hi
I don't know much about load balancer(ACE).
Is this is possible to load balance two isp's on load balancer (ACE). If so, how i can do so , any configuration example, or cisco document.

Wrong forum, post in "Datacenter". You can move your posting with the Actions panel on the right.

Two isp load balancing on cisco ACE(load balancer)

I don't know much about load balancer(ACE).
Is this is possible to load balance two isp's on load balancer (ACE). If so, how i can do so , any configuration example, or cisco document.

Wrong forum, post in "Datacenter". You can move your posting with the Actions panel on the right.

Using a single CSS to load balance multiple services

Is it possible to use a single CSS to load balance 3 different services (server farm) ? That mean the CSS need to advertise 3 VIP
I'm thinking of two scenarios:
1 - configure the CSS to use 4 interfaces: 1 to public, 3 to private (each interface will plug-in to a different vlan/server farm)
2 - configure the CSS to use 2 interfaces: 1 to public, 1 to private (all 3 server farms are in the same vlan)
Will both scenarios work ?
Thanks
--Phillip.

Hi Phillip,
both scenarios will work. One CSS can certainly manage more than 3 services! You can even use just one VIP for all traffic, then just create the proper rules to send specific traffic to the corresponding service(s). No need for 3 VIPs.
Regards
-juerg

Load balancing issues?

Could someone help me with load balancing, current stats:
I have a limited understanding, but from what I can make out, we have a significant number of clients being denied association and load balancing to different AP's but then the candidate count suggests a significant number of clients that failed to load balance, presumably because there wasnt an AP available in range that wasn't busy?
Uptime is 27 days, client count can reach around 220 at busy times, 63 AP's in the building 1142's, 5508 controller. I am wondering if increasing the window size would offer a more robust solution, or will this just degrade user experience further?
I am having a number of issues with failed client association now, and devices just not being able to operate wirelessly at all
Client count reaching 25 on some AP's

I guess per radio per AP client count is more in your case, clients more than the threshold are being shown busy status ( code 17 ) by AP. Therefore, clients are unable to associate to that AP. When the number of retries are over , they are denied. I guess there are network holes as well ( no coverage b/w the cells of differenet APs ). You can increase the window count , however, it depends on the AP model finally ( max. no. of clients associated ).

Load Balancing Two Different Waas Models

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