How to load balance runbooks?

Hi,
Now I have successed to deploy an seccond Runbook Server in an test environment. But I have not fully understanding how the runbooks run on the primary vs standby. And I know that by default one Runbook Server can handle 50 runbooks, and how to scal out
runbooks?
How to load balance runbooks?
How to fail over runbooks?
/SaiTech

you can change how many concurrent runbooks are allowed to run on a single runbook server. 50 is just a default value.
you can assign a runbook to run on a specific runbook server (or more). this is the simplest way to load balance.
runbooks will failover automatically. do note that the runbook will start all over, hence you need to put in safeguards in your runbook. word of adwise is to keep runbooks small and chain them together. This makes them easier to recover.
Cheers,
Anders Spælling
Senior Consultant
Blog:
Twitter: LinkedIn:
Please remember to 'Propose as answer' if you find a reply helpful

Similar Messages

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

How the Load balancing happens in CPO

Hi All,
On what bases the process engine selects the process or request and how the load balancing happens.

Hi!
I am a little confused by the question (as it refers to "request"), but I am going to assume that you are asking how a High Availability Process Orchestrator environment with several servers chooses which processes running on which server.
The answer to that question is...
In general, processes to be executed are split equally between all servers. The only piece of data being taken into account during process instance assignment is the current load on the servers (as counted by the number of top-level processes, not counting child processes). For example, suppose that there are 3 servers in the environment, and server A is running 5 top-level processes, servers B & C are running 3 top-level processes. When new process is started (e.g. on a schedule or manually or triggered via an external event), it will be assigned to either server B or server C for execution, because servers B & C have less load. If under the same circumstances (A:5, B:3, C:3), there are 4 processes started at the same time. When the work is distributed, the total expected work 5+3+3=11 (existing work) and 4 (new work) will be distributed equally with, with servers B&C each getting 2 new processes.
This is a general load balancing algorithms used by the servers in HA environment to decide which server runs which process instance.
There are other factors that come into play, as some processes/activities can only run on server A or server B for technical limitations (e.g. SAP work against a particular SAP System can only be executed from one server in the environment). When those come into play, the work may end up distributed unevenly.
Note that available memory, CPU load, or disk space on servers are not directly taken into account during load distribution.

Question on how does load balancing work on Firewall Services Module (FWSM)

Hi everyone,
I have a question about the algorithm of load balancing on Firewall Services Module (FWSM).
I understand that the FWSM supports up to three equal cost routes on the same interface for load balancing.
Please see a lower simple figure.
outside inside
--- L3 SW --+
|
MHSRP +--- FWSM ----
|
--- L3 SW --+
I am going to configure the following default routes on FWSM point to each MHSRP VIP (192.168.13.29 and 192.168.13.30) for load balancing.
route outside_1 0.0.0.0 0.0.0.0 192.168.13.29 1
route outside_1 0.0.0.0 0.0.0.0 192.168.13.30 1　　　　　　
However I don't know how load balancing work on FWSM.
On FWSM, load balancing work based on
Per-Destination ?
Per-Source ?
Per-Packet ?
or
Other criteria ?
Your information would be greatly appreciated.
Best Regards,

Configuring "tunnel default gateway' on the concentrator allowed traffic to flow as desired through the FWSM.
FWSM is not capable of performing policy based routing, the additional static routes for the VPN load balancing caused half of the packets to be lost. As a result, it appears that the VPN concentrators will not be able to load balance.

How to load balance everything

Edit:
More up to date list is available on the wiki:
http://wiki.oracle.com/page/WCI+Load+Balancing
Its hard to find information related to deployment anymore, as there is no deployment guide for 10gR3 and a lot of information is scattered around in outdated blog posts. I'd like to keep a list of how to design every component for HA. I don't doubt that there are a lot of errors and things that need filled in so please reply with your additions and corrections.
h3. Types of load balancing referenced:
h4. external
refers to a hardware or software based load balancing handled outside Webcenter software
h4. MPPE
the 'massively parallel portlet engine' is the portal's ability to internally load balance web services that are configured with round robin DNS
h4. cold failover
I might have the terminology wrong, but I'm referring to when you have another instance of the product installed but disabled. The instance can be turned on in the event of an ourage of the primary component, but it is not automatically available.
h1. Portal
Load balanced with an external load balancer (sticky session enabled)
h3. References:
http://edocs.bea.com/alui/deployment/docs604/networking/c_loadbalancing.html
h1. API
h1. Publisher
Publisher is able to be load balanced by breaking it up into components: publisher admin, publisher redirect, published content
h2. Publisher admin
Cannot be load balanced, use cold failover
h2. Publisher redirector
MPPE (or external?)
h2. Published content
external
h3. References:
http://fsanglier.blogspot.com/2008/02/alui-publisher-increase-performance.html
h1. Collaboration
External / MPPE (with collab internal clustering)
(Although i'm currently having issues wtih this and someone reported that you can do without the collab internal clustering)
h3. Collab's API
When using the IDK to connect to collab, custom applications bypass the MPPE and communicate directly to the collab host, losing the benefit of the MPPE. In order to load balance in this situation, the collab host must use external load balancing. (is this true?)
h3. "Search" service (the collab one) (only applies to 4.5 or newer)
Install on same servers as collab?
http://download.oracle.com/docs/cd/E13158_01/alui/collaboration/docs103/install/install.htm#i1138897
h3. References:
http://edocs.bea.com/alui/deployment/docs604/networking/c_loadbalancing.html
recent collab outage related questions
h1. Document Repository
External
h1. (AD/LDAP) Identity Web Services
MPPE to the Web Services
External between Web Services and AD /LDAP servers (or use HOSTS files to point each ADAWS server to a differnet AD server?)
h1. Search
(grid search: 6.1 or newer)The portal can load balance search requests internally. Each search node has knowledge of other nodes, so only 1 node needs to be reported to the portal. When the portal starts up, the 1 search node that is registered with the portal MUST be available.
h1. Analytics
Analytics UI
(i'm not sure? i'm guessing anything would work here because the admin UI is pretty much read only on the database)
Analytics collector can be load balanced (as of 2.5)
http://download-llnw.oracle.com/docs/cd/E13158_01/alui/analytics/docs103/installALI/quickstart.html#wp1063387
h1. Automation
Load balancing for reduncancy is not possible. However, the work can be split up Automation servers are assigned to different folders. Don't assign 2 automation servers to the same folder, as they can compete for jobs. (?)
h1. Content Upload
(mppe / external)?
h1. ALUI Directory Service
h1. Remote Portlet Service
? (i'm gussing MPPE)
h1. Notification
? no idea
h1. What else am i missing?
Edited by: Joel Collins on Apr 27, 2009 6:52 AM

Here are few bits of info:
For load balancing for Analytics, that isn't officially supported yet for the UI and Administration components. It might work with sticky sessions from portal-to-analytics but that doesn't get you much. Improving the options there would be a good enhancement request.
For the collector, I think there are two important things to remember. Use broadcast mode. I've never actually seen it in unicast mode, but broadcast definitely works. Also, remember that this is all managed by Portal and Analytics - you don't use your own load balancer between Portal instances and the Analytics Collector instances.
Finally, ALUI Directory is not certified to be load balanced yet. On a separate note, ALUI Directory has a socket leak on Windows due to a bug in the version of Jrockit that ships with it. Upgrading the embedded application server for the ALUI/WCI installation to jrockit-R27.5.0-jdk1.5.0_14 will resolve it.

How to load-balance LotusNotes "Sametime" with CSS11500

I have 2 redundant CSS since a while, working fine. Recently I wanted to add load-balancing for the Chat service of LotusNotes Sametime. The problem is that the chat conversations are disconeected some how. On a first configuration, I didn't configure sticky mode on this content. Since then I added sticky mode "srcip" and a long sticky timeout (600 mn or 10 h.). But th eproblem is still the same. Can someone help ? Thank you. note : you'll find attached the configuration for the chat content.

Hi,
The CSS 11500 uses the ArrowPoint Content Aware (ACA) service to gather response time data for every flow for building statistical averages/variances for every service and content rule. The best servers are used, while the slow servers are pruned from the eligible list. This service also can manage persistent connections for e-commerce based on IP addresses (range), Secure Socket Layer (SSL) application IDs, and cookies.
As you are having only 2 servers for load-balance.
As your keepalive time is 30 sec which is quite high.
I suppose you should change your keepalive frequency 30 to
keepalive frequency 5
try this
as
using the default values of a 5-second keepalive frequency interval, a 5-second retry period interval, and maximum of three failures, a service can transition from the alive state to the dead state in 15 seconds; a 5-second interval between a keepalive response and the initial keepalive failure based on the keepalive frequency, and two failures, each occurring at 5-second intervals based on the retry period.

How to Load Balance Event Collection

Hi,
I got the Windows Event Forwarding working, but how can I load balance a huge number of souce computers to forwared their events to two or more servers in my domain?
Im Using Windows Server 2012R2 as my collectors and 2008R2 and after as my forwarders.
Thanks for your replies.

Hi DDerJoel,
Windows Event forwarding is a build-in functionality, easy to use. But it does not provide load balance function. System Center Operations Manager, as a full grown product,
provides more advanced enterprise monitoring solution.
Or you can refer the following related KB to optimize your log forwarding server.
Configure Advanced Subscription Settings
http://technet.microsoft.com/en-us/library/cc749167.aspx
I’m glad to be of help to you!
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]
Thanks for reply,
I already got to the page you provided above in my research and it helped me out a lot, but not enough I think.
I would highly appreciate if you find some time to help me get out of my confusion Here
Thanks in advance.
PS: Am I able to set up a email notification, if a question qot anwered? Thanks.

How does load-balancing with WebCache work - is there still a bottleneck?

Hello,
We're migrating an old Forms 6i app to 10.1.2.0.2 (apps servers = Redhat Linux), and are starting to consider using WebCache to loadbalance between two application servers.
My question is this - say we have apps servers A and B, both running Forms and Reports Services. We use Webcache on server A (don't have the luxury of a third apps server...) to load balance between A and B. So all initial requests come into A, which in some cases may then be diverted to start a new Forms session on B.
For those users whose middle-tier sessions are now running on B - will all network traffic for their Forms session continue to be routed through Webcache on A, then to B, over the course of the session? Or does Webcache somehow shunt the whole connection to be straight between the client PC and server B, for the duration of that Forms session?
If the former, does that mean that the server hosting Webcache can still be a significant bottleneck for network traffic? Have people found load-balancing with Webcache to be useful..?
Thanks in advance,
James

Hi gudnyc,
Thanks for posting on Adobe forums.
For HDPI you do not have to do any It will adjust automatically.
http://helpx.adobe.com/photoshop-elements/using/whats-new.html
Regards,
Sandeep

How to load balance Agents across multiple Oracle Management Servers?

Hi everyone
We have the 2 OMS servers in our OEM environment. We would like to set up our management agents to load balance over these 2 servers...Or if not load balance then at least set up the agents so they can access either/or OMS.
I've looked through the documentation and in google, but can't seem to find the answer.
Can someone point me towards the documentation please
Thanks
R

OMS is just an appserver with a repository. You can load balance the appservers with an F5. You can load balance the repository with RAC.
So ... your options for load balancing and resilience are :-
1. one agent on each server, multiple OMS appservers load balanced, one RAC database (with dataguard standby)
2. two agents per server, two appservers, two repositories.
Both architectures work. Option 1 offers the best load balancing and resilience.

How to load balance serving MP4 files via AMS

Hey gurus,
We have one centralized storage server that stores videos, Lets call this Server A, we have 4 more servers that we want to use to load the files from Server A to load balance and location balance the loading of files.
Servers B-E are on a private VLAN with Server A; so what we're doing now is mounting Server A on to Servers B-E and serving the files via AMS; this has proved to be quite inefficient.
For Live Streams; we use multi-point publishing to achieve this; is there a way to do this with recorded files?
Please advise!
Thanks

Here are few bits of info:
For load balancing for Analytics, that isn't officially supported yet for the UI and Administration components. It might work with sticky sessions from portal-to-analytics but that doesn't get you much. Improving the options there would be a good enhancement request.
For the collector, I think there are two important things to remember. Use broadcast mode. I've never actually seen it in unicast mode, but broadcast definitely works. Also, remember that this is all managed by Portal and Analytics - you don't use your own load balancer between Portal instances and the Analytics Collector instances.
Finally, ALUI Directory is not certified to be load balanced yet. On a separate note, ALUI Directory has a socket leak on Windows due to a bug in the version of Jrockit that ships with it. Upgrading the embedded application server for the ALUI/WCI installation to jrockit-R27.5.0-jdk1.5.0_14 will resolve it.

HOW WISM LOAD BALANCING WORKS ?

We currently have a campus with 4 WISM on 4 6509 .
After a reload of one of these WISM, all the AP ( AIR-AP1231 ) disappear from this WISM :
(WiSM-slot1-2) >show ap summary
Number of APs.................................... 1
Before the reload this WISM has 80 AP .
The other 79 AP are now registered with another WISM .
Is this normal or ( load balancing ) or what ?
Any help is apreciated

You have to check the primary/secondary/tertiary settings on the WLC, but for each access point. Go to the Wireless tab and click on an access point for this setting.
AP Fallback mode is on the WLC under the Controller tab. It forces an access point to join its primary controller if possible. If it's disabled, the access point will be happy to stay on a non-primary controller until it reboots. If it's enabled, then as soon as its primary becomes available (either because it comes up or because you specify a new primary), it will join that controller.
AP Fallback is convenient for load-balancing, but it can cause significant downtime if a controller goes down and comes back up immediately. All your APs will fail over to another controller at the initial drop, but they'll all switch back over once the original controller comes back. Each time will cause clients to drop. If a controller starts flapping for any reason, your wireless network will be seriously disrupted. Of course, if you leave it disabled and a controller goes down, all access points will hop over to their secondary controller and never go back. This isn't so bad, though, because you can just manually set it for AP fallback at a convenient time, let them all switch back, and then disable fallback again.
If you do not active AP fallback mode, be sure to reset each AP after you give it a primary/secondary/tertiary controller. Otherwise it will sit tight on the current controller.
Also, make sure that the Master Controller mode is disabled. This forces all access points to join it if you have no primary controller listed. It's under the Controller tab, under Advanced.

How Load Balance works in RAC?

Hi All,
I have a 2-node 10gR2 RAC on RHEL4. One of our web based application is connecting to the RAC database. Today, while starting up the application, one of our node(node1) was down and all the connections from the app are connected to the DB using other node(node2). There were around 120 connection from application. Again, i brought back the node1 but still, the connections were on node2 and no connection on node1.
My doubt is, how the load balancing works in RAC? is there limit like after some number of connections, it will load balance to other node?
Thanks,
Praveen.

If all the connections go to node 2 cause node 1 is down, then, when node 1 comes back, those connections already established on node 2 will remain on node 2. There is no mechanism to migrate existing connections. However, over time, as more connections come in, they should go to node 1. Over time, the load should balance out. But, the only way to immediately rebalance would be to force existing connections to recycle their connection.
If one node is capable of handling the load, I wouldn't worry about it....over time, things will balance out.
-Mark

2 App servers in farm will be auto failover and load balanced?

Dear all,
We are going to setup following SharePoint farm:
2 WFE
2 APP
2 OWA
2 SQL with shared NAS
We will have hardware load balance in front of 2 WFE. From my understanding, the 2 WFE will detect which APP server is available and send the request there.
Hence, if APP1 is down, all traffic come from both WFE will be directed to APP2.
But I am not so sure about the part about load balance. If all the 8 server instance are working properly, the new request come from WFE2 will be sent to APP1 or APP2? Or it depends on which service application is asking?
In addition, we planned to run all search components on APP servers. But the 2 APP servers are both 16GB memory which is lower than suggested specification. I am considering whether I can assign all the search workload on APP2 while all the other on
APP1.
Thanks.
Mark

Here is a good artcicle on how SharePoint load balances service applications:
http://blogs.msdn.com/b/dtaylor/archive/2011/02/23/sharepoint-2010-service-application-load-balancer.aspx
Yes you can create APP02 as search server but then service apps will not be redundant , so it would be better to run all the service apps on both the servers and if you see any memory issues, then scale it later.
As per
http://technet.microsoft.com/en-us/library/651dba4d-8751-4bd8-9492-f2842b2e1177(v=office.15)#HW_Enterprise , 16 GB is recommended for application server so i think you should be okay unless there is very high load .
Amrita Talreja

Load balancing host named site collection

I am jumping into the realm of host named site collection. While the learning experience has been good, still there are some questions unanswered. Please bare patience since my questions are long.
- I have a non host header site on port 80 that has https certificate added to IIS for supporting app store in https mode.
- I tried to created the host name site collection using https in this default port 80 non host header web application and was greeted with error. Then i extended the web app to different zone with port 443 . Then created the host header site collection
with https with web application name for extended 443 one. Creation went in fine.
- I tired to use IPs on now extended IIS site and bind certificates on that one. The site does not load. I do the same again in the default zone iss site, bind ips on that one and site loads. Now question is even though host header site collection was created
using extended web application url , why binding had to be done on default zone IIS site?
- Second test, i changed the authentication mode for extended, no effect on host named site collection but as soon as i changed it in default zone it reflected in host named site collection. I am confused why it needs extended zone url to create the https
site but every change done in default zone is getting reflected on this host named site collection.
Now for load balancing , it works fine with IP? But how to load balance these host named site collection using url. I talked with f5 team and they said i need to send some reply query string from each site. Where do i do that? Or is it even needed?
Accoring to this link : https://devcentral.f5.com/articles/name-based-virtual-hosting-with-ltm
. If the site hosts an application, though, the monitor should request a dynamic page on each webserver which forces a transaction with the application to verify its health and returns a specific phrase upon success.
For application monitoring, the recommended best practice is to create such a script specific to your application, configure the monitor Send string to call that script, and set the Receive string to match that phrase.
Has any one done this before? I tired to search for resource regarding this for iis or sharepoint but was not able to get anything.
Thank you for your patience for reading such a long question.
Adit

first part of question:
Default Web Appliction in port 80: Creating https host named site collection fails.
Extend default web application on port 443 : Https hostnamed site collection created when web application name is passed for extended web application on port 443. This means this site collection is associated with this extended web application correct? But
all the changes made in IIS only reflect if it is made to port 80 web application. Also changing authentication scheme from Central Admin, only changes on default zone reflects on site collection not the one in extended web application? Why if the site
was only created on extended web application paremeter, changes on default are reflecting on it but not from extended.
Second part of question:
Each Hostnamed site collection when load balanced thorough f5 using IP for 3 WFE uses 3 IPs for each. This way we will run out of IPs pretty soon. I want to know if there is way to load balance these sites using Hostname or anyother paramenter through f5
and if any body has done it?
https://devcentral.f5.com/articles/name-based-virtual-hosting-with-ltm link talks about sending reply string
from application but i do not know where to set it up or how to do it? No resources in the net. Just asking if any one else has done it.
Adit

ASA 5520 VPN load balancing with Active/Standby failover on 2 devices only...

/* Style Definitions */
table.MsoNormalTable
{mso-style-name:"Table Normal";
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-qformat:yes;
mso-style-parent:"";
mso-padding-alt:0in 5.4pt 0in 5.4pt;
mso-para-margin-top:0in;
mso-para-margin-right:0in;
mso-para-margin-bottom:10.0pt;
mso-para-margin-left:0in;
line-height:115%;
mso-pagination:widow-orphan;
font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:"Times New Roman";
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;}
This topic has been beat to death, but I did not see a real answer. Here is configuration:
1) 2 x ASA 5520, running 8.2
2) Both ASA are in same outside and inside interface broadcast domains – common Ethernet on interfaces
3) Both ASA are running single context but are active/standby failovers of each other. There are no more ASA’s in the equation. Just these 2. NOTE: this is not a Active/Active failover configuration. This is simply a 1-context active/standby configuration.
4) I want to share VPN load among two devices and retain active/standby failover functionality. Can I use VPN load balancing feature?
This sounds trivial, but I cannot find a clear answer (without testing this); and many people are confusing the issue. Here are some examples of confusion. These do not apply to my scenario.
Active/Active failover is understood to mean only two ASA running multi-contexts. Context 1 is active on ASA1 Context 2 is active on ASA2. They are sharing failover information. Active/Active does not mean two independently configured ASA devices, which do not share failover communication, but do VPN load balancing. It is clear that this latter scenario will work and that both ASA are active, but they are not in the Active/Active configuration definition. Some people are calling VPN load balancing on two unique ASA’s “active/active”, but it is not
The other confusing thing I have seen is that VPN config guide for VPN load balancing mentions configuring separate IP address pools on the VPN devices, so that clients on ASA1 do not have IP address overlap with clients on ASA2. When you configure ip address pool on active ASA1, this gets replicated to standby ASA2. In other words, you cannot have two unique IP address pools on a ASA Active/Standby cluster. I guess I could draw addresses from external DHCP server, and then do some kind of routing. Perhaps this will work?
In any case, any experts out there that can answer question? TIA!

Wow, some good info posted here (both questions and some answers). I'm in a similar situation with a couple of vpn load-balanced pairs... my goal was to get active-standby failover up and running in each pair- then I ran into this thread and saw the first post about the unique IP addr pools (and obviously we can't have unique pools in an active-standby failover rig where the complete config is replicated). So it would seem that these two features are indeed mutually exclusive. Real nice initial post to call this out.
Now I'm wondering if the ASA could actually handle a single addr pool in an active-standby fo rig- *if* the code supported the exchange of addr pool status between the fo members (so they each would know what addrs have been farmed out from this single pool)? Can I get some feedback from folks on this? If this is viable, then I suppose we could submit a feature request to Cisco... not that this would necessarily be supported anytime soon, but it might be worth a try. And I'm also assuming we might need a vip on the inside int as well (not just on the outside), to properly flip the traffic on both sides if the failover occurs (note we're not currently doing this).
Finally, if a member fails in a std load-balanced vpn pair (w/o fo disabled), the remaining member must take over traffic hitting the vip addr (full time)... can someone tell me how this works? And when this pair is working normally (with both members up), do the two systems coordinate who owns the vip at any time to load-balance the traffic? Is this basically how their load-balancing scheme works?
Anyway, pretty cool thread... would really appreciate it if folks could give some feedback on some of the above.
Thanks much,
Mike

How to load balance runbooks?

Similar Messages

Maybe you are looking for